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MANUAL STEERING DATA AND SPECIFICATIONS

1. 2 1109 CHRYSLER SERVICE MANUAL 35 14 13579 ONIHSNS 1gASVD ONIHSNG 2 2 ONIY YOLOU ONIAdS 5 422 5 CHRYSLER SERVICE MANUAL STEERING 423 of their own accord equalize tire pressure and check front wheel alignment If conditions still exist it is an indication that the control valve is out of adjustment Remove parts as necessary to gain access to steering tube coupling Remove coupling retain ing screw lockwasher and plain washer from worm shaft Insert manual control valve cen tering tool slotted end first into worm shaft and engage tool with tang on control valve oper ating rod Two men are required to center the valve One man moves the valve as directed while another man checks the torque required to move the Pitman arm through its travel in both direc tions Move Pitman arm through travel from one extreme to the other with torque wrench Tool C 3005 and 1 inch socket observing the torque reading The torque should be the same in both directions Turn adjusting rod as re quired until an equal torque reading is obtained The Pitman arm retaining nuts should be tight ened to 120 foot pounds torque NOTE Where the gear shaft requires more than 40 foot pounds torque to rotate it and or where torque is unev
2. STEERING KNUCKLE ARM RIGHT TIE ROD END OUTER TIE ROD ENDS iINNER The worm is integral with the steering tube and is supported at each end by tapered roller bearings The worm bearing pre load is adjusted by means of shims placed between the housing and housing end cover The steering gear shaft rotates in two bronze bushings pressed into the steering gear housing The three tooth roller on the shaft is meshed with the worm When the steering wheel is turned the worm rotates the steering gear shaft and roller moving the Pitman arm which is splined to the end of the shaft and held in place with a nut Backlash between the steering gear shaft rol ler tooth and the worm is controlled by an ad justing screw that is threaded through the shaft and roller cover The base end of the adjusting screw engaged in a slot in the end of the steering gear shaft Correct backlash can be STEERING KNUCKLE ARM LEFT STEERING GEAR ARM 55x5 Fig 2 Idler Arm Type Steering Linkage 394 5 obtained by turning the adjusting screw in or out as required The steering wheel and Pitman arm are splined to the steering tube and steering gear shaft respectively Both the steering wheel and the Pitman arm have master serrations to in sure correct installation The high point is the point of least clearance between the worm and roller and is at the mid point of the worm and roller travel An oil se
3. Tr ee 1x14 50 Flow Divider Valve 14x12 50 314 Drain Tube amp x 24 1 to 34 Turn or 6 to 10 The number of turns specified is after initial finger tightening 392 STEERING CHRYSLER SERVICE MANUAL KNOB SWITCH LEVER BRACKET GROMMET JACKET INSULATOR LEVER WASHER WASHER SEAL PAD WASHER LOCKWASHER SPRING OIL SEAL BUSHINGS HOUSING WASHER CAGE AND ROLLERS TUBE AND WORM PLUG CAGE AND ROLLERS gt SHAFT SEAL Sy SCREW S WASHER SHIMS WASHER 5 GASKET 54 677 Fig 1 Steering Gear Exploded View CHRYSLER SERVICE MANUAL STEERING 393 Section X STEERING SEE FIG 1 1 LINKAGE The symmetrical idler arm type of steering as shown in Figure 2 is used on all models A cen ter link relays the motion from the Pitman arm to an idler arm at its opposite end The idler arm is mounted on a bracket attached to the frame Two equal length tie rods connect from the cen ter relay link to the steering knuckle arms Both tie rods are threaded for proper toe aligning adjustment 2 STEERING GEAR THREE TOOTH ROLLER AND WORM Mechanical A three tooth roller is mounted on needle roller bearings on a steel cross shaft inserted through the steering gear shaft
4. 4 Assemble gauge to right front wheel hub as shown in Figure 73 with quadrant par allel with wheel and pull out turntable lock pins 5 Grasp the front bumper at the center and move or bounce the front end of car up and down three or four times to allow the car to rest at normal unloaded position 6 With gauge on the right wheel turn front wheels to left until right wheel has turned more than 20 degrees as indicated on turn table scale Allow wheel to back off to exactly 20 degrees 7 Adjust secondary screw which controls short pointer Fig 74 until bubble is cen tered between the two lines on the spirit level Do not disturb gauge setting or release brakes IMPORTANT To relieve bind and friction or looseness in steering mechanism and for accurate gauge reading it is advisable to turn wheels slightly beyond 20 degrees and then back to exactly 20 degrees 436 STEERING CHRYSLER SERVICE MANUAL 54x248 Fig 74 Checking King Pin Inclination Right Wheel Tool C 3409 Gauge 8 With foot brakes still applied turn front wheels to the right until right wheel has been turned to an angle of more than 20 degrees past straight ahead position 9 Adjust primary screw Fig 74 which controls hair line until bubble centers in spirit level The reading on the 40 degree scale on gauge will be the king pin angle for the right wheel 10 To check king pin angle on left wheel place
5. c Steering gear adjusted too tightly steer ing gear and jacket assembly misaligned or binding in the linkage d Front wheels out of line e Steering column out of line Remedies a Check and correct tire pressure as re quired Refer to Wheels and Tires Section XIIT for correct tire pressure b Check level of lubricant and if found to be low add correct amount Refer to Lubrication Section XV Disconnect the Pitman arm at the steer ing gear shaft Turn the steering wheel to both extremes If binding is evident near the ends of travel the cause can usually be traced to either a misaligned steering gear assembly improperly adjusted gears or worn bearings If binding is evident in center position only the gear mesh adjustment is too tight The steering gear assembly can be correctly aligned as follows loosen the housing to frame bracket the frame bracket to frame bolts and the instrument panel bolts and realign assembly to frame and instrument panel There must be no misalignment at either the frame or in strument panel If the gears are improperly adjusted refer to Paragraph 8 If binding was evident before the Pitman arm was disconnected but disappeared after being disconnected check the steering linkage for dry or binding tie rod ends Lubricate or replace tie rod ends as necessary Also check for 005 to 010 inch clearance around king pin between knuckle and support For other possible condition
6. 2 13 in Working Length 1 20 in Force at Working 14 lbs 1 lbs Pressure Relief Valve Spring Free Length 1 51 in Working Length 1 18 in Force at Working Length 30 to 33 Ibs Front End Alignment Steering Gear Ratio 16 2 1 Piston Rod Snap Ring Gap Upper and Lower 2564 in SPECIAL TOOLS MANUAL STEERING GEAR Tool Number Tool Name 148 Puller Steering Arm C 328 Bushing King Pin Remover Bushing Eccentric Adjusting 8428 Puller Steering Wheel C2619 wes Sane cies Adjusting C6380 Reamer Pilot Bushing 388 STEERING CHRYSLER SERVICE MANUAL COAXIAL POWER STEERING GEAR Tool Number Tool Name C2160 Pliers Gear Snap Ring Straight Type 8102 Gauge Hydraulic Pump and Gear Checking 6281 06 See Pliers Gear Snap Ring Right Angle Wrench Adjustable Spanner 3108 Studs Pr Power Cylinder Cr S109 ce Spacer Aligning Unit In Chassis Puller Steering Gear Tube Coupling Adapters for 298 Puller C 3145 Covers C 3112 Parts and C 293 Parts Required To Pull Coupling CIlS 0455 Driver Steering G
7. Upper Piston Rod Pin PISTON PIN HOLES 53x821 Fig 33 Removing Upper Piston Rod shown in Figure 34 Make sure the oil passage is open Inspect the sealing surface on piston rod for being scored Remove the two small valve rod O rings from the bore of the upper piston rod one in each end Remove the large upper piston rod ring Remove lower piston rod O ring Inspect rack teeth and sealing surfaces on lower piston rod g Removal of Relief Valve Assembly Thread a inch 28NF bolt into threads pro vided in plug Fig 35 Clamp bolt head in a vise and by pulling on lower piston rod plug can be removed Should end plug be seized in rod a fiber hammer may be used to tap on retain ing flange of lower piston rod Inspect piston for nicks and burrs Make sure all oil passages are open and free from dirt UPPER PISTON ROD PISTON PIN ASSEMBLY WIRE HOOK 53x822 Fig 34 Removing Piston Pin from Upper Piston Rod CHRYSLER SERVICE MANUAL STEERING 413 RELIEF VALVE PLUG LOWER PISTON ROD 54x636 Fig 35 Removing Lower Piston Rod Relief Valve Plug h Disassembly of Steering Gear Housing Inspect steering gear shaft needle bearing in gear housing for broken or rough needles Do not remove bearing unless inspection reveals it is necessary to do so If it is necessary to re move needle bearings use puller Tool C 3333 to pull steering gear housing shaft needle bearings
8. are farther apart at the front than at the rear The design of the steering knuckle arm regu lates the amount of toe out depending on the wheelbase of the car and the distance between the steering knuckles To be in correct relative alignment when negotiating a turn both front and rear wheels must travel in circles having a common center The inside front wheel travels In a circle having a smaller arc than the circle traveling by the outside front wheel Therefore the wheels will be farther apart at the front than at the back when turned off the straight ahead position The amount the front wheels toe out on turns depends on how far the front wheels are turned A bent steering knuckle arm will cause exces sive tire wear even though the amount of toe in is correct for the straight ahead position of the front wheels because when the front wheels are turned to the right or left the error in toe out due to the bent steering knuckle arm would cause excessive scuffing between the tire and the road CHRYSLER SERVICE MANUAL STEERING 435 The instructions in this manual for checking front wheel alignment are based on use of Tool C 3409 gauge and DD 485 turntables There are many other types of checking equipment in use that accomplish the same purpose How ever the method of using the equipment may differ from the instructions in this manual Regardless of make or type of equipment used checking and adjusting should b
9. connector or connector guide rails binding in housing Replace parts as necessary c Poor Recovery of Wheels to Straight Ahead Position One Direction Only Make checks as outlined in previous item to eliminate the possibility of the difficulty being caused by the front suspension or steering link age parts After these possibilities have been eliminated and the condition still exists center the control valve until equal torque readings are obtained in each direction d Unequal Steering Effort Unequal steering effort may be mistaken for lack of assist in one direction To establish if such a condition exists check steering wheel turning effort as follows With engine idling and front wheels on floor turn steering wheel at a norma rate of r p m from one extreme to the other and note the amount of turning force required After this check turn the wheel in the 43Z2 STEERING same manner except at a higher rate of r p m Do not exceed approximately 60 steering wheel r p m when making this check If the turning force did increase considerably while turning the wheel at high rate of speed then the condi tion is Lack of Assist in One Direction If the amount of turning force did not increase then it is Unequal Steering Effort Proceed as fol lows to determine cause e Control Valve Adjustment Disconnect linkage and center control valve so that an equal amount of torque is required to turn the gea
10. from inside gear housing as shown in Figure 36 Using snap ring pliers remove gear housing cover snap ring tapered at bottom of housing Fig 36 Removing Steering Gear Housing Shaft Needle Bearing Tool C 3333 TOOL Fig 37 Removing Lower Piston Rod Seal Tool C 3331 Remove housing cover and remove ring from housing Use extreme care when removing the lower plug to prevent cocking A cocked plug is apt to result in a broken gear housing Remove lower piston rod seal lip type from housing as shown in Figure 37 The lower rod is supported by a half bushing The bushing is a friction fit over a dowel pin If it is necessary to replace the support bushing it may be pried from the dowel pin with a screwdriver 18 ASSEMBLY OF COAXIAL POWER STEERING GEAR a Assembly of Steering Gear Housing Place a new piston rod seal over driver so the lip will be facing up or to the inside of the cylin DRIVER PISTON ROD SEAL ALIGNING PILOT 54x639 Fig 38 Installing Lower Piston Rod Seal Tool C 3395 414 STEERING BUSHING Fig 39 Support Bushing Installed der when installed Insert seal aligning pilot of tool in end of driver and drive lower piston rod seal into position in gear housing as shown in Figure 38 Using driver Tool 8888 install housing shaft needle bearing assemblies in gear housing until bearings bottom in the bores if removed Always drive on letter si
11. steering gear assembly Therefore a spring 402 STEERING CHRYSLER SERVICE MANUAL OUT LOW PRESSURE OIL IN NEUTRAL POSITION THE OPENINGS BETWEEN THE VALVE AND VALVE BODY OFFER LITTLE FLOW RESTRICTION SO OIL PRESSURE IS LOW EQUAL PRESSURE ON BOTH PISTON FACES HOLDS PISTON STATIONARY LOW PRESSURE OIL SPOOL VALVE PISTON 53x859 Fig 13 Oil Flow Neutral Valve Position OUT LOW PRESSURE OIL WHEN THE VALVE 15 PULLED UP IT OFFERS FLOW RESTRICTION AT AND B OIL PRESSURE INCREASES GREATLY CREATING HYDRAU LIC FORCE ON PISTON AS PISTON MOVES ENTERS THE HIGH PRESSURE CYLINDER AND THE LOW PRESSURE CYLINDER 15 FORCED OUT RETURN PASSAGES IN HIGH PRESSURE OIL 7 7 53x860 Fig 14 Oil Flow Right Turn Valve Pulled Up CHRYSLER SERVICE MANUAL SO TEERING 403 loaded relief valve is provided at the top of the filter element When oil pressure in the filter builds up to about 5 to 7 psi this valve opens and permits oil to pass directly into the reser voir chamber The rotary oil pump is driven from the rear end of the generator armature shaft through a flexible coupling The single rotor in the pump draws oil from the reservoir and discharges it through the built in combination flow control valve and pressure relief valve to the valve in the power unit assembly In the power steering pump the flow control valve and pressure
12. threaded portion of tool over steering shaft and screw tightly into seal To do this install tool GEAR SHAFT THRUST WASHER WASHER ADJUSTING SCREW gt LOCK RING __4 54 631 Fig 24 Gear Shaft Adjusting Screw Assembly 54 623 PISTON AND ROD ASSEMBLY Fig 25 Removing Piston and Rod Assembly nut on steering gear shaft and force the threaded portion of tool into seal Install the two half collars to lock the tool together and install the half collar retaining ring Turn nut and pull seal out of housing as shown in Figure 23 Remove the tool Remove the lock nut from shaft adjusting screw Remove the three screws from cover Remove the steering gear shaft cover from housing by turning adjusting screw in Remove steering gear shaft assembly from gear housing by using a fiber hammer and tap ping lightly Align gear on gearshaft to clear opening in lower housing before attempting removal Removal of adjusting screw is not necessary unless screw is damaged Using Tool C 3229 remove adjusting screw retainer snap ring Remove adjusting screw thrust washer and washer from steering gear shaft as shown in Figure 24 Remove adjusting VALVE ROD ADJUSTING DISC VALVE ROD ADJUSTING DISC RETAINER 53x811 Fig 26 Removing Valve Rod Adjusting Disc CHRYSLER SERVICE MANUAL STEERING 411 UPPER PISTON NUT 53 812 Fig 27 Removing Upper Piston Rod Nut Too
