PROPELLER SHAFT AND UNIVERSAL JOINTS
Contents
1. 16 8 SUBTRACT SHIMS 58x706 Fig 14 Bubble Location Rear of Center flange from the transmission flange 2 Remove the rear universal joint clamps from the rear axle pinion shaft yoke If the bushing re tainer is holding the bushings on the cross it is not necessary to remove the bushings 3 Remove the center bearing housing bolts and remove the shims from under the housing 4 Remove the propeller shaft as an assembly toward the rear of the vehicle Installation 1 Insert the forward section of the propeller shaft assembly over the body crossmember and connect the front universal joint adapter flange to the trans mission flange Tighten the retaining nuts to 32 foot pounds torque 2 Connect the rear universal joint to the pin ion yoke Tighten the clamp bolts to 170 inch pounds torque 8 Position the shims under the center bearing housing install and tighten bolts to 35 foot pounds torque 8 CENTER BEARING The center bearing is packed and sealed and needs no further lubrication To service the center bear ing remove the propeller shaft assembly as described in Paragraph 7 Disassembly 1 Thoroughly clean the center bearing housing Note the index marks on the rear of the front shaft and matching mark on the shoulder of the uni versal yoke Fig 7 2 Straighten the tab of the star washer and un screw the cap or the seal retainer 3 Remove the star washer and slinger2. The quiet smooth operation of the propeller shaft and universal joints depends upon proper alignment The propeller shaft and rear axle housing angles may be measured by using an alignment measuring gauge Tool J 6485 with the vehicle in a level position and no additional weight except the fuel tank must be full CLAMP BREATHER CAUTION The vehicle must be supported by the wheels or front suspension lower control arms and rear axle housing Do not use a frame contact hoist for measuring propeller shaft angularity 1 Use a twin post hoist or drive on hoist pit wheel or frame alignment rack Level the vehicle Measure the level at underside of the body sill at the center of the front door BALL AND ROLLER SPRING y i ER BUTTO BODY AN WASH a BALL AND F i BUTTON COVER 63x572 Fig 1 8Ball and Trunnion Universal Joint Disassembled View PROPELLER SHAFT AND UNIVERSAL JOINTS 16 3 Fig 2 lnstalling the Tapered Wedges 2 Remove the rebound plate and bumper as sembly from the top of the differential carrier hous ing 3 Hold the gauge Tool J 6485 on the machined surfaces of the rebound plate bosses Fig 9 Ad just the gauge to center the bubble in the spirit level NOTE Each time the gauge is used the level must be on the same side of the propeller shaft 4 Hold the gauge on the underside of the pro peller shaft near the rear universal joint Fig 10 and ch
3. sembly Remove the universal joint bushings 2 Remove the retainers and press the bushing out of the shaft yoke by pushing the opposite bush ing in 3 Remove the remaining bushing by pushing on the opposite end of the cross 4 Remove and discard the old seals from the bushing seal retainers Do not remove seal retainers from tbe cross 5 Using a small screwdriver lightly pry the roller retainers out of the bushings and remove the rollers 6 Thoroughly clean and air dry all parts and inspect for worn pitted or brinelled surfaces Assembly 1 Coat the inside of the bushings lightly with universal joint grease and line the inside circumfer PROPELLER SHAFT AND UNIVERSAL JOINTS ence of the bushings with rollers Care should be taken that all of the rollers are reinstalled Reinstall the roller retainers 2 Pack the universal joint grease between the rollers of all four bushings and fill the reservoirs in the ends of cross Install new seals 3 Place the cross in the rear propeller shaft rear yoke and insert the roller and bushing assemblies in the yoke Press the assemblies into the yoke while 16 9 guiding the cross into the bushings then install the bushing retainers Assemble the front yoke splined yoke to the rear propeller shaft in the same manner 4 Install the cross roller and bushing assemblies in the front propeller shaft front yoke in the same manner as described in Step 3 5 Place
