340 - 1956 Studebaker Golden Hawk Owners Register
Contents
1. STUDEBAKER PACKARD CORPORATION Wr He J Symon General Servine Department Studebaker Packard Corporation South Bend Ind SS Semce Bulletin AUGUST 1958 NO 340 Studebaker and EE Dars aA SPEEDOMETER CORRECTIVE SERVICE Speedometer service s usually required because of one or more of the following complaints 1 Speedometer fails to register speed or mileage 2 clicking jerky or oscillating indicator nand and 3 inter Mittent loud or steady high pitch noise 1 SPEEDOMETER FAILS TO REGISTER Failure to register may be Caused by a broken cable or a faulty instrument The breaking of the cable can be caused by 2 Normal wear and fatigue bd Lack of lubrication c Kinks or sharp bends tn the conduit due to improper installation or shifting of the Conduit during operation Breakage most frequently occurs at the sharp bend in the vicinity of the fire wall or where it passes below the body enroute to the trans mission Always check the conduit to make Sure it has not rubbed through or is not broken at the point of failure of the cable Conduit which has been rubbed through by its contact on a clip where the clip has been turned out of position causing a sharp bend or against the body d A locked up speedometer Check the speed ometer head by installing a short section of a drive cable into the drive square of the speedometer and roll the extended piece of the cable back and forth2. Fig 5 6 BULLETIN AUGUST L yer i ji 0 i Fig 5 Loosen the lever clamp screw just enough so that the lever will rotate the shaft but will turn on the shaft if the shaft is held Rotate the lever forward toward the front of the car until it is horizontal Rotate the lever in the opposite direction toward the rear of the car until the valve is closed and against the throttle valve spring Do not compress the spring Without compressing the spring rotate the lever still farther toward the rear until a piece of rod or pin 3 16 in diameter can be inserted through the holes in the lever and relay rod See Fig 5 Continue rotating the lever toward the rear until the pin becomes snug in the holes Tighten the lever clamp screw and then connect the relay rod using the clevis and cotter pin ACCELERATOR RELAY ROD TO CROSS SHAFT ADJUSTMENT The kickdown spring loaded stop plunger was discontinued during the 25th series production When making linkage adjustments on the 24th and 25th Series cars the spring loaded stop plunger Should be removed and discarded The relay rod Should be adjusted so that the kickdown can only be accomplished when the accelerator is pressed hard to the floor Adjust at the relay rod turnbuckle on the left side of the engine near the attachment at the cross shaft AUGUST SERY TCE ULTRAMATIC THROTTLE CONTROL ROD ADJUSTMENT ALL MODELS Because of the shape of this r
3. between the hands to determine if the instrument is tied up or binding A speedometer whicn has locked up or does not register should be sent to an authorized speedometer Service station for repairs e k 2 CLICKING ERRATIC OR OSCILLATING INDICATOR HAND This type of operation is usually caused by Kinks or sharp bends in the conduit and is G OOD SERVICE CREATES SOUTH BEND 27 INDIANA STUDEBAKER and PACKARD IMPROVED SUPERCHARGER PLANETARY OUTPUT DRIVE ELEMENT SET 57H K 57L AND 58H K MODELS e e o s sa seo NOISY WATER PUMPS 1955 56 PACKARD AND 56J STUDEBAKER MODELS e s e e SHOCK ABSORBER NOISE 1957 58 PASSENGER CARS e e ow SPEEDOMETER CORRECTIVE SERVICE SUPERCHARGER AIR CYLINDER PISTON 5S7H K 57L AND S8H K MODELS STUDEBAKER BRAKE LINING 58G Y1 TAXICAB e TRANSMISSION OVERDRIVE GOVERNOR COVER AND GASKET KITS FOR SERVICE 1958 MODELS e e ww ew we PACKARD AIR CONDITIONING RELAY 1953 54 PACKARD MODELS FRIGIDAIRE UNITS CYLINDER BLOCK AND PISTON ASSEMBLY PACKARD STRAIGHT EIGHT ENGINE e REAR AXLE TORQUE ARM AND SHOCK ABSORBER BRACKET 55TH SERIES PACKARD e ULTRAMATIC LINKAGE ADJUSTMENTS 24TH 26TH AND 54TH SERIES PRIOR TO GEAR START WYP Baw wi CKA aa a ae ULTRAMATIC LOCKING IN PARK 1954 56 MODEL PACKARD GEAR START TYPE e ULTRAMATIC THROTTLE CONTROL ROD ADJUSTMENT ALL MODELS s sesoses ULTRA