13. 43345 907 CHRYSLER SERVICE MANUAL STEERING 407 to the steering resistance at the road This permits a desirable feel of the road with a minimum of driving effort It should be remembered that the process just described is instantaneous as far as the driver is concerned it has been broken into steps simply for explanation The driver controls the front wheels surely and accurately with his steering wheel If he stops turning piston movement will return the system to neutral as already explained If he keeps turning he maintains the relative move ment between valves and piston and the power system keeps operating During operation the driver always feels the road through the steering wheel The driver is helped by power assistance if road disturbances try to turn the front wheels off course When a driver holds the steering wheel fixed he actually is commanding the power system to hold the front wheels fixed regardless of the forces that try to turn them The power system complies by acting in reverse whenever road obstructions jar the wheels For example suppose the front wheel strikes a rut or chuck hole The wheel begins to deflect from its course The first slightest amount of off course deflection is transmitted through the steering linkage to the hydraulic piston The piston moves a fraction However because the driver is holding the steeri
14. and will have to be changed Worm housing can not be installed if bearing is installed on worm shaft prior to installing housing Install the three screws and concave washers draw down evenly and tighten from 25 to 30 foot pounds torque Lubricate worm outer bear ing roller with Lubriplate and install in bear ing cup Position race in bearing Slide thrust washer over worm and against outer bearing race and follow with worm bearing nut lock washer Turn worm shaft out until lower race seats in bearing Install worm housing bearing adjusting nut over shaft tapered end first Slide Tool C 3320 over worm shaft followed by Tool C 3310 Using Tool 8819 and a torque wrench turn the worm shaft counter clockwise to 20 foot pounds against the inner bearing Fig 53 While holding worm shaft against bearing at 20 foot pounds torque tighten the adjusting nut clockwise to 15 foot pounds as shown in Figure 54 using Tool C 3320 and another torque wrench gt _ TIGHTEN CLOCK WISE 54x643 Fig 54 Adjusting Worm Housing Bearings Outer Rotate the worm shaft several times in order to properly seat bearings Loosen adjusting nut and hold worm shaft at 5 foot pounds counter clockwise against inner bearing using Tool C 3319 and a torque wrench Retighten adjusting nut clockwise to 5 inch pounds as shown in Figure 55 Lock adjusting nut in position by bending tang of lockwasher to index with slot in the nut Only one
15. carries oil from the low pressure side of the piston to the oil reservoir The direction of oil flow which depends upon the direction of steering wheel rotation is such that hydraulic force is added to the driver s effort and is transmitted through the rack and sector gear to the steering gear arm Other components of the hydraulic system are a generator driven oil pump with pressure relief valve and flow control valve and a filter with the oil reservoir The flow control valve limits the oil flow to a predetermined maximum 114 gallons per minute and thus holds the horsepower required to drive the oil pump to a minimum a Power Steering Oil Pump Reservoir and Assembly The oil pump and reservoir assembly is mounted at the rear end of the generator A cartridge type filter element is located in the reservoir Oil from the steering gear assembly flows through an internal passage in the pump body through the full flow oil filter and into the reservoir chamber From the reservoir oil enters the oil pump intake Fig 12 The posi tion of the oil pump is adjustable to help main tain level fluid in reservoir when drive belt is adjusted A small diaphragm vent valve in the reser voir cover is forced open to provide a passage to the atmosphere if excessive pressure occurs in the reservoir With cold oil insufficient oil would pass through the filter to the reservoir and the oil pressure would build up in the line from the
16. different procedure for determining the correct position for the coupling The steering tube coupling must be installed with the slot in the coupling in the vertical SLOT COUPLING 54 x 732 Fig 57 Installing Coupling CHRYSLER SERVICE MANUAL STEERING 421 plane as shown in Figure 57 There are no mas ter serrations on either the worm shaft or the coupling A mark is scribed on the coupling This mark should be set at 12 o clock when the steering worm shaft is at center so that the steering tube master serration will be in posi tion to allow for proper installation of steering wheel Unequal Width Teeth Gear Shatt Before Type Gear Shaft Check the steering for being properly centered by turning the coupling in each direction from the center Pitman arm backlash should become evident at equal distances in both directions when turning from center It may be necessary to reposition the coupling to obtain equal travel in both directions in which case it will be neces sary to readjust Pitman arm backlash Equal Width Teeth Gear Shafts After Type Gear Shaft new gear shaft entered production in the Power Steering Units This new shaft has an equal width center tooth and requires a different adjustment procedure than the adjustment used on gears built with the unequal center tooth The letter is stenciled on the steering arm end of the new shaft for positive identification Center th
17. oil that is being forced through the system by the oil pump Because the pump is a positive displace ment type the oil must keep moving As the oil piles up behind the restrictions its pressure increases tremendously squeezing oil through the narrow spaces at a very fast rate Often the restrictions may close completely giving operating pressure at the fastest possible rate The maximum pressure build up is limited to 800 psi by a pressure relief valve in the pump assembly The high oil pressure is directed to the lower end of the cylinder for this case through the passages indicated in Figure 14 However the opposite end of the cylinder is open to the CONNECTOR NUT UPPER PISTON ROD _ VENT TUBE VALVE OPERATING ROD VALVE CONTROL SPACER SEAL SEAL RETAINERS VALVE CONTROL SPACER CHRYSLER SERVICE MANUAL return line Therefore a difference in pressure exists in each end of the cylinder and the piston moves Oil trapped in the lower pressure cylin der is forced through the return passages as the piston moves up By careful design all of these elements have been combined into two compact units which are connected by a pair of flexible hoses The power unit contains the power piston spool valve and hydraulic reaction chamber The supply unit incorporates the reservoir and the oil pump with its valves If the driver stops turning the steering wheel and holds it in a fixed position the front wheel
18. relief valve are combined in a single assembly as shown in Figure 12 The spring loaded pressure relief valve is concentric with and fits inside the spring loaded flow con trol valve When the pressure relief valve is closed it seats against a snap ring in the flow control valve An orifice in the pressure relief valve provides the oil pressure drop that con trols the operation of the flow control valve When the oil flow from the pump tends to rise above 115 gallons per minute the difference in pressure across the orifice overcomes the spring load and the flow control valve moves to un cover a passage to the intake side of the pump By preventing excessive oil flow the flow con trol valve limits the pressure drop through the hydraulic system and thus limits the horse power required to drive the pump Oil flow of the pump when the engine is idling is about 114 gallons per minute Oil pressure in the hydraulic system builds up to that required to overcome the resistance to turning of the road wheels In other words straight ahead highway steering requires a rel atively low oil pressure while a higher vil pres sure is required when turning a corner A rapid build up of oil pressure tends to occur when the road wheels are turned against a curb or when the steering wheel is turned all the way in one direction so that the piston reaches the end of the stroke To prevent excessive oil pressure the pressure relief valve in the pump li
19. rod for scratches which could permit leakage by the seal and seal seat in the gear housing for nicks burrs etc which would keep the seal from seating properly Install new seal 430 STEERING d Hissing Noise Accompanied by Loss of Oil Through Vent inthe Upper Housing Left Turn Only This may be caused by oil leakage by the upper piston rod housing head oil seal Disassemble and inspect for damaged housing head upper piston rod oil seal seal not seating properly in the housing head upper piston rod for scratches which could permit leakage by the seal and seat seal in the housing head for nicks burrs etc which would prevent the seal from seating properly Replace seal e Creaking Noise On Turns This noise may be detected while turning in either direction and can be caused by loose gear to frame mounting bolts Tighten bolts and recheck for noise If the noise continues install the latest type of new gear shaft Shaft can be installed without removal of the unit f Snapping Noise This noise is usually intermittent and can be produced when the direction of the steering wheel is suddenly reversed Inspect for loose steering gear to frame bolts Tighten and recheck for noise If the noise still exists check front suspension for springs not being properly seated camber adjusting bushing set screw being loose center link and tie rod joints for alignment brake supports and spacer washer on brake shoe ancho
20. sure king pin inclination and camber angle are correct Refer to Paragraphs 21 through 23 King Pin Inclination and Cam ber 2 With gauge on right wheel as shown in Figure 76 turn front wheels to left until right wheel has turned beyond 20 degrees as indicated on turntable scale Allow wheels to back off to exactly 20 degrees for 54x249 Fig 75 Checking Camber Tool 3409 CHRYSLER SERVICE MANUAL SECONDARY SCREW 3 4 5 6 7 8 9 PRIMARY SCREW pe EN gt 54x250 Fig 76 Checking Caster 3409 accuracy and to relieve possible bind in steering mechanism Adjust secondary screw until bubble is centered between two lines on spirit level Do not disturb this gauge setting Turn front wheels to right until right wheel has turned to an angle of more than 20 degrees past straight ahead position Allow wheels to back off to exactly 20 degrees Adjust primary screw until bubble centers in spirit level The reading on 40 degree scale will be the caster Reading from zero away from wheel indicates negative re verse caster Readings from zero toward the wheel indicate positive caster To check amount of caster in left wheel place wheels in straight ahead position and attach gauge to left wheel Then turn wheel to right until left wheel has turned beyond 20 degrees as indicated on turn table scale Back off to exactly 20 degrees Adjust secondary screw un
21. to column jacket interference Steering column jacket bearing Remove steering wheel jacket shroud assembly and steering tube Recheck torque and if reading is 40 foot pounds or below replace the bearing and position as outlined in preceding item If STEERING 431 reading is not below 40 foot pounds proceed with next item Gear shaft adjustment too tight Adjust gear shaft If condition still exists and the torque reading increases considerably when passing through the center of gear travel it is possibly due to excessive chamfer on the center tooth of the gear shaft This condition does not apply to units incorporating the equal tooth gear shaft identified by absence of chamfer Units built with the equal tooth can be identified by an O stenciled on the end of the steering gear shaft or cross shaft Remove gear shaft from unit and check for excessive chamfer on the center tooth of gear shaft It is not necessary to remove unit from car The width of the chamfer flat on the center tooth should not exceed 6 inch If it does replace shaft If torque reading still remains above 40 foot pounds remove the unit and proceed with checking Worm bearing pre load too tight Place unit in holding fixture connect test hoses and refill reservoir Remove worm shaft oil seal Start engine and check torque after readjusting worm bearing pre load If torque is still too high it may be caused by worm shaft binding in the
22. with Lubriplate If the rack is not positioned properly when it is installed it may be cor rected by rotating the lower piston rod with a screwdriver through opening in end of gear housing Remove ring compressing tool and other tool from teeth of rack through opening in gear housing j OIL SEAL 54 647 Fig 51 Installing Gear Shaft Oil Seal Tool C 3350 Installing Gear Shaft Install thrust button on gear shaft adjusting screw and position tool over thread of screw Lubricate gear shaft adjusting screw O ring with Lubriplate and slide over tool and into position on adjusting screw as shown in Figure 49 Remove tool and insert adjusting screw thrust button into gear end of steering gear shaft Insert adjusting screw assembly into gear shaft and lock in position by installing in ternal snap ring Use pliers Tool C 3229 and make sure snap ring is properly seated Screw the shaft adjusting screw with gear attached into the gear shaft cover assembly as far as possible Position center groove third from Fig 52 Removing Sleeve Part of Tool C 3350 with Friction Tape 418 STEERING either end of the rack over center line of the gear shaft cover opening in gear housing Posi tion the middle tooth of the gear shaft with the third tooth groove from either end of rack Insert gear shaft assembly with cover attached into gear housing and tap lightly into position as shown in Figure 50 I
23. 0 Driver Shaft Oil Seal Installing CeO 200 Driver Shaft Bushing Installing 8284 Adapter For using 8214 Puller 8250 Pliers Hose Clamp Driver Main Bearing Installing 8809 Gauge Oil Pump pressure checking Driver Worm Housing Oil Seal C 338 18 aes Hose Low Pressure P S Test W adapters 8819 Nut Worm Shaft Holding 8820 Wrench Worm Shaft Bearing Adjusting Nut 67882 1 Wrench Worm Connector Holding Remover and Installer Worm Housing Bearing Cups 9828 Fixture Gear Assembly Holding 2 0826 5 Spanner Upper Piston Rod Nut 8829 Thimble Valve Control Spacer Seal Installing 8881_ Driver Housing Head and Gear Housing Seal 8888 Driver Remove and Install Gear Shaft Bearing C 3344 SP 2604 Installer Piston and Ring Assembly C3350 Remover and Installer Gear Shaft Oil Seal Cools Protector Lower Piston Rod Seal 8892 Wedge Coupling Removing Not Required If C 3112 Is Available 8898 Remover and Installer Gear Shift Rod Bushings 8899 Tool Shifter Dial Bulb Removing and Installing 8401 Thimble Gearshift Adjus