4. 4 Pull the yoke seal retainer and seal from the front shaft 5 Remove the bearing and housing from the front shaft front slinger may be left on shaft PROPELLER SHAFT AND UNIVERSAL JOINTS 6 Press the bearing from the housing 7 Remove the seal and retaining cap from the yoke Assembly Fig 7 1 Clean the lubricant from the internal splines in the front shaft and repack with one ounce of Molydisulphide lubricant Install the slinger ring on the front shaft 2 Install the bearing in the housing and place on the front shaft 3 Install the slinger and the star retaining washer 4 Lubricate the inside of the grease seal and install the retainer and seal on the yoke Care should be taken to prevent the splines of the yoke from damaging the seal 5 Align the index marks of the shaft and yoke and install the yoke 6 Tighten the retaining cap sufficiently to com press the seal firmly on the shaft of the yoke and free enough to permit hand movement of the yoke back and forth in the front shaft Lock the retain ing cap by bending the tab of the washer into the notch in the retaining cap 7 Install the propeller shaft assembly in the car as described in Paragraph 7 9 UNIVERSAL JOINT TY 1 Disassembly 1 Straighten one end of the bushing retainer strap and remove it from the bushings The uni versal joint bushing retainer strap is used to hold the bushings on cross during assembly and disas
5. the opposite bushing 3 Press the remaining bushing out by pressing on the end of the cross assembly 4 Remove the cross from the yoke The cross and seal retainers are serviced as an assembly Do not remove the seal retainers from the cross Cleaning and Inspection 1 Clean the parts in kerosene mineral spirits or other suitable solvents and dry with compressed air 2 Examine the bearing surfaces of the cross and bushings The surfaces should be smooth free from pits and ripples If the dust seal retainers are damaged replace the assembly 3 Examine the roller bearings in the bushings The bearings that have operated on a worn cross assembly should be replaced The bearings should have a uniform appearance and should roll freely inside the bushings PROPELLER SHAFT AND UNIVERSAL JOINTS Assembly 1 Force fibrous universal joint grease between the rollers in all four bushings Fill the reservoirs in the ends of the cross 2 Place the cross in the propeller shaft yoke and insert the roller and bushing assemblies in the yoke 16 5 3 Press the roller and bushing assemblies into the yoke while guiding the cross into both bushings 4 Press until both bushing retainers can be in stalled in the grooves in the bushings 5 Position the other two bushings on the cross and install the retainer strap to hold the bushings on the cross during installation in the vehicle PART Il TWO PIECE PROPELLER SHAFT AN
6. D UNIVERSAL JOINTS MODELS TY 1 The Imperial two piece propeller shaft has three cross and roller type universal joints Fig 6 The shaft is supported by a ball bearing located ahead of SEAL RETAINER ICE p SEAL e RETAINER k J BUSHING petane N E Ou RETAINER SEAL BUSHING WASHER the center universal joint Fig 7 When the vehicle is in motion the middle universal joint is free to slide fore and aft inside the splines of the front section of the shaft f rt 4 RETAINER p SEAL On BUSHING 63x571 Fig 6 Cross and Roller Universal Joint Disassembled View 16 6 PROPELLER SHAFT AND UNIVERSAL JOINTS SERVICE PROCEDURES 5 PROPELLER SHAFT ANGULARITY Before measuring the propeller shaft angularity the vehicle should have the weight of a full tank of fuel Measure the shaft indexing Fig 7 by prying the tank of the retainer out of the seal cap and unscrew ing the cap The 0 mark on the splined yoke should be lined up with the keyway in the shaft 1 Place the vehicle on a level platform with the weight of the vehicle on the wheels 2 Remove the differential carrier rebound bump er plate 3 Remove the shims from both rear axle con trol strut frame brackets Fig 8 4 Hold the aligning gauge Tool J 6485 on the machined pads of the differential carrier and adjust the gauge to center the bubble Fig 9 NOTE Each time the gauge is used the l