4. engine should idle at 375 rpm in H high range with the parking brake applied Correct adjustments cannot be made with worn or binding linkage The control linkage and throttle linkage should operate freely Replace the linkage with new parts if they are worn and free up all points of pivot before attempting to make adjustments Be sure the carburetor choke is fully released in the wide open position SELECTOR CONTROL LINKAGE ADJUSTMENT Place the steering column selector lever in L Low Range position Be sure that the detent plunger is locked in its well Adjust the selector rod turnbuckle so the steering lever stop pin is 030 040 away from the stop on the bracket See Fig 2 Tighten the turnbuckle lock nut Recheck the lever in the other positions Shifts to N Neutral R Reverse and P Park should be made without permanent overtravel when contacting the stops a BULLETIN No 340 CONTROL VALVE ADJUSTMENT To adjust loosen the detent lever cap screw indicated by the arrow Set the detent lever in the reverse position Set the control valve to the 5 16 dimension using a scale and tighten the detent lever cap screw to 50 ft lbs torque See Fig 3 Fig 3 The control lever shaft should have approxi mately 045 end play this is governed by the position of the detent lever It may be necessary to loosen the cap screw and move the detent lever on the shaft to obtain
5. race are specially heat treated to pro vide longer service life The new drive element set is interchangeable with Part No 1542961 SUPERCHARGER AIR CYLINDER PISTON 57H K 57L AND 58H K Model We have in Parts Depots stocks a quantity of Air Cylinder Pistons Part No 1542920 which have eight 1 4 diameter vent holes drilled in the piston hub instead of the two 1 4 diameter holes normally used This should cause no concern Investigation has shown that the additional holes in no way BULLETIN No 340 effect the operation of the piston and it is entirely satisfactory for service meee Sob aks EEE TRANSMISSION OVERDRIVE GOVERNOR COVER AND GASKET KITS FOR SERVICE 1958 MODELS Two new governor cover and gasket kits have been released for servicing the 1958 overdrive control governors Also the overdrive governor cover gasket is released as an addi tional service part Following are the new part numbers of the kits and gasket Part No 1547890 Overdrive Governor Cover and Gasket Set For servicing Part No 1545213 Governor used on the 1958 G with 4 55 or 4 56 rear axle ratios This governor and cover is identified by the TGE 4019 stamped onto the governor cover Part No 1547891 Overdrive Governor Cover and Gasket Set Used for servicing Part No 1545214 Governor used on the 1958 G with 3 54 4 09 and 4 10 rear axle ratios also all 1958 B H and L models This governor and cover is i
6. service information affecting shift pattern in 1955 and 1956 models with Twin Ultramatic Transmission 55TH SERIES Unexpected or unwanted kickdown into low Tanze converter range when driving at full throttle or near full throttle position may he encountered in some 55th Series Twin Ultramatic Transmissions EXTENSION KIT 474305 92 on Because of the stack up of tolerances in the throttle linkage and adjustments the throttle valve kickdown position is being reached before the carburetor throttle valves are fully open Fig 7 To take care of the slight variations the linkage geometry can be changed by installing an extension on the throttle control cross shaft lever as shown in Fig 7 After installing the extension readjust all of the linkage as described on pages 52 and 53 in the Twin Ultramatic section of your 1955 56 Service Manual Under Adjusting Accelerator Linkage 55th 56th Series in this article is described an easy method for checking and setting the linkage in the engine compartment Part No 474305 Carburetor Control Cross Shaft Lever Extension Kit is available from your Parts Depot No 340 SERVICE EXTENSION KIT 474305 55TH SERIES AND EARLY 56TH SERIES Some early 56th Series cars had the 55th Series throttle lever A as shown in Fig 8 Some of these