24. 386 STEERING CHRYSLER SERVICE MANUAL MANUAL STEERING DATA AND SPECIFICATIONS MODELS C 67 C 68 C 69 C 70 King Pin Diameter 1958 in King Pin Bushings Manual Steering 5 Gee ie oe Needle Type Bearing LOWEN ak Cab He Oe ele oe eee Bushing ean Floating Bushing Lower Floating Bushing Dimensions of Lower Bushings Inside Diameter 787 to 789 in Outside Diameter 823 to 825 in sew ee 1 195 to 1 205 in Ream After Installation 7960 to 7975 in COAXIAL POWER STEERING MODELS C 67 C 68 C 69 C 70 Fluid Capacity of Hydraulic System 2 qts Fluid Capacity of Worm Housing 1 pt Type or mee bit Automatic Transmission Fluid Type A Maximum Pump Pressure 750 to 800 psi Maximum Fluid Flow at 3 000 R P M 2 gal Minimum Maximum Pump Rotor Clearances Between Rotor 008 in Between Outer Rotor and Bushing 006 in CHRYSLER SERVICE MANUAL STEERING 387 COAXIAL POWER STEERING Cont d End Clearance Between Rotors and Face of Body ates eta Sea Gin 001 to 002 in Flow Control Valve Spring Free wee a
25. ANUAL Pe m TURNTABLES 5 Fig 79 Toe Out on Turns Tool 00 435 control arm Keep the steering knuckle support as nearly centered between the ends of the upper control arm as possible Adjust to speci fications in Data and Specifications and tighten the lock screw NOTE If correct wheel camber cannot be adjusted within specified limits the use of spacer shims at the top of spring will correct this condition Each spacer shim represents an increase of ap proximately 1 degree with the maximum of 2 spacer shims to be used 43 ADJUSTING TOE With the steering wheel in its center position lengthen or shorten tie rods an equal amount until toe of 0 to 6 inch 0 inch preferred is obtained CAUTION The steering wheel hub the steering gear arm the steering tube and the steering gear roller shaft are machined with master serrations to place the wheels straight ahead when the steer ing wheel is in its center position No attempt should be made to change the relative position of these parts by altering the master serrations Improper positioning of the steering wheel should be corrected only by adjusting the tie rods 44 TOE OUT ON TURNS Assuming that camber caster king pin inclina tion and toe in are correct and that the steering arms are not bent toe out on turns will be with in the specified tolerance There is no adjust ment to be made Fig 79 CHRYSLER SERVICE MANUAL
26. C 3392 to gear housing screws and concave washers and remove worm housing It may be necessary to tap housing lightly due to interference fit with O ring seal between housing head and housing The concave side of the washers fit against housing Use care to avoid dropping the inner bearing during this operation Remove lower bearing roller from housing Inspect bear ing roller and the upper and lower bearing cups in housing Do not remove bearing cups unless inspection reveals it is necessary To remove upper and lower bearing cups use Tool C 3322 as shown in Figure 20 c Removal of Worm Connector Remove housing head ring Unlock worm connector nut lock and slide lock back sufficient ly to loosen worm connector nut With Tool C 3321 attach to worm connector remove con nector nut as shown in Figure 21 It may be necessary to rotate steering gear shaft by installing Pitman arm to raise worm connector in order to permit installation of Tool C 3326 Slide worm connector assembly from valve con trol spacer d Disassembly of Worm Connector Assembly Disassembly of the worm connector and worm shaft assembly is not recommended unless dam aged or worn CAUTION Caution should be exercised not to bottom the worm shaft in the outward direction upon dis assembly or assembly Bottoming the worm shaft may damage the ball guides and cause a tight and rough operating worm ets yn WORM SHAFT STATIO
27. Loosen steering column jacket clamp screws and raise front of car Disengage drag link from Pitman arm and pull Pitman arm with Tool C 3402 Loosen three gear housing to frame attaching bolts Remove floor mat retain ing plate and rubber dust pad Disconnect pres sure and return hoses and drain gear assembly by slowly rotating steering wheel until all oil is expelled from unit Fasten disconnected ends of hoses above oil level in reservoir to prevent further loss of oil and cap the ends to prevent any foreign matter from entering Remove gear housing to frame attaching bolts and alignment wedge Remove gear assembly from lower side of car 17 DISASSEMBLING THE COAXIAL POWER STEERING UNIT Fig 17 a Precautions to Follow During Disassembly and Assembly Cleanliness throughout the entire disassembly and assembly operations is absolutely essential The unit should be thoroughly cleaned in a suit able solvent when removed from vehicle When disassembling each part should be placed in the solvent washed and dried by compressed air Careful handling of parts must be exer cised to avoid nicks and burrs Crocus cloth may be used to remove small nicks or burrs pro vided it is used carefully When used on valve 408 STEERING CHRYSLER SERVICE MANUAL spool use extreme care not to round off the sharp edge portion The sharp edge portion is vitally important to this type of valve since it helps to prevent d
28. NARY 54x626 Fig 19 Removing or Installing Bearing Adjusting Nut CHRYSLER SERVICE MANUAL STEERING 409 _ REMOVING INNER BEARING CUP INSTALLING INNER BEARING CUP 53x805 Fig 20 Removing or Installing Upper and Lower Bearing Cups Tool C 3322 Remove the worm connector ball guide clamp balls are a select fit with each other If any of screws and lockwashers Remove guide clamp as shown in Figure 22 Using to avoid losing any of the worm balls carefully remove the ball guide from the worm connector Worm installed them are damaged and require replacing it is recommended that a complete set 40 be TOOL WORM CONNECTOR WORM CONNECTOR NUT WORM CONNECTOR CONNECTOR NUT LOCK 54x628 54x629 Fig 21 Removing or Installing Worm Connector Nut Fig 22 Guide and Guide Clamp 410 STEERING CHRYSLER SERVICE MANUAL 54x63 Fig 23 Removing Gear Shaft Oil Seal Tool C 3350 Turn worm connector assembly over and carefully thread the remaining worm balls out of the worm connector by turning the worm in and out Count the worm balls which were removed There should be a total of 40 balls Remove worm from connector Slide connector nut lock from connector Inspect guide rails on connector for nicks and burrs e Removal of Piston and Rods from Gear Housing To remove the steering gear shaft oil seal remove lock ring and proceed as follows Slide
29. S Before checking toe out wheel alignment on turns Fig 79 all other factors of front wheel alignment should be checked in their proper sequence namely king pin inclination caster camber and toe in Check amount of toe out on turns as follows FRONT MARK TIRES HERE Fig 77 Front Wheel Toe In 438 STEERING E 2 19 608 Fig 78 Camber Angle Adjustment 1 Lock screw 2 Upper control arm pin eccentric bushing 3 Steering knuckle support 4 Tool C 611 Tool C 619 for 8 Pass Sedan 1 Turn front wheels to left until turntable under right wheel registers 20 degrees 2 Take reading of turntable under left wheel With right wheel set at 20 degrees angle the angle of left wheel should be 2114 de grees plus or minus 1 degree 3 Repeat foregoing operations but turn the wheels to right until turntable under left wheel registers 20 degrees Under this condition the angle of right wheel should be 2114 degrees plus or minus 1 degree ADJUSTING FRONT WHEEL ALIGNMENT 42 ADJUSTING CASTER AND CAMBER Correct caster angle is obtained by proper ad justments of the upper control arm eccentric bushing To adjust the camber loosen the lock screw as shown in Figure 78 Turn the bushing to obtain the correct setting within 14 revolu tion from the point where correct caster setting is obtained Do not turn the eccentric bushing until it binds against either side of the upper CHRYSLER SERVICE M
30. STEERING 439 SERVICE DIAGNOSIS Manual Steering 45 EXCESSIVE PLAY OR LOOSENESS IN THE STEERING WHEEL Possible Causes a Steering gear adjusted too loosely or badly worn b Steering linkage loose or worn King pins and bushings loose and worn d Front wheel bearings improperly adjusted e Pitman arm loose on steering gear shaft f Steering gear housing attaching bolts loose g Steering arms loose at anchor bolts Remedies a If excessive play exists in the steering wheel without moving the Pitman arm refer to Steering Gear Adjustments Paragraph 8 Cor rect as necessary b Check the steering linkage ends for wear If any appreciable amount is evident replace with new end assemblies c Refer to Paragraph 14 for procedure checking and replacing king pins and bushings d Refer to Paragraph 12 for procedure checking and adjusting wheel bearings e Check for looseness between the Pitman arm and steering gear shaft while turning the steering wheel back and forth If looseness is evident inspect the serrations and correct as necessary f Rotate steering wheel and check the steer ing gear housing If movement is noted align the assembly and tighten attaching bolts se curely g Check steering gear arms for looseness and tighten to the specified torque 46 HARD STEERING Possible Causes a Low or uneven tire pressure b Insufficient lubricant in the steering gear housing
31. STING SCREW ADJUSTING SCREW LOCK PLATE LOCK PLATE NUT 54x46 Fig 3 Steering Gear Adjustments the idler assembly Screw the new idler arm into the bracket until the shoulder on the arm contacts the face of the bracket Turn arm out of bracket one complete turn It may be neces sary to rotate the arm slightly to line up the bracket for installing attaching bolts 11 REMOVAL AND INSTALLATION OF STEERING KNUCKLE TIE RODS Remove cotter pin and loosen nut on upper end of the rod ball With Tool C 3394 remove tie rod from steering arm Fig 4 Tie rod balls are not removable from tie rod ends replace ment of either is necessary the complete tie rod end and ball assembly should be replaced Loosen clamping bolt nut on the tie rod end Unscrew tie rod end assembly from tie rod When assembling tie rod ends to tube body be sure to thread the ends evenly on tube body to the nominal length listed in Data and Speci fications This is necessary to obtain proper posi tioning of the steering wheel with respect to the straight ahead position of the front wheels Care must be taken to make certain the clamp ing bolts are beneath the tie rods to prevent interference on turns 12 ADJUSTMENT OF FRONT WHEEL BEARINGS After removing the hub cap and the grease cap remove the cotter pin in the bearing adjusting nut at the outer end of the steering knuckle CHRYSLER SERVICE MANUAL So TEERING 297 Fig 4 Removin
32. al is installed in the bore of the steering gear housing at the outer end of the shaft to prevent oil leakage and to keep foreign material from entering the steering unit 3 REMOVAL OF STEERING WHEEL ASSEMBLY Disconnect battery and center the steering wheel in the straight ahead position Press down on the horn blowing ring ornament and turn counter clockwise Lift out ornament retaining spring and pad Disconnect horn wire from ter minal on travel plate and insulator assembly Remove bushing travel plate horn blowing con tact ring spring and triangular ground plate Curl and push horn wire into the steering gear tube to make room for steering wheel puller pilot Remove the steering wheel nut Attach puller and remove steering wheel 4 REMOVAL OF STEERING GEAR ASSEMBLY It is not necessary to remove the complete steer ing column and mast assembly from the car for servicing the gear chuck and worm shaft To remove the gear chuck and worm shaft assem bly proceed as follows Disconnect the battery press down on the horn ring ornament while ro tating it and remove ornament Remove steer ing column worm shaft nut Pull steering wheel with puller Loosen jacket bracket bolts at in strument panel Remove dust pad retaining screws Raise front of car and remove steering gear Pitman arm from gear shaft Loosen jacket to gear chuck clamp bolt Remove gear chuck to frame attaching bolts and work gear chuck and shaft assembly out o
33. alve control spacer assembly from upper piston rod as shown in Figure 28 Remove spacer seal retainers from spacer and slide seal assembly from valve control spacer Remove worm connector nut from upper pis ton rod Slide housing head off upper piston rod as shown in Figure 29 Remove housing head O ring Using a suitable drift remove upper piston rod seal lip type from housing head UPPER PISTON ROD SNAP RING PISTON PISTON RING STEEL Fig 30 Removing Piston Rings 412 STEERING CHRYSLER SERVICE MANUAL PISTON ASSEMBLY VALVE ASSEMBLY 53x819 Fig 31 Removing Valve Assembly from Piston Remove the two backup steel and D type neoprene piston rings from piston as shown in Figure 30 Part of the 1955 production does not use steel rings A new and wider type rubber ring is used instead Using snap ring pliers remove lower piston rod snap ring and slide lower piston rod from piston Using care not to bend the valve piston rod slide valve assembly from piston assembly as shown in Figure 31 Using a 14 inch punch drive piston pin into upper piston rod as shown in Figure 32 Using snap ring pliers remove upper piston rod snap ring Note the position and construction of snap ring Remove upper piston rod from piston as shown in Figure 33 Using a wire hook remove piston pin and O ring from piston rod as la INCH PUNCH 53 820 Fig 32
34. asking tape around worm Hold worm con nector with Tool C 3321 Using Tool 8326 tighten the nut Stake ring with punch and re move masking tape g Assembly of Worm Housing If bearing cups were removed from worm hous ing during disassembly refer to Figure 20 and proceed as follows Install worm housing upper bearing cup wide section of cup first into worm housing Make sure cup seats properly in housing Install worm housing lower bearing cup wide section of cup first into worm hous ing Make sure cup seats properly in housing h Installation of Worm Housing Lubricate worm housing inner bearing race with Lubriplate and slide wide section of cone first over threaded end of worm until it seats Lubricate worm connector guide rail with Lu briplate Lubriplate upper housing head ring with Lubriplate and install on housing head pilot opposite piston side Install O ring on inner land of housing head If it is installed CHRYSLER SERVICE MANUAL STEERING 419 ROTATE es COUNTER CLOCKWISE Fig 53 Adjusting Worm Housing Bearings Inner on outer land damage to housing will result when they are attached to each other Drop inner bearing into housing and hold in place Guide worm housing over rails on worm connector ball guide down until it is flush with gear housing If flanges cannot be installed flush the housing head O ring is in stalled on the outer rather than the inner land