7. PROPELLER SHAFT AND UNIVERSAL JOINTS 16 1 GROUP 16 CONTENTS Page Page Ball and Trunnion Universal Joint 008 4 Propeller Shaft TY 1 0 0 0 0 0 cece eee ee eee 7 Center Bearing TY 1 0 cece ever ere e teeters 8 Propeller Shaft Angularity TC 1 TC 2 TC 3 2 Center Bearing Height TY 1 2000 0000 7 Propeller Shaft Angulority TY 1 055 6 Cross and Roller Universal Joint 4 4 Service Diagnosis clie nnn 9 Propeller Shaft TC 1 TC 2 TC 3 00 000 00 3 Universal Joint TY 1 losses 8 SPECIFICATIONS PROPELLER SHAFT DIDI AC EI TC 1 TC 2 TC 3 Length Ball and Trunnion Joint Pin Centerline to Cross Centerline 58 85 Diameter TC 1 TC 2 Std Trans lues esee sss VoL eT RAD 3 00 TC 1 TC 2 TC 3 Auto Trans 0 0 0 cece eee eee eee 2 75 UNIVERSAL JOINTS Front Joinl c sie es eerie a ek aes Sole bh eke yaa bead cael ba Gakuin Ball and Trunnion Rear Joint vies VIP Pet sie ee Fhe le Sle VET bela T Race the Cross Type Lubrication ecelesie E din ee RE a a ipee Uds reps ei era See Group O Lubrication and Maintenance PROPELLER SHAFT Models 51 eee duret an Monasteria s eto ende eue Ee Set ec gate Piu Y TY 1 Length Front Shaft Cross Centerline to End of Spline 000 2000 e ee 25 82 Rear Shaft Cross Centerline to Cross Centerline 2 0 0 0 e ee eee 33 06 Diameter Both Shafts 00 0 cca ccc
8. c ee eese aee hh ht ehh 2 75 UNIVERSAL JOINTS Front Center and Rear onia anan aa e oi EE hh hn Cross Type Lubrication nean ever zv vd oE AEA SU aren d aw may edad earls Ma eder eK s See Group O lubrication and E Maintenance TORQUE REFERENCE Foot Pounds Inch Pounds Center Bearing Housing Nuts 0 2 eect nh here 35 Front Companion Flange Nuts AS IMEEM E 32 Rear Clamp Boll eso dbs liileR E Dead do SORE riu per Re RE Re Paes 170 Rebound Bumper Plate Bolts 0 0 0 e cece eee ee th 200 Rear Spring U Bolt Nuts 2 ccc eee cee teen hh Hm 55 16 2 PROPELLER SHAFT AND UNIVERSAL JOINTS GROUP 16 PROPELLER SHAFT AND UNIVERSAL JOINTS PART MODELS TC 1 TC 2 TC 2 300J TC 3 The Chrysler propeller shaft has a ball and trun nion type universal joint at its forward end Fig 1 and a cross and roller type universal joint at the rear Fig 6 All working parts are sealed against road splash dust mud and water The front joint is equipped with a polished jute breather The breather length ens the life of the boot by decreasing the flexing action due to variations of air pressure within the assembly as the shaft moves back and forth in the joint body The universal joints are permanently lubricated however if the joints are disassembled for any rea son they should be inspected and repacked with Spe cial Lubricant Part No 2298947 SERVICE PROCEDURES 1 PROPELLER SHAFT ANGULARITY
9. drum assembly Tighten the retaining nuts to 35 foot pounds torque 2 Align rear of propeller shaft with the pinion yoke and position the roller and bushing assemblies into the seats of pinion yoke Make sure the bush ings and yoke seats are clean Install the bushing clamps and tighten the clamp bolts to 170 inch pounds torque 3 BALL AND TRUNNION UNIVERSAL JOINT Disassembly 1 Straighten the tabs and remove the grease cover and gasket 2 Push the body back and remove the parts from both ends of the trunnion pin 3 Remove the clamps and loosen the dust cover Remove and save the breather polished jute located between the shaft and the cover 4 Clean and examine the trunnion pin and the raceways in the body for wear If wear in the body can be felt it should be replaced If either part is to be replaced use Tool C 3567 and a hydraulic press to push the pin out of the shaft Cleaning and Inspection 1 Clean the parts in kerosene mineral spirits or other suitable solvents If the pin body and dust cover have not been removed make sure that the body and dust cover are clean inside as well as out side 2 Examine parts for wear or damage The dust cover should be free from cracks and pin holes Assembly When the trunnion pin and body have not been removed a new dust cover can be installed after coat ing al parts with universal joint lubricant Fig 3 and Fig 4 Without using tools stretch the cove