35. ay out counter clockwise When the roller shaft assembly is completely installed with the ex ception of the Pitman arm adjust as follows Place the steering wheel on the tube and ro tate the wheel in either direction to the end of its travel Then rotate in the opposite direction to the end of travel while counting the turns Rotate the wheel back 14 the full number of turns This is the center of travel mid travel or high point Turn the adjusting screw in clock wise until all end play in the roller shaft dis appears Roll the wheel back and forth several times There should be no bind Rotate the wheel to one of the ends of travel and apply a spring scale or torque wrench With the pull applied at the rim of the wheel the tension should mea sure from 1 to 2 pounds Rotate the wheel back to the center and on past the center position The greatest tension should be felt as the wheel is rotated through the center position Adjust the bearing load by turning adjusting screw in or out of the cover as required Install lock plate nut and Pitman arm Fill the gear hous ing with SAE 90 Fluid Gear Lubricant Rotate the wheel back and forth through its full travel several times to be sure all parts are fully lu bricated and check for leaks 7 ADJUSTING WORM BEARINGS In Car Rotate steering wheel to extreme right or left and turn back 14 turn Press a finger at joint between bottom of steering wheel hub and shell Have anothe
36. by observing oil coming from the connector assembly Inspect for dam aged ring or not seating properly due to foreign material or roughness in the ring groove Inspect ring groove location in upper piston rod to determine if O ring can possibly come out of the groove when pressure is applied Install new ring making sure it is seated in the upper piston rod Inspect sealing surface on the valve rod for roughness or scratches which would damage the O ring Upper Piston Rod Seal Leaks from this seal will appear around the upper piston rod at the housing head Inspect for damaged seal or im proper seating in the housing head Examine seal seating surface in the housing head for nicks burrs etc and the sealing surface travel on upper piston rod for scratches Make sure new seal is seated in the housing head Porous Housing Head Inspect for oil seeping through pores in housing head Replace housin head if leaking Mating Surface Between the Upper and Lower Housings Leakage at the mating sur face may be caused by looseness of the three attaching screws which secure the two housings together Tighten to 30 foot pounds torque Leakage at this point may be caused by con tinuing to exert turning force on the steering wheel after the front wheels have reached their limit of travel and by accelerating the engine excessively It is possible to build up pump pressure in excess of 1 000 psi which will
37. cause the Power Steering Unit to flex at the point where the two housings are bolted togeth er Constant flexing at this point will eventu ally cause seepage at the ring This is an abnormal operating condition and should not be practiced If leakage is not caused by looseness of at taching bolts or abnormal operation remove the upper housing and inspect for improperly seated or damaged rings on the housing head especially the one located on the pressure side Also inspect ring seating surface on hous CHRYSLER SERVICE MANUAL ing head and gear housing for nicks or foreign material Install new O rings Make sure the upper O ring is installed properly on the housing head or damage to housings will result when bolts are tightened Lower Housing Cover Leakage at this point is usually caused by a damaged ring Replace O ring If leak continues it is possible that the cover is porous Be sure that the cover is installed correctly cupped portion of cover in or damage to the lower gear housing will result when the unit is operated Gear Shaft Oil Seal Inspect damaged seal Make sure seal and snap ring are seated properly Gear Shaft Cover The following points of leakage may be encountered at the gear shaft cover All of these may be corrected without removing the unit from the car Leaks Between The Gear Shaft Cover and Housing This condition may be ca
38. de of bearing Other wise damage to bearing may result Install pis ton rod support bushing in housing making sure bushing is properly seated over dowel as shown in Figure 39 if previously removed b Assembly of Piston and Rods Insert relief valve spring followed by plunger into valve body and insert assembly milled end first into lower piston rod Press end plug into lower piston rod sufficiently to seat against the relief valve body RING 53 830 40 Installing Valve Rod Ring CHRYSLER SERVICE MANUAL PISTON VALVE AND VALVE ROD 53 831 Fig 41 Valve Assembly NOTE A suitable adaptor will be required to press end plug into place Otherwise damage to rod will result If plug is not pressed in far enough to properly seat against the valve body it will pro duce a rattling or clattering sound when hy draulic pressure is applied If the plug is pressed in too tightly it will cause the relief ports in the valve body to collapse restricting the plunger and creating high back pressure resulting in lack of steering assistance and a hissing noise Remove all burrs from around the end plug Lubricate the two valve rod O rings with Lubriplate and install one in each end of upper piston rod as shown in Figure 40 Make sure rings are seated properly Lubricate the two large O rings with Lubriplate and install one on each upper and lower piston rod Make sure t
39. disc slightly to cause the threads of the disc to bind on rod The maximum torque re quired to turn disc on rod should not exceed 20 inch pounds maximum Place lock sleeve on worm connector tang of sleeve toward threaded end CHRYSLER SERVICE MANUAL STEERING 417 Fig 50 Positioning Rack For Timing Lubricate the two D type neoprene pis ton rings with Lubriplate and install on piston To aid in installation of rings first slide rings over ring lands and to center of piston with lips facing away from each other Slide rings into position in ring lands as shown in Figure 47 Install back up steel rings one on each end of the piston Part of production does not use steel rings Wider rubber rings are used instead c Installation of Piston and Rod Assembly in Gear Housing Lubricate lower piston rod teeth of rack and tool with Lubriplate and position tool in teeth of rack Lubricate large rings with Lubri plate and install on the side of housing head that faces piston assembly Place ring compressing tool on gear housing Position piston and rod assembly so the teeth on rack are 180 degrees from bushing support and install into gear housing as shown in Fig ure 48 Use extreme care when performing this operation so as not to damage gear housing oil seal or piston rings Do not use a screwdriver to compress piston rings To further aid in in stallation piston and cylinder may be lubricated
40. e a punch into upper steering knuckle welch plug and pry it out of steering knuckle Drive king pin downward forcing out lower welch plug A soft brass drift should be used when driving against top of king pin Remove steering knuckle upper needle bearing or bush ing by pulling it toward center knuckle using special tool as shown in Figure 7 Remove steer ing knuckle lower bushing If bushing is of the stationary type use special tool to remove it The upper needle bearing must be installed from top of steering knuckle with trade mark Fig 7 Removing King Pin Bushing or Bearing 1 King pin bushing or bearing 2 Tool C 328 at top and oil hole in bearing lined up with oil hole in steering knuckle Stationary type bush ings Fig 8 should be line reamed First re move the upper needle bearing Install reamer pilot bushing Tool C 631 and reamer Tool C 379 When installing lower and upper floating type bushing Fig 9 place open end of oil groove to the top Both types of lower bushings should 49x607 Fig 8 Bearing and Stationary Type Bushing Installed 3 Lubricant holes A 3 32 inch 1 Bearing identification mark 2 Bushing identification line or notch B 1 16 inch CHRYSLER SERVICE MANUAL Fig 9 Bearing and Floating Type Bushing Installed 3 Floating type bushing A 3 16 inch 1 Bearing identification mark 2 Lubricant holes be installed with oil hole in bearing lined up w
41. e car to lead to the right or left 35 CASTER Caster is the amount the top of the king pin is inclined toward the front or rear of the car as viewed from the side of the car Fig 72 Positive caster is the tilt of the top of the king pin toward the rear of the car Negative or reverse caster is the tilt of the top of the king pin toward the front of the car Positive caster imparts a trailing action to the front wheels while negative or reverse caster causes a leading action The correct amount of caster helps to keep the front wheels in the straight ahead position When turning a curve caster and king pin inclination act as a lever assisting the driver to return the front wheels to the straight ahead position 36 TOE IN AND TOE OUT Toe in is the amount the front wheels are closer mm TIRE CENTER LIN E sre GLE Pulses beastie VERTICAL LINE 5 Nm PIN ANGLE aoe r Fig 71 Camber Angle and King Pin Inclination CHRYSLER SERVICE MANUAL FRONT NEGATIVE CASTER POSITIVE CASTER 4 9 704 Fig 72 Angle together at the front than they are at the rear when viewed from the top of the car Excessive or insufficient toe in causes lateral slipping or scuffing between the tire and the road resulting in abnormal tire wear When the wheels are turned to the right or left they actually toe out
42. e done in proper sequence as outlined herein CHECKING FRONT WHEEL ALIGNMENT Normally when checking front wheel align ment the car should be empty all luggage or load should be removed If a constant load is carried such as when a car is used by a sales man for carrying samples etc the car should be loaded with its normal amount of weight be fore checking front wheel alignment IMPORTANT The front springs and shock absorbers should be placed in normal position by grasping front bumper at its center and moving the front end of the car up and down several times The must remain in this normal posi tion while front wheel alignment is being checked If one side of car is lower than other due to someone getting into or out of car gauge readings will be incorrect unless the foregoing operation is repeated 37 CHECKING KING PIN INCLINATION 1 Inflate all tires to recommended pressures IMPORTANT Set foot brakes so that front wheels will not turn while king pin inclination is being checked 2 Place front wheels on locked turntables as shown in Figure 73 with front wheels in straight ahead position NOTE The center of the tire contact area should be TAIR LINE ON ZER BUBBLE LEVEL os TURNTABLE LOCK PIN 554247 Fig 73 Gauge C 3409 and Turntable 00 435 on Right Wheel approximately two inches inside the center of the turntable pad 3 Remove Wheel Cover Assembly
43. e steering tube coupling or steering wheel to the overall travel of the steering gear With gear in center position loosen adjustment until there is some backlash Slowly turn the adjusting screw in until the backlash disap pears Turn the adjusting screw in three fourths of a turn and lock in position NOTE Use a very light feather touch on the steering arm when checking for backlash The new equal tooth gear shaft may be in stalled in previously built gears without chang ing the lower piston rod However if a new shaft is used this adjustment must be followed If difficulty is experienced adjusting the gear shaft in previously built gears the follow ing check can be made to determine if the new equal tooth gear shaft may have been installed With the steering gear centered turn the ad justing screw until a small amount of backlash can be felt Turn the coupling or steering wheel slowly to either extreme limit of travel If the amount of backlash increases as it is turned it is an indication that the unit has the original unequal tooth gear shaft If the amount of back lash does not increase then the new equal tooth gear shaft has been installed Identification of the new gear shaft can also be made upon in spection of the shaft by the absence of the chamfer on the center tooth 20 INSTALLATION OF COAXIAL POWER STEERING GEAR In Car Install the Coaxial Power Steering Gear assem bly from under the car and
44. ear Shaft Outer Bearing eke Driver Steering Gear Shaft Inner Bearing vec eae Pilots Pr Reservoir Installing Plug Oil Pump Return Hole Tapered Small 12 yg hae Pliers Pump Shaft Rear Bearing Ring Driver Pump Oil Seal and Bearing 28180 Moen es Thimble Protector Pump Oil Seal 8186 Sleeve Shaft Oil Seal Installing 1 Remover Shaft Oil Seal Driver Valve Block Adjusting Pin Roller A Driver Steering Gear Shaft Inner Seal Driver Steering Tube Oil Seal In Valve Body Cap CSIBI Plug Oil Pump Return Tapered Large 485 524 or 8005 Wrench Foot Pound Torque C2612 Sd eek Puller Steering Wheel C 685 8880 Wrench Inch Pound Torque 2628 Puller Screw For Use With C 143 Puller Previously Released CBI86 Remover Pump Shaft Bushings and Seal CBZ Hose High Pressure P S Test 62821 ee Puller Main Bearing CHRYSLER SERVICE MANUAL STEERING 389 COAXIAL POWER STEERING GEAR Cont d Tool Number Tool Name 62822 uate ave Gees Wrench Flange Holding 255228 Thimble Shaft Oil Seal Protecting 3209 5 25504 Pliers C 323
45. en at any point through the full travel of shaft it probably has a cocked gear shaft cover dirt has entered the interior or the circulating balls are defective or improperly installed 22 REPLACING STEERING GEAR SHAFT OIL SEAL Unit Mounted in Car The steering gear shaft oil seal may be replaced with the unit in car similarly to the method outlined in Paragraph 18 23 HYDRAULIC STEERING PUMP PRESSURE CHECK Should the lack of steering assistance in both directions be encountered and other checks have failed to reveal the cause a pressure check should be made to determine if pump is oper ating properly as follows Connect tachometer leads to coil and ground Install gauge Tool C 3309 in pressure line e tween pump and hose Refill reservoir to proper level Open valve on gauge start engine and run until power steering oil pump reaches oper ating temperature With engine idling 475 500 r p m turn the shut off valve on gauge to its closed position CAUTION Do not keep valve closed more than a few sec onds or accelerate engine with valve closed Otherwise damage to the pump and or belt may result If the pressure does not gradually increase to at least 700 psi as the valve is closed it is pos sibly due to the following conditions a Fan belt slipping Adjust the belts Where two belts are used make definitely sure both belts are adjusted or the condition will still exist b Flow control valve
46. er and seal ring Remove outer pump rotor by inverting and tapping pump body on wooden block Remove pump shaft and inner rotor from pump body Remove inner pump rotor from pump shaft by removing the rear circular section snap ring and sliding rotor and drive key off shaft To remove the combination control and re lief valve pump cover remove the 114 inch hexagon spring retainer cap fitting and circular section rubber O ring Lift out flow control __ ADJUSTING BOLTS FOR RESERVOIR OIL LEVE Fig 59 Adjusting Oil Pump to Level Oil in Reservoir valve spring Tap cover on wooden block to remove the flow control and relief valve com bination To remove pressure relief valve and spring from flow control valve body remove the internal snap ring as shown in Figure 60 b Inspection Clean all parts in a suitable solvent and blow dry with compressed air Inspect the babbitt pump rotor bushing in pump body for wear or scoring Inspect bronze pump shaft bearings in 52 699 Fig 60 Disassembly or Assembly of Pressure Relief and Flow Control Valve 3229 CHRYSLER SERVICE MANUAL BUSHING 52 691 Fig 61 Removing Pump Cover Bushing cover and pump body Inspect pump rotors and shaft for scoring and wear Position rotor and shaft in pump body Using a straightedge and feeler gauge check the end clearance The specified limits are 001 inch to 002 inch Inspect t
47. f jacket Remove assembly from lower side of car 5 DISASSEMBLY OF STEERING GEAR Unit Removed From Car To disassemble the Manual Steering Gear As sembly proceed as follows CHRYSLER SERVICE MANUAL Drain lubricant from the steering gear hous ing Mount the gear assembly in a suitable bench vise holding the assembly by the housing to chassis mounting flange with the steering col umn in the horizontal position Remove the shaft cover attaching cap screws cover gasket and steering gear shaft and roller tooth assembly Loosen the column jacket clamp bolt pry open clamp and remove column jacket from steering housing Remove steering worm lower oil seal housing cover bolts cover and shims Pull steering tube and worm assembly bearing cups and bearing cages out of the lower end of steering housing Clean the steering gear housing shaft bear ings and other parts thoroughly with a suitable cleaning solvent Inspect roller tooth shaft shaft serrations bearings bearing cups oil seals worm and tube for wear nicks and flat spots Replace with new parts as necessary Remove roller tooth assembly shaft cover adjusting screw nut and locking plate Check adjusting screw threads in cover and on the adjusting screw Replace if necessary 6 ASSEMBLY OF STEERING GEAR Unit Removed From Car NOTE When the steering gear assembly is disassem bled it is always advisable to install new seals and gaskets to insure agains
48. g Tie Rod From Steering Knuckle Arm Tool C 3394 wheel spindle Turn bearing adjusting nut Fig 5 hand tight Turn adjusting nut back one slot Turn the nut back until slot nearest cotter pin hole centers over hole and install a new cotter pin The bearing nut threads must be in good condition and the cotter pin properly installed and spread Always use new cotter pins 13 RECONDITIONING FRONT WHEEL HUB AND DRUM ASSEMBLY Raise front end of car until wheel is off floor Remove hub cap Remove wheel hub bolts Bolts on left wheels have left hand threads and those on right wheels have right hand threads Re move wheel hub grease cup snap type with special Tool C 438 or by prying with a screw driver and tapping with a light hammer Re move threaded type by unscrewing cap from hub Remove cotter pin and unscrew front wheel bearing adjusting nut Remove outer bearing and pull hub off steering knuckle It is not necessary to remove wheel from hub if hub is to be removed from steering knuckle spindle Wheel and hub may be removed as a complete unit Inspect oil seal and replace if necessary Before installing front wheel hub and bear ing assembly remove lubricant from the hub and bearings and make sure parts are in good condition Install inner and outer bearing cups so there is no clearance between the hub shoul ders Pack bearings with Short Fiber Wheel Bearing Lubricant Medium When installing the oil seals make certain t
49. g gear Pitman arm from shaft and install another arm for making ad justments Turn steering wheel to mid position This is obtained by turning wheel to extreme right or left and then turning it to opposite ex treme counting number of turns required Turn steering wheel back 14 the number of turns re quired for turning it from one extreme to the other With steering wheel in mid position attempt to move steering gear arm back and forth to determine whether or not there is any backlash There should be no backlash But if backlash exists the roller tooth and worm should be adjusted Remove roller tooth shaft adjustment screw lock nut Slide off lock plate far enough to clear lock boss on roller tooth shaft cover Tighten roller tooth shaft adjusting screw Fig 3 enough to eliminate free play between roller tooth shaft and worm but it must not bind Slide lock plate in position against roller tooth shaft cover and lock it Install and tighten roller tooth shaft adjustment screw lock nut Check steering gear operation again for binding and backlash Correct any inaccuracies in ad justments Install steering gear arm with tie rods 10 SERVICING IDLER ARM Service of the idler arm is restricted to replace ment and adjustment When replacing the idler arm disconnect the relay rod center link from the idler arm Remove the bracket attaching screws from the bracket and frame and remove WORM BEARING ADJUSTING SHIMS ADJU
50. h are used in the worm connector are a select fit with each other If any of them become lost or damaged a com plete set 40 must be installed Balls which fit tight will result in increased and erratic steer ing effort and also lack of returnability Balls which fit too loose will result in free play of the steering wheel before valve actuation or steer ing is accomplished CHRYSLER SERVICE MANUAL Insert 30 worm balls no more into lower hole by tapping them in gently use the rubber end of lead pencil or similar object while slightly oscillating the worm When the 30 balls have been inserted they should be visible in the other hole Place the remaining worm balls 10 in either half of the worm connector ball guide Grease end balls to help hold them in place and add other half of ball guide assembly Insert assembly into holes until it seats on worm con nector Place ball guide clamp into position on ball guide install the two lockwashers and screws and tighten to 12 foot pounds torque Check the operation of worm making sure it is free to turn the maximum travel of the worm shaft Caution should be exercised not to bottom worm in the outward direction Otherwise dam age to the ball return guide may result and cause a rough or tight operating worm Slide the worm connector and worm shaft assembly over control spacer and screw worm connector nut onto connector Pull worm shaft up about one inch and wrap several layers of m
51. hat the seal flange bottoms on the bearing cup 14 REMOVAL AND INSTALLATION OF STEERING KNUCKLE KING PINS AND BUSHINGS NOTE Should servicing of the steering knuckle be nec Fig 5 Front Wheel Bearings 1 Bearing nut 2 Bearing thrust washer 6 Hub dust seal 3 Outer bearing cup 7 Hub cap 4 Hub 8 Grease cap 5 Inner bearing cone and rollers 9 Bearing nut cotter pin 10 Outer bearing cone and rollers 11 Steering knuckle 12 Inner bearing cup 398 STEERING CHRYSLER SERVICE MANUAL Fig 6 Removing Brake Support essary time can be saved by removing the steer ing knuckle arm from the steering knuckle Remove steering knuckle and brake support as an assembly Make necessary repairs ona bench If it is done in this manner eliminate removing support Remove brake hose connections but leave brake support on steering knuckle Re move unit as an assembly with steering knuckle after king pin is removed Always use new bush ings seals and pins when servicing the steering knuckle and support assembly Remove wheel and hub assembly Block brake pedal so it cannot be depressed Remove nuts and bolts that fasten brake support to steering knuckle Remove steering knuckle arm from steering knuckle Remove brake hose and con nections and lift off brake support Fig 6 Do not allow brake support and shoe assembly to be supported by flexible brake hose Remove king pin locking pin Driv
52. he pressure relief and flow control valves for scoring replace if necessary c Replacement of Pump Cover Bushing Place pump cover in a vise equipped with pro tective jaws install tool and tap threads into bushing with outer section of tool as shown in Figure 61 When tool has been threaded into bushing sufficiently screw section of tool into cover until it bottoms and continue BUSHING Fig 62 Installing Pump Cover Bushing STEERING 425 54 651 Fig 63 Removing Pump Body Shaft Bushing Tool C 3185 turning to remove bushing Install bushing with tool as shown in Figure 62 d Replacement of Pump Body Bushings Place pump body in vise equipped with protec tive jaws Place pump cover on pump body and install attaching bolts Install tool in cover bushing hole and thread tool into housing bush ing as shown in Figure 68 Remove bushing and seal Always use a new seal when bushing is replaced Place bushing on tool as shown in Figure 64 start bushing squarely and drive into place e Replacement of Outer Rotor Bushing Babbitt Thread tool into pump body cover removed _ TOOL Fig 64 Installing Shaft Bushing Body Tool C 3233 426 5 TT BUSHING 52x693 Fig 65 Removing Babbitt Bushing from Body Tools C 3214 and C 3234 Using adaptor remove the bushing Fig 65 Clean all parts thoroughly in a suitable solvent and bl
53. hey seat properly in the ring grooves Install lower piston rod with rack into end of piston assembly opposite pin hole Using snap ring pliers install snap ring PISTON PIN HOLES PISTON hie VALVE ROD 53x832 UPPER PISTON ROD Fig 42 Installing Upper Piston Rod CHRYSLER SERVICE MANU STEERING 415 PISTON PIN RING SEAL 1 4 INCH PUNCH a PISTON PIN UPPER PISTON ROD Fig 43 Installing Piston Pin NOTE When installing the snap ring it must be in stalled with the tapered side away from the pis ton so that the taper is visible after installation The gap between the ends of the installed snap ring should be measured to be sure the ring is seated The minimum permissible gap is 2 inch Be sure the snap ring does not restrict any part of the ports in the end of the piston rod Lubricate valve assembly with Lubriplate HOUSING HEAD 53x834 Fig 44 Installing Upper Piston Rod Seal Tool C 3395 EAL RETAINER ASSEMBLY 5 175 Fig 45 Installing Valve Control Spacer Tool C 3393 and slide into position in assembly as shown in Figure 41 Using care not to damage the rings slide upper piston rod over the valve rod aligning the piston pin hole in the piston assem bly with the hole in the upper piston rod as shown in Figure 42 Lubricate a new piston pin ring with Lubriplate and install on piston as shown in Figure 43 With the pist
54. irt and foreign matter from getting between the valve and bore thus reduc ing the possibilities of sticking Remove and discard all seal rings and seals Use new ones lubricated with Lubriplate when reassembling To disassemble the Power Steering Unit for repair or overhaul refer to Figure 17 and proceed as follows b Removal of Worm Housing from Gear Housing Drain lower portion of steering gear through pressure and return connections by turning steering tube coupling from one extreme of travel to the other Using a 3 inch Allen wrench remove worm housing filler plug and drain the worm upper housing Attach holding fixture to unit and place in a vise Use concave type washers when mounting steering housing on tool Remove tube coupling screw lockwash er and washer from center of coupling Remove coupling from worm shaft as shown in Figure 18 Remove the worm housing oil seal with a screwdriver from the housing Use extreme care to avoid damaging housing when removing seal Unlock bearing adjusting nut by bending tang of lockwasher Only one tang locks nut in position Place tools over worm shaft as shown in Figure 19 Holding the worm station ary remove worm bearing adjusting nut lock washer and thrust washer The worm bearing adjusting nut is tapered on the bearing side Remove the worm outer bearing race and bear ing roller from worm Remove the three worm 53 801 Fig 18 Removing Tube Coupling Tool
55. it in the holding fixture Tool C 3323 and connect test hoses so that the gear can be operated under pressure Remove the upper housing To test the gear for leaks with the housing removed install Tool C 3469 Flange Housing Head Retaining as shown in Figure 70 With the use of this tool the gear may be operated under normal pressure and the exact point of leakage can be determined From our experience we strongly recommend the use of this flange Tool C 3469 since it pin points the exact nature of the leak and eliminates the possibility of disassembling the gear more than once for repairs When the flange tool is used proceed with test as follows Remove all traces of oil around the housing head upper piston rod and connector assembly Start engine and check for source of oil leaks Move the control valve off center in each direc tion with adjusting tool to build up pressure in the unit for testing leaks Leaks out through the vent hole may be com ing from one or more of the following seals Reaction Seal If leaking oil can be detected to be coming from the connector assembly In spect seal for signs of shrinkage or being dam CHRYSLER SERVICE MANUAL aged Use a new seal marked with a silver as a replacement Check new seal for snug fit in the valve control spacer Also inspect upper rod for being scratched at the sealing surface Upper Valve Rod Ring tThis leak can also be determined
56. ith oil hole in steering knuckle On cars equipped with Power Steering the king pin bushings should be installed with the open end of the oil groove leading towards the seal rings After installing the steering knuckle make sure it is free in the support Binding at this point may cause sensitive steering and car wan der There should be 006 to 008 inch clearance between the steering knuckle and the knuckle support This clearance can be adjusted by the STEERING 399 STAKE IN PLACE AS SHOWN STAKE SECURELY 4 PLACES AS SHOWN BOTH ENDS 49 701 Fig 10 Welch Plug and King Pin Lock Pin Installed use of shims between the steering knuckle and the thrust bearings When installing a welch plug it is necessary to stake it after it is properly in place as shown in Figure 10 Before installing hub and drum assembly perform Major Brake Adjustment described in Section III Brakes as applied to cars equipped with Manual Steering After install ing hub drum and wheel assembly check king pin inclination caster camber and toe in or toe out as outlined in Front Wheel Alignment in this Section Adjust brakes COAXIAL POWER STEERING 15 DESCRIPTION Fig 11 The Coaxial Power Steering Unit incorpo rates two basic gear mechanisms a worm and worm connector and a rack and sector gear The worm and worm connector act in a man ner similar to a bolt and nut assembly rotation of the wor
57. l C 3328 screw ring Inspect bearing surface on shaft for being pitted or scored Inspect con dition of teeth on shaft Place a suitable con tainer under the assembly to catch trapped oil and slide piston assembly and rods from gear housing as shown in Figure 25 CAUTION Use extreme care in handling to avoid dam aging the sealing surfaces on housing head f Disassembly of Piston and Rods Remove valve rod adjusting disc from valve VALVE CONTROL SPACER WORM CONNECTOR NUT CONTROL SPACER RETAINER VALVE ROD 53x813 Fig 28 Removing Valve Control Spacer Seal and Seal Assembly UPPER PISTON ROD HOUSING 53x815 Fig 29 Removing or Installing Housing Head rod as shown in Figure 26 To remove a tight fitting adjusting disc wrap tape around the edge this will prevent damaging disc and grip it with multi grip pliers Tool C 3445 may be used to easily turn the valve rod from the disc Slide valve rod adjusting disc retainer from upper piston rod as shown in Figure 26 Remove upper piston rod nut lock cap Remove upper piston rod nut as shown in Figure 27 If the piston and upper piston rod turn when removing the upper piston rod nut wrap sev eral layers of masking tape around center pis ton and clamp in a vise with protective jaws The piston nut can then be removed Support upper piston rod on a block of wood to help prevent damaging the housing head when remov ing nut Slide v
58. l alignment are interrelated but each angle has a specific pur pose Four different angles are used in position ing front wheels for proper steering under varying conditions of weight and speed Should one of the four angles get out of posi tion the harmonious relationship of all of them is destroyed Each angle depends upon the proper setting of the others if front wheels are to lead properly In making corrections to front wheel align ment or installing new front wheel suspension parts all four angles in both front wheels should be checked in the following order 33 KING PIN INCLINATION King pin inclination is the amount the top of the king pin inclines away from the vertical toward the center of the car as viewed from the front of the car Fig 71 Inclined king pins are closer together at the top than at the bottom When the king pin inclination is incorrect it is an indication of a bent frame or bent con trol arms Correction should be made by 434 5 straightening the frame as required or by replacing the damaged parts 34 CAMBER Camber is the amount the wheel inclines away from the vertical at the top as viewed from the front of the car Fig 71 With positive camber the wheels are farther apart at the top than at the bottom Negative or reverse camber is the opposite the wheels are closer together at the top than at the bottom Unequal camber in the front wheels may cause th
59. m causes linear axial motion of the worm connector Fastened to the worm con nector in succession are an upper piston rod a piston and a lower piston rod all concentric to the steering column axis This arrangement provides a means for adding power assistance to the system CHRYSLER SERVICE MANUAL 400 STEERING Buliaajg samog Bly CHRYSLER SERVICE MANUAL STEERING 401 FLOW CONTROL VALVE CLOSED PRESSURE RELIEF VALVE OPEN HIGH PRESSURE LOW FLOW FLOW CONTROL VALVE OPEN PRESSURE RELIEF VALVE CLOSED 4 rears tet LOW PRESSURE HIGH FLOW FLOW CONTROL VALVE OPEN PRESSURE RELIEF VALVE OPEN epee eee es A 44 54 HIGH PRESSURE HIGH FLOW 53x632 Fig 12 Pump Pressure and Flow A rack machined in the lower portion of the lower piston rod meshes with a sector gear This combination produces rotation of the steer ing gear arm and thereby actuates the steering linkage The hydraulic system of the Coaxial gear con sists of a double acting piston a valve which fits inside the piston and a hydraulic reaction chamber which gives the driver the feel of the road Axial positioning of the valve directs high pressure oil to one side or the other of the double acting piston At the same time valve movement opens an oil return line which
60. m connector pushes on the lower seal retainers and squeezes the oil filled seal Because the valve has been in neutral position until this instant the pressure inside the reaction seal is low and the seal compresses allowing the worm connector and valve to move without moving the piston rod In other words there is relative motion between the valve and piston which is fastened to the piston rod Therefore oil pressure rises in the system because of the restrictions between the valve and valve body and the piston begins to move the steering parts that connect to the front wheels At the same time the higher oil pres sure is felt inside the oil filled reaction seal The greater pressure inside the reaction seal attempts to force the seal and the worm con nector back to their original neutral positions Therefore the driver feels a resistance to turn ing the steering wheel a resistance proportional SNAP RING RING RING PISTON AND ROD RETAINER SEAL 7 ROD UPPER WASHER BOD ROD LEVER SNAP RING OIL SEAL RING RING OIL SEAL BEARING HOUSING RING COVER SNAP RING PISTON WASHER BEARING CUP OUTER 12 SHAFT WASHER RING NE WASHER 5 BEARING CUP INNER BALL PACKAGE NUT 1 9 8 ADAPTER SCREW 55xB4 Fig 17 Coaxial Power Steering Exploded View
61. mits the oil pressure from 750 to 800 psi The entire hydraulic oil system for power steering has a capacity of 2 quarts of SAE 10 W engine or type oil The worm hous ing capacity is one pint which is separate from the pressure system b How the Coaxial Power Steering Operates The heart of the Coaxial Power Steering Unit has two parts the valve and the valve body actually a part of the hydraulic piston as shown in Figure 13 Together these two pieces control the operation of the entire power sys tem When the driver turns the steering wheel the valve moves with respect to the hydraulic piston and power asistance instantly responds The relative movement between the valve and piston is very slight it seldom excee 18 0025 inch and must not be confused with the gen eral movement of the whole stee ing system as the front wheels turn The driver controls the power steering unit by governing the relative movement between the valve and hydra tlic pis ton Control movements are based o feel of the road that comes through the steering wheel from a hydraulic reaction chamber inside the power unit Relative movement of the valve and piston affects hydraulic action as follows As the valve moves relative to the piston it regulates oil pressure and directs oil flow through the hydraulic circuit Consider the case where the steering wheel is not turned and the valve is in neutral position as shown in Figure 13 In this po
62. nd valve assemblies if the above does not eliminate the noise b Hissing Noise No Load This may be caused by low oil level in the reser voir Add oil sufficient to cover the top of the filter element Hissing noise may also be an indication that the pressure control valve in the lower piston rod is not operating properly To check opera tion of this valve make the following test Connect pressure gauge C 3102 between the pump and pressure hose Open valve on gauge and idle engine at 475 to 500 r p m With engine idling at operating temperature and no turning effort on the steering wheel the pressure should read between 70 to 100 psi If the pressure is not within these limits dis assemble and inspect the pressure control valve for proper sequence of parts installed refer to Service Bulletin No 621 crushed valve body causing excessive leakage or plunger sticking and end plug not seated against the valve body allowing leakage or chatter During assembly be sure that the end plug is seated firmly against the valve body Check seating of plug by attempting to turn the valve body with a small screwdriver inserted in the oil outlet hole in the lower piston rod c Hissing Noise Right Turn Only This may be caused by oil leakage by the lower piston rod gear housing oil seal Disassemble and inspect for damaged lower piston rod gear housing oil seal seal not seat ing properly in the gear housing lower piston
63. ng Wheel to Steering Shaft 35 40 Jacket to Instrument Panel 15 20 Tie Rod Clamp Boles ese oe ie ee ae hao een boas 10 15 CHRYSLER SERVICE MANUAL STEERING 391 POWER STEERING GEAR ASSEMBLY Cont d Foot Pounds Tie Rod to Steering Knuckle Arm 45 75 Pump Coupling Attaching 15 20 Pump Flow Control and Relief Valve Adapter 45 50 Pump Coupling Flange Attaching 10 12 Upper Piston Kod NUT oe cle ce oe BA dia a cee RUE ASS ees 25 30 Ball Guide Clamp Screws ISO AES ORE SES 10 12 Worm Housing to Gear Housing 25 30 Gear Shaft Adjusting Screw Lock 35 40 RESERVOIR Thread Size Foot Pounds Reservoir Cover Bolt 546 X 24 8 Relief Valve Assembly 1x8 8 Hose Connector Inlet 5x18 30 PUMP Thread Size Foot Pounds Pump Assembly Bolt 516 X 18 20 Hose Connector Outlet 56 18 80 By Pass Plug EE ose ees x16 50 Relief Valve Plug
64. ng wheel the valve cannot move There is relative motion between the valve and piston this time caused by piston motion rather than the valve motion Therefore oil pressure builds up in the one end of the cylinder creating a hydraulic force that pushes the piston back toward the neutral posi tion in direct opposition to the disturbing obstruction Hence the front wheels do not turn The driver maintains control on bad roads with a minimum of steering effort If oil pressure is somehow interrupted such as the fan belt breaking the small operating clearances in the hydraulic reaction chamber close up as the driver turns the wheel one way or the other giving solid metal connec tions Fig 16 Therefore the system steers mechanically that is steering wheel movements travel through the worm connector through one seal retainer through the piston rod and piston and through the rack and sector gear to the linkage that connects to the front wheels If this condition is allowed to continue steering wheel play will greatly increase and oil will be pumped out of the system through the reservoir vent MAINTENANCE AND ADJUSTMENT OF COAXIAL POWER STEERING 16 REMOVAL OF COAXIAL POWER STEERING UNIT FROM CAR Remove horn ring ornament from steering wheel Disconnect horn wire and remove horn ring Remove steering wheel with puller and remove turn signal lever and plate Loosen the steering column to instrument panel bracket
65. nnector nut including the nut not being tightened can cause this condition 31 LACK OF ASSISTANCE a One Direction Lack of assistance in one direction is usually found to be caused by one of the following con ditions Damaged neoprene piston ring Housing head oil seal upper piston rod CHRYSLER SERVICE MANUAL Damaged or improperly seated housing head oil seal will cause lack of assistance when turning to the left and will also be accompanied by loss of oil out of the vent in the upper housing Inspect sealing surface on upper piston rod for being scratched Replace if necessary Install new housing head oil seal and make sure that it is seated in the housing head Valve rod lower ring Inspect for dam aged lower valve rod ring in upper piston rod 433 Piston rod rings Inspect for damaged rings on both upper and lower piston rods which may be causing leakage between piston and rods Install new rings and make sure they fit in the grooves b Both Directions Tire pressure too low Upper and lower fan and generator belts slipping Low fluid level in res ervoir Fill so that fluid covers top of filter Lack of pump pressure Make pressure checks FRONT WHEEL ALIGNMENT All Models 32 DESCRIPTION Correct front wheel alignment produces easy positive steering with a minimum of scuffing action between tire and road All factors of front whee
66. on pin holes aligned in both the piston and upper pis ton rod position piston pin tapered end first in position Use a 14 inch punch and hammer tap lightly until piston pin is flush or slightly below bottom of piston ring groove Figure 48 If piston pin is too high in groove piston ring will not properly seal This will cause unequal pressure when valve is centered in piston Using snap ring pliers install the upper pis ton rod snap ring Use the same precautions and specifications as previously used in position ing the lower piston rod snap ring Select snap ring of sufficient thickness to prevent turning of snap ring after it is installed If it is too loose the piston will move with relation to the piston 53x837 Fig 46 Locking Upper Piston Rod Nut Lock Cap 416 STEERING CHRYSLER SERVICE MANUAL STEEL 5 Fig 47 Installing Piston Rings rod and prevent consistent adjustment of con trol valve Place a new upper piston rod seal on driver lip of seal facing tool Insert seal in end of driver and drive upper piston rod seal lip of seal out into position in housing head as shown in Figure 44 Lubricate seal with Lu briplate Install housing head assembly sealing lip first onto upper piston rod Use same precau tions to protect sealing surfaces on housing head as used when disassembling Slide con nector nut onto the upper piston rod with open threaded end away from piston Lub
67. ose on Rod The control valve rod is connected to the con trol valve by peening Check for any movement CHRYSLER SERVICE MANUAL between the two If movement does exist replace the control valve and rod assembly Do not attempt to tighten i Upper Piston Rod Nut Loose Tighten securely j Upper Piston Rod Inspect rod for being scored at reaction seal retainer bearing surfaces and replace if neces sary Reaction Assembly If the above items have failed to correct unequal steering effort replace all reaction parts Make sure the valve control spacer is matched to the upper piston rod The length of the valve control spacer must be identical to the distance between the seat of the lower valve control spacer retain er and the upper piston rod nut 30 INABILITY TO MAINTAIN CONTROL VALVE ADJUSTMENT This condition may be caused by the following conditions Valve control rod loose in disc The locking effort of the adjusting disc can be increased by slightly compressing the locking portion in a vise Turning effort of rod in disc should be 10 to 20 inch pounds Do not exceed 20 inch pounds or the valve rod and or adjusting tool may be damaged Upper piston rod nut loose Tighten securely Control valve loose on rod Replace assembly if any looseness is found Reaction spacer too long or too short or burrs or out of squareness of any of the reac tion area parts which are held inside the con nector by the co
68. ow dry with compressed air f Installation of Pump Body Outer Bushing Babbitt Start bushing squarely and using tool drift into place as shown in Figure 66 9 Installation of Pump Shaft Oil Seal Reposition pump body in vise Place seal on tool as shown in Figure 67 Drive seal into position in pump body To assemble pump refer to Fig ure 58 and proceed as follows Lubricate all moving parts with clean SAE 10W engine oil or Automatic Transmission TOOL BUSHING Fig 66 Installing Babbitt Bushing in Body CHRYSLER SERVICE MANUAL OIL SEAL 54x653 Fig 67 Installing Pump Shaft Oil Seal Tool C 3230 Fluid Type A Coat O seal rings with Lubri plate Reassemble combination flow control and relief valve by inserting spring and relief valve with small end first Compress valve and spring and install snap ring Make sure snap ring seats properly Install the combination flow control and relief valve assembly into pump body with the narrower land first Insert spring gasket and adaptor Tighten adaptor to 50 foot pounds torque Install inner pump rotor and drive key on shaft and install snap ring Install shaft pro tector thimble in pump body until it bottoms as shown in Figure 68 Using care not to dam 54x654 Fig 68 1 Pump Rotor Shaft with Thimble Tool C 3350 CHRYSLER SERVICE MANUAL 54x655 Fig 69 Tightening Coupling Screw age the babbitt b
69. r assistance ceases and the front wheels remain where the steering wheel indicates The entire action is instantaneous because the relative movement between valve and piston is so slight What causes the relative movement between these parts and how does the driver get his feel of the road The first important fact to remember is that the valve is mechanically connected to the steer ing wheel as shown in Figure 15 The valve solidly connects to the worm connector through the valve operating rod The worm connector is attached to the steering wheel through a worm shaft as shown in Figure 11 Hence the slight est steering wheel movement is transferred through the worm connector to the valve Another important fact is that the upper pis ton rod is hydraulically attached to the worm connector through two seal retainers and a rub ber reaction seal whenever the power system is operating Fig 16 connection is called hy draulic because the rubber seal one of the con necting links between the worm connector and piston rod is filled with oil Oil from the main oil line is supplied to the seal through a hole drilled in the piston and another drilled down the long axis of the upper piston rod The oil in the reaction seal is therefore at full operating pressure Suppose the steering wheel is turned in such a direction so that the worm connector and valve tries to move up right turn In trying to move up the wor
70. r biting into support etc In some rare instances the noise may be caused by one of the following items lower piston rod bushing dowel pin being too high foreign material preventing bushing from seat ing and bearing surface of bushing rough Install a new bushing if necessary making sure it is seated in the gear housing and that the head of the dowel pin is slightly below the bear ing surface of the bushing Inspect for the lower piston rod being loose in the piston Replace parts as necessary to assure a tight fit Chuckle Noise This noise is most noticeable when the car is driven over rough or choppy roads and is usu ally accompanied by road wander The condition may be caused by one or more of the following Check in the following order CHRYSLER SERVICE MANUAL Steering gear arm nut loose on the gear shaft Tighten to 100 120 foot pounds torque Loose front wheel bearings Adjust bearings Gear shaft adjustment too loose Excessive king pin end play There should be 006 to 008 inch clearance between the steering knuckle and the knuckle support Adjust clear ance through the use of shims as needed 4 Steering tube coupling screw loose Worm bearing pre load adjustment too loose Adjust pre load Excessive worm shaft end play in connector assembly Replace worm and connector as an assembly h Looseness Shake or Roughness at Upper End of Steering Column or Steering Wheel This noise condition ma
71. r mechanic shake the front wheels hard sideways but not enough to turn steering wheel Any end play in worm bearings can be felt at steering wheel hub There should be no STEERING 395 end play at the hub End play should not be con fused with clearance between the roller and worm If any excessive end play exists remove the steering gear arm drain the housing and disconnect the horn wire at connector between steering gear and horn Remove cap screws which hold grease retainer cover at bottom of steering gear housing Re move shims of sufficient thickness between this cover and housing to eliminate the end play in worm but not enough to cause binding when cover is bolted tightly in place Turn steering wheel from extreme right to left If any stiff ness exists too many shims have been removed or the steering gear assembly is misaligned on car 8 INSTALLATION AND ALIGNMENT OF STEERING GEAR ASSEMBLY a Installation Where gear chuck and worm shaft assembly has been removed for service install as follows Raise front of car insert worm shaft into jacket and move gear chuck assembly up into position It may be necessary for an assistant to guide the top of the worm shaft through the upper jacket alignment bearing Install gear chuck to bracket attaching bolts and tighten forward bolt to a snug fit Lower car to floor Center the jacket in the instrument panel and tighten bracket bolts Install and tighten dust pad re
72. r shaft Tighten to 120 foot pounds torque Loose front wheel bearings Steering linkage check for worn or loose tie rod ends Loose steering knuckle arms Front wheel alignment Binding at king pins and bushings or at other pivot points in front suspension b Poor Recovery of Wheels to Straight Ahead Position Both Directions This condition may be caused by low tire pres sure binding in front suspension parts front end alignment etc If the condition still exists after checking and eliminating these possible causes make the following checks to determine exactly what is causing the difficulty Disconnect linkage from the steering gear and start engine With engine idling use a torque wrench on the steering gear arm nut and check the torque required to turn the gear shaft from one extreme to the other The read ings should be approximately equal and not exceed 40 foot pounds in either direction If reading does not exceed 40 foot pounds it is an indication that the difficulty is caused by one of the following binding tie rods ends steering knuckles king pins and bushings and front wheel alignment If the reading does exceed 40 foot pounds it is an indication that the difficulty is caused by the Power Steering Unit To determine the exact source of the difficulty start engine and recheck the torque required to turn the gear shaft each time one of the following possible causes is checked Steering wheel
73. r shaft from one extreme to the other If proper adjustment cannot be main tained refer to Inability to Maintain Control Valve Adjustment Upper Piston Rod Movement in Piston Check fit of snap ring which retains upper pis ton rod in the piston by attempting to rotate the snap ring If the snap ring can be rotated it will allow the upper piston rod to move axi ally with respect to the piston and displace the control valve relationship to the valve body This can cause self steering in either direction however it is usually noted to be to the left Replace piston making sure the snap ring seats tightly g Connector Nut Any condition which will cause the valve rod adjusting disc to become loose in the connector will result in self steering Check for connector nut not tightening sufficiently to lock the valve rod adjusting disc and reaction assembly in the connector Remove the worm connector and reaction assemblies from the upper piston rod Reassemble by placing the adjusting disc adjusting disc retainer and valve control spacer in their respective positions in the worm con nector Install worm connector nut and tighten securely Insert a small punch or screwdriver through the bottom of the connector and attempt to rotate the adjusting disc If it cannot be rotated it is properly locked If it can be rotated check threads on connector nut connector etc and replace parts as necessary h Control Valve Lo
74. ricate the valve control spacer seal with Lubriplate and Fig 48 Installing Piston and Rod Assembly BAR GEAR SHAFT ADJUSTING RING 53x Fig 49 Installing Gear Shaft Adjusting Screw Ring Tool C 3401 install in center of valve control spacer Should it be necessary to replace the valve control spacer or upper piston rod for any reason al ways Select a spacer to match The length of the valve control spacer selected must be identical to the distance between the seat of the valve control spacer seal retainer and seated upper piston rod nut Place tool over threaded end of upper piston rod Lubricate the valve control spacer retainers with Lubriplate and place into position small diameter first so they nest in valve control spacer Slide spacer seal and retainer assembly over tool and into position on piston rod as shown in Figure 45 and remove tool Install upper piston rod nut and using Tool 8828 tighten from 25 to 80 foot pounds torque Lock in place using piston rod nut lock by tapping outer diameter of lock into nut re cess as shown in Figure 46 Slide valve rod adjusting disc retainer larg est diameter first over end of upper piston rod Thread valve rod disc extended lock thread section outward onto valve rod until approxi mately three threads show for aid in later ad justment When installing disc on rod consider able resistance should be noticed If not crimp end of
75. s immediately stop turning This is how it hap pens with the steering wheel held the valve remains in its pulled up position because the valve is mechanically connected to the steering wheel The piston on the other hand is moving up under the action of the pressure in the lower end of the cylinder and continues to move up for the briefest instant until the relative motion between piston and valve has returned them to the neutral position In neutral position there is very little flow restriction as explained before ADJUSTING DISC RETAINER VALVE ADJUSTING DISC A ADJUSTING 2 WORM CONNECTOR PISTON ROD NUT AND LOCK CUP 53 861 Fig 15 Hydraulic Reaction Assembly CHRYSLER SERVICE MANUAL STEERING 405 OIL IS SUPPLIED FROM MAIN LINE AT OPERATING PRESSURE DRIVER S STEERING FORCE PASSES FROM WORM CONNECTOR TO REACTION RING TO THE OIL FILLED SEAL WHICH RESISTS BEING SQUEEZED BECAUSE OF THE PRESSURE WITHIN THIS RESISTANCE GIVES DRIVER THE FEEL OF STEERING BECAUSE OPERATING PRESSURE IS PROPORTIONAL TO TURNING LOAD UPPER PISTON WORM ROD CONNECTOR OIL FROM MAIN LINE VALVE OPERATING ROD SEAL RETAINERS 2 wee SAN BASS 2 _ tT ISS eee WEED VALVE CONTROL SPACER SEAL le bb OPERATING CLEARANCES 53x862 Fig 16 Hydraulic Reaction Chamber so oil pressure drops to its lowest point Powe
76. s that may be encountered pertaining to steering refer to Front Wheel Alignment in this Section d Refer to Front Wheel Alignment Correct condition as required Refer to Paragraph 6 in this section Cor rect condition as required Section TRANSMISSION SERVICE BULLETIN REFERENCE DATE CHANGES SUBJECT NUMBER
77. shers Remove pump and reservoir assembly from generator Remove the rubber coupling b Installation Place the rubber coupling in position in pump assembly Place pump and reservoir assembly in level position on back of generator using care to index coupling Pump mounting brack ets have slotted holes to allow level positioning of pump reservoir Figure 59 Install the pump to generator mounting bolts lockwashers and washer Draw down evenly and tighten to 17 foot pounds torque Connect the pressure and return hoses to pump and tighten Refill the reservoir 25 SERVICING THE HYDRAULIC STEERING PUMP Fig 58 a Disassembly Do not disassemble the hydraulic pump in dirty surroundings or on a dirty work bench Use clean paper on bench After the pump has been disassembled place the parts in a suitable clean ing solvent and protect them from dirt and chips Remove cover on reservoir and remove filter Remove the two reservoir to pump attaching bolts and lockwashers unscrew the filter ele ment standpipe and separate reservoir from pump There are four rubber O seal rings between the reservoir and pump body Using holding Tool C 3227 remove coupling locking screw lockwashers and coupling The locking screw is of a special type for torquing purposes and should not be replaced with any other type Place pump body in a vise equipped with pro tective jaws and remove the five body to cover attaching bolts Remove cov
78. sition the valve leaves openings between it and the valve body so oil flows through the unit quite easily with very little flow restriction Therefore the oil pump has only a slight resistance to overcome and the oil entering the power steering unit is under low pressure Inside the unit the oil reaches the valve through holes drilled in the piston At the valve the flow divides and oil travels toward both ends of the valve It flows through succeeding openings between the valve and adjacent valve body until it reaches the main return passage drilled through the lower piston rod It then returns to the reservoir and filter In the neutral position oil pressure on both sides of the power piston is the same Consequently the piston remains stationary When the driver turns the steering wheel the valve moves either up or down depending on which direction he turns Suppose that he moves the valve up slightly relative to the piston By moving the valve this small amount the driver 404 5 puts the power system into operation as shown in Figure 14 The instant the valve is moved two impor tant things happen 1 the inlet oil pressure increases because of restricted openings be tween the valve and valve body and 2 the increased pressure is directed to one side of the power piston The restrictions causing the pres sure rise are marked A and in Figure 14 These narrow spaces up the
79. st into worm shaft and engage slot in tool with tang on control valve operating rod Tool C 3445 can be rotated by using a tap wrench If Pitman arm moves to one extreme or the other and stays there rotate tool in either CHRYSLER SERVICE MANUAL direction until arm starts to move Slightly ro tate tool in opposite direction until arm stops moving Install a 1 inch socket on a torque wrench and place on Pitman arm retaining nut Rotate gear shaft in both directions from one extreme of travel to the other The torque re quired to move the shaft should be the same in both directions Where torque is higher in one direction than in the opposite rotate the valve adjusting tool as shown in Figure 56 slightly in the opposite direction to the direction in which the Pitman arm has the highest torque reading Change valve position in slight variations at a time to prevent over adjusting When torque is the same in both directions remove the tool b Installing Coupling at Center of No Backlash Position and Gear Shaft Adjustment The gear shaft teeth before production coaxial gears have unequal widths This design allows for a period of travel through a center arc with no backlash But beyond 150 to 170 degrees on each side of the center of this arc backlash is apparent Later models have gear shafts with equal width teeth and when adjusted properly have no backlash for the full travel of the gear Each type of gear requires a
80. stuck in open position Remove the high pressure hose at the pump fitting and insert a 14 inch clean blunt rod against the valve plunger If the plunger moves inward 3 to 14 inch the plunger was stuck To correct remove the flow control and relief valve assembly and inspect for nicks burrs or foreign matter Small nicks or burrs may be re moved by using crocus cloth When reinstalling valve assembly make sure it fits freely in the bore of pump cover Recheck pump pressure after installation If the pump pressure does not increase to at least 700 psi as the valve is closed proceed as follows c With cover removed from reservoir start the engine and observe whether oil is flowing through the filter If it does not remove the pump from generator it is not necessary to disconnect hose and inspect for broken cou pling flange If either coupling flange is broken disconnect hose and remove pump and reser voir assembly from vehicle Disassemble pump and determine cause of coupling flange breaking 24 REMOVAL AND INSTALLATION OF HYDRAULIC STEERING PUMP ASSEMBLY a Removal Disconnect the pressure and return hoses from pump assembly Loss of oil will be noted when hoses are removed Keep both hose ends up to prevent excessive loss of oil Ends of hose should be covered or capped to prevent the entrance of foreign matter 424 STEERING CHRYSLER SERVICE MANUAL Remove the pump to generator mounting screws and lockwa
81. t is of the utmost im portance that the center tooth of the gear shaft lines up with the center slot in the lower piston rod rack Failure to observe this precaution will result in a broken gear housing Install gasket and cover and tighten the cever screws evenly e Seal Before attempting to install a new gear shaft seal thoroughly clean the sealing surfaces on the gear shaft and counterbore of steering gear shaft oil seal with Lubriplate and place lip of seal down on a piece of clean paper Carefully install tapered end of sleeve part of Tool C 3350 in seal and slide seal back approxi mately 14 inch on sleeve Install this assembly lip of seal toward housing over steering gear shaft until seal contacts counterbore in housing Push seal into position by installing adaptor over sleeve and installing coupling nut on shaft threads until shoulder of adaptor contacts hous ing as shown in Figure 51 Remove nut and adaptor Wrap a new piece of friction tape around sleeve to provide a firm grip and with a turning motion remove sleeve from seal and gear shaft as shown in Figure 52 Seal is then positioned properly Install oil seal lock ring circular section and make sure it is properly seated Install gear shaft adjusting screw lock nut but do not tighten Assembly of Worm Connector If Disassembled Insert worm into connector and visually align the upper portion of the passages with the ball guide holes The balls whic