10. eck the location of the bubble in the spirit level The entire bubble should be within three grad uations from center 5 If the edge of the bubble is forward of the third graduation the angle of the rear axle housing should be changed Loosen all U bolt nuts and in UNIVERSAL JOINT PROPELLER SHAFT CENTERING PIN UNIVERSAL JOINT BODY 49x910 UNIVERSAL JOINT DUST COVER OR BOOT Fig 3 Sliding the Cover Over the Ballhead and Pin Fig 4 Working the Dust Cover Through Body stall two degree tapered wedges between both rear springs and the axle housing pads with the thick end of the wedge toward the front of the car Fig 2 Tighten the rear spring U bolt nuts to 55 foot pounds torque 6 Recheck the rear joint angle then install the rebound bumper and plate assembly on the carrier housing Tighten the retaining bolts to 200 inch pounds torque 2 PROPELLER SHAFT Removal 1 Remove both rear universal joint roller and bushing assembly clamps from the pinion yoke Do not disturb the retaining strap used to hold the rol 55PI045 Fig 5 Installing the Trunnion Pin 16 4 ler assemblies on the universal joint cross 2 Disconnect the front universal joint from the transmission flange CAUTION Do not allow the shaft to drop or hang loose on the vehicle from either joint during removal Installation 1 Connect the front universal joint to the trans mission flange and brake
11. evel must be on the same side of the propeller shaft 5 Hold the gauge tool in contact with the pro peller shaft near the rear universal joint Fig 10 The entire bubble should be within three graduations from center 6 If the edge of the bubble is forward of the third graduation the angle of the rear axle housing should be changed Loosen all U bolt nuts and in stall two degree tapered shims between both rear springs and the rear axle housing pads with the thick end of the shim toward the front of the car Tighten the U bolt nuts to 55 foot pounds torque _ 7 Install enough shims to fill the space between the struts and the frame brackets Tighten the bracket bolts 8 Recheck the rear joint angle then install the FRAME BRACKET 57x311 amp HOUSING BRACKET x Fig 8 Rear Axle Control Strut Typical BUSHING SEAL SEAL RETAINER RETAINER PA j e CROSS YOKE f ly f O MARK 4 RETAINER NC 2G c SHAFT SLINGER 4 on BOLT ud BUSHING Nes SEAL HOUSING i RETAINER BEARING RETAINER SLINGER VALVE SHAFT L A p RETAINER RETAINER N 4 SEAL E ov e BUSHING st a KEYWAY P WASHER z WASHER NUT SPACER m Fig 7 Propeller Shaft and Center Bearing Assembly Disassembled View PROPELLER SHAFT AND UNIVERSAL JOINTS Fig 9 Measuring the Angle of the Rear Axle Housing rebound bumper plate assembly Tighten the re taining bolts to 200 inch pounds
12. r over the pin and work it through the body into posi tion on the shaft 1 The trunnion pin must be centered in the PROPELLER SHAFT AND UNIVERSAL JOINTS propeller shaft Use Tool C 3567 in a hydraulic press Pin will be centered when ram contacts the spacer portion of Tool Fig 5 2 Install a thrust washer rollers ball button spring and thrust button on each end of the trun nion pin and position the body over the pin assem bly 3 Position the dust cover on the propeller shaft with the breather polished jute parallel to the shaft Install and tighten the clamp 4 Position the dust cover on the joint body and instaM the clamp 5 Lubricate the universal joint with two ounces of fibrous universal joint lubricant applied evenly in both raceways one half back of the trunion pin and one half between the pin and cover NOTE Two ounces of universal joint lubricant would be about V inch deep if placed on fhe universal joint grease cover Do not use more than the spe cified amount Do not place grease inside the boot 6 Place gasket on the grease cover then position cover on body with tabs at grooves in body Bend tabs to tighten in place 4 CROSS AND ROLLER UNIVERSAL JOINT Disassembly 1 Remove retaining strap and slide the two rollers and bushing assemblies from the cross 2 Remove the retainers from the bushings in the propeller shaft yoke Press one roller bushing out of the yoke by pressing in on
13. sen the spring clamps and re set the spring center bolt i Replace the broken spring j Install the correct spring k Recondition the universal joint Install a new trunnion pin Center trunnion pin correctly or replace using Tool C 3567 m Recondition the universal joint bearing n Recondition the universal joint Jnstall a new housing 0 Install a new propeller shaft a Tighten to specified torque b Inspect and replace worn parts and lubricate with 2 ounces of Multi Milage Lubricant MoPar Part No 2298947 c Replace worn parts loose
14. the remaining bushings on both end crosses and install the retaining straps to hold the bushings in place during installation in the vehicle SERVICE DIAGNOSIS Condition 10 Propeller Shaft Vibration dust boot Chrysler b Undercoating or other foreign material on shaft c Loose universal joint flange bolts d Loose universal joint flange e Bent universal joint flange f Improper height of center Imperial g Improper drive line angularity h Rear suspension spring center bolt not in seat i Broken rear spring j Rear springs not matched k Worn trunnion pin 1 Trunnion pin not centered m Worn universal joint bearings or missing needle bearings n Worn universal joint housing 0 Propeller shaft damaged bent tube or out of balance a Propeller shaft flange nuts b Lack of lubrication 11 Universal Joint Noise c Worn universal joint pin or housing Possible Cause a Excessive grease in the universal joint Correction a Remove all grease and pack a total 2 ounces of Multi Milage Lubricant MoPar Part No 2298947 evenly fore and aft of the trunnion pin in both raceways b Clean propeller shaft and wash with solvent c Tighten the flange bolts d Install a new flange if worn and tighten to specifications e Install a new flange f Correct the propeller shaft angu larity g Correct the propeller shaft angularity h Loo
15. torque 6 CENTER BEARING HEIGHT 1 Hold the gauge tool in contact with the rear propeller shaft near the rear universal joint and ad just the gauge to center the bubble Fig 10 2 Install the gauge adapter on the front pro peller shaft near the front universal joint Wig 11 NOTE The gauge adapter must be used on all Im perial models with or without the frame X member 3 Without disturbing the gauge setting ad justed in step 1 hold the gauge in contact with the bottom of the adapter and the pins on the side of the adapter Fig 12 Note the location of the bub ble in the spirit level NOTE Each time the gauge is used the level must be on the same side of the propeller shaft 4 For each graduation the leading edge of the bubble is forward of center Fig 13 add one shim Fig 10 Measuring the Propeller Shaft Angularity 16 7 Fig 11 Gauge Adapter Installed Convertible Frame Shown Fig 12 Indexing the Gauge io the Adapter Convertible Frame Shown beneath the center bearing support bracket 5 For each graduation the trailing edge of the bubble is to the rear of center Fig 14 remove one shim from beneath the center bearing bracket 6 Tighten the center bearing support bracket retaining bolts to 35 foot pounds torque 7 PROPELLER SHAFT Removal 1 Disconnect the front universal joint adapter ADD SHIMS 58x705 Fig 13 Bubble Location Forward of Center
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