82. t oil leaks If either of the worm thrust tapered roller bearings have become damaged it is advisable to replace both bearings After thoroughly cleaning all parts assemble the parts without any lubrication Lubrication should be done after the adjustments have been completed If bushings or needle bearings have been removed press new bushings or needle bearings into place Use new oil seals Insert the worm and tube into the housing with bearings and cups in the proper order as shown in Figure 2 Install the shims and lower housing cover making sure that bearings are seated in cups before tightening screws Tighten the cover screws evenly turning the worm tube at intervals to be sure no bind occurs Final CHRYSLER SERVICE MANUAL tightening of the screws should cause the end play to just disappear with the torque required to rotate the wheel from 3 to 34 of a pound when measured with the pull applied at rim of wheel If a bind in the rotation of the tube occurs when the cover screws are fully tightened it will be necessary to add shim thickness until bind just disappears If end play is present after final tightening less shim thickness is required Shims are available in 008 006 011 and 025 inch By using a micrometer to measure shims the proper combination can be chosen Refer to Figure 2 and 3 Install the roller shaft bearing in the housing Before installing the cover turn the adjusting screw all the w
83. taining screws Install steering wheel horn ring and ornament Raise front of car Tighten at taching bolts Install steering Pitman arm and tighten nut b Alignment All Models A slight bind of the steering gear is sometimes caused by shifting of body due to loosened bolts If this condition occurs body bolts should first be tightened Then the steering gear should be loosened at frame frame bracket and dash bracket and allowed to seek its natural position Position the center of steering column in cen ter of instrument cluster If this cannot be ac complished by the shifting of the frame bracket as provided for by the oversize and elongated mounting screw holes it will be necessary to add metal washer shims between the frame and frame bracket Tighten dash bracket and tight en steering gear to frame 396 CHRYSLER SERVICE MANUAL NOTE Be sure the body to frame bolts are tight and the spacers are in place With the body bolts tight loosen the gear housing mounting bolts to allow the steering gear to move in relation to the frame Tighten the mounting bolts to 50 foot pounds torque Loosen the steering col umn bolts that hold column to instrument panel to determine if the column shifts its position in relation to the support 9 ADJUSTMENT OF ROLLER TOOTH AND WORM In Car End play of steering arm shaft and mesh of roller tooth with steering worm may be adjusted as follows Remove steerin
84. tang is necessary to lock nut A loose adjustment will result in free play Too tight an adjustment will result in erratic valve action and lack of return ability Install worm housing oil seal by lightly tapping with plastic or rubber hammer until INCH POUNDS WRENCH FOOT POUNDS WRENCH Fig 55 Final Worm Housing Bearing Adjustment 420 STEERING 55177 J Fig 56 Adjusting Manual Control Valve to Neutral Tool C 3445 forcing the piston to its full length of travel Adjust gear into a backlash condition and tighten lock nut This adjustment is necessary before adjusting manual control valve to neu tral position and is not to be considered a final adjustment Filling worm housing is very important since there is no hydraulic connection between the worm and gear housing Add type oil to the worm housing through the worm housing filler hole Keep gear assembly in a level posi tion to facilitate filling Install worm housing oil filter plug and tighten to equivalent of 50 inch pounds torque 19 ADJUSTING COAXIAL GEAR ASSEMBLIES Removed a Valve Neutral Position Connect test hoses to hydraulic pump on car and to steering assembly Remove oil reser voir cover Start engine and operate at idle Fill reservoir to level mark and allow system to warm up Oil level must be maintained above filter while hydraulically centering valve Insert manual control valve centering tool slotted end fir
85. til bubble is cen tered between two lines on spirit level Do not disturb this gauge setting Turn front wheels to left until left wheel has turned more than 20 degrees past straight ahead position Back off to exactly 20 degrees Adjust primary screw until bubble centers in spirit level The reading on 40 degree 437 scale on gauge will be caster angle Read ings from zero toward wheel indicate posi tive casters Readings from zero away from wheel indicate negative reverse caster 40 MEASURING TOE Front wheel toe should be checked with a suit able gauge such as Tool C 695 1 2 3 4 5 Raise front end of car until front wheels clear the turntables Spin front wheels and scribe broad chalk lines on center tread all around tire Use a pointed tool to scribe a fine hairline within the broad scribed chalk line With front wheels straight ahead lower car until full weight rests on the turn tables This allows free movement of wheels to settle into the normal position they would assume when car is in motion After car has come to rest on turntables use Tool C 695 to measure at hub height the distance between points A and be tween points B of front and rear of front wheels Fig 77 Distance between points A should not exceed that of points B by more than 14 inch Equal distances be tween points A and points B are pref erable 41 MEASURING TOE OUT ON TURN
86. ting Screw O Ring Installing CHB 469 Flange Upper Housing Used For Pretesting for Hydraulic Leaks 390 STEERING CHRYSLER SERVICE MANUAL TIGHTENING REFERENCE MANUAL STEERING Foot Pounds Steering Gear to Frame Bolts sisi 50 Steering Gear Arm Pitman Lock Bolt 80 Steering Knuckle Tie Rod Clamp 15 Steering Gear Mounting Bracket Bolts 00 ccc eee eee ee nessen 50 Steering Wheel Nut 40 Steering Knuckle Tie Rod End Ball 15 Intermediate Steering Arm Pin 50 POWER STEERING GEAR ASSEMBLY Foot Pounds Pump body to Cover Bons cia Ghee eh 80 85 Pump Reservoir to Pump 12 17 Pump Mounting Bolts esas dS 18 23 Pump Reservoir Mounting 30 35 Steering Knuckle Arm Nuts Brake Anchor 55 75 Steering Gear Arm to Shaft 100 125 Steering Arm to Transverse Link 50 55 Steering Gear Assembly Mounting to 65 70 Steeri
87. up through the dash panel into the jacket Install housing to frame attaching bolts flat washers swivel washers and nuts but do not tighten Swivel washers permit alignment of housing to dash Slide steering column jacket down over worm housing Install turn signal lever being sure column jacket does not restrict lever Tighten jacket to Coaxial housing clamp Connect turn signal wires Install steering column to instru ment panel bracket and install steering wheel If clearance between steering column jacket and steering wheel is less than 1 inch adjust steer ing column jacket to provide proper clearance Install dust pads and retaining plates Tighten front upper and lower gear housing to frame attaching bolts to 20 foot pounds torque Install wedge over rear bolt between housing and frame so that tapered surfaces match tapping it lightly in place Tighten three attaching bolts to 70 foot pounds torque Install horn ring and horn wire in steering wheel and install horn ring ornament Connect hoses from steering gear to hydrau lic pump 21 ADJUSTMENTS OF COAXIAL GEAR Installed Adjusting Manual Control Valve Centering Hydraulically In Car Where it is difficult to rotate the steering wheel in one direction but not in the other direction or where the wheels turn gt 86 8 4 VSLOXZS gt 4 5 MADS
88. used by looseness of attaching screws After tightening these screws if leak continues inspect for dam aged gasket nicks or burrs on the gear housing and cover Replace gasket Leaks Around Gear Shaft Cover Attaching Screws Two of these screws have neoprene seals on them while the one adjacent to the engine is used in a blind hole and does not require a seal Be sure the seals are installed on the proper screws Replace seals as required Leaks Around Threads Of Gear Shaft Adjust ing Screw This is usually caused by a damaged ring Remove cover and replace adjusting screw O ring 28 NOISE ORIGINATING IN POWER STEERING UNIT a Squealing Noise High Pitched This type of noise may in some instances be caused by slippage of the upper generator drive belt or the lower fan belt If so it will be notice able while turning the steering wheel Should this noise occur while releasing the steering wheel from a high load to a low load particularly on right turns it may be vibration set up by the control valve rod STEERING 429 To correct this condition install a new type valve rod adjusting disc The new adjusting disc is counterbored on the lower surface If the noise still exists after installing a new disc it may be caused by air in the hydraulic system Operate the steering gear sufficiently to be sure that all of the air is bled out It may be necessary in rare instances to replace the piston a
89. ushings when installing rotor insert rotor and shaft assembly with coupling end first into pump body Insert outer rotor into pump body Coat the seal ring with Lubriplate and position on pump body Place S TEERING 427 cover in position on pump body and install the five attaching bolts and lockwashers Tighten to 35 foot pounds torque Tap coupling flange on pump shaft until it bottoms and install special square washer screw and lockwasher Using tool to hold coupling as shown in Figure 69 tighten screw to 12 foot pounds torque To attach reservoir to pump coat the O seal rings with Lubriplate Install the two large and two small rings on the reservoir mounting surface of pump Place reservoir on pump install filter standpipe stud and two reservoir to pump attaching screws Tighten screws to 17 foot pounds torque Install filter element and tighten filter retaining screw assembly until it seats on the screw shoulder Install cover to keep dirt out of pump until after it has been installed on generator 26 FRONT WHEEL ALIGNMENT Refer to Front Wheel Alignment procedures in this section SERVICE DIAGNOSIS 27 LEAKAGE THROUGH VENT IN UPPER HOUSING Signs of oil at the upper housing vent hole does not necessarily indicate that an internal seal is causing the leaking Make the following checks before disassembly of the unit Overfilling of the upper housing If an upper housing has recentl
90. wheels in straight ahead position and at tach gauge to left wheel as explained in Step 4 Turn wheels to right repeating Steps 6 7 8 and 9 as outlined above NOTE When the king pin inclination is found to be other than shown on the special chart it is an indication of bent frame steering knuckle support or control arm Correction should be made by straightening the frame as required or by replacing the damaged parts 38 CHECKING CAMBER 1 Be sure king pin inclination 614 to 8 degrees on Model C 70 and 5 to 614 degrees on all other models is correct Refer to Paragraph 36 King Pin Inclination Place front wheels in straight ahead position with weight of car on wheels and front end of car level 2 With gauge assembled on wheel as shown in Figure 75 adjust secondary screw on quadrant assembly so that pointer which is just above the spirit level is on scratch mark 8 Adjust primary screw so that spirit level bubble is centered 4 Take camber reading in degrees on scale Use 60 degree section of scale on quad rant assembly of gauge for checking cam ber If wheel is not true turn it 180 degrees and take another reading Average the two readings to obtain camber angle 5 Readings from zero toward wheel indicate positive camber Readings from zero away from wheel indicate negative or reverse camber 6 Check camber of opposite wheel in the same manner 39 CHECKING CASTER 1 Be
91. y be caused by improper assembly of the upper column jacket bearing The prongs of the jacket should be staked over the outer bearing race so that the distance from the end of the jacket to the upper or outer sur face of the staked prong is 08 inch or approxi mately 4 inch If the bearing is not assembled properly the column bearing spring is not loaded sufficiently and causes one of the above conditions 29 IMPROPER STEERING a Wander Steering Wheel Free Play To determine whether or not this condition is caused by the Power Steering unit proceed as follows With front wheels in the straight ahead position and resting on the floor start engine and with a very light touch move the steering wheel to check free play Free play should not exceed 5 inch It requires careful checking to determine the exact amount of steering unit free play without any movement of the steering linkage If it has been accurately established that the free play exceeds 5 inch the cause may be one of the following Gear shaft adjustment too loose Steering tube coupling screw loose Worm bearing pre load adjustment too loose Excessive worm shaft end play in the con CHRYSLER SERVICE MANUAL nector assembly Replace worm and connector as an assembly if any end play is detected If steering wheel free play does not exceed 5 inch it is an indication that the condition is caused by one of the following Steering gear arm nut loose on gea
92. y been refilled oil may seep out the vent hole due to expansion after the gear has been operated If a unit has recently been installed it is pos sible that in handling some oil may have become trapped in the vent passage and may drain as the gear is operated If doubt exists as to whether internal seal leakage is causing a leak at the vent or whether it is caused by one of the above conditions make the following check Insert a pipe cleaner or a similar absorbent object into the vent to absorb any oil that may have been trapped in the vent passage Start the engine and rotate the steering wheel from right to left holding it against the wheel stop for a short time Do not exceed 1400 engine r p m or hold the wheels against the stops longer than 15 seconds If the oil does not come out the vent during this test there is no need for further corrective work There is however a rare possibility that the neoprene plug could have been lost from the vent package inside the housing and caused the loss of all the oil in the upper housing NOTE If it is not necessary to add oil to the reservoir between checking periods of 1 000 miles it is a good indication that there is not seal leakage but a normal amount of seepage brought about by expansion of the oil during gear operation 428 STEERING 55x178 Fig 70 C 3469 Installed If the oil is coming from the vent while mak ing the test remove the unit place

MANUAL STEERING DATA AND SPECIFICATIONS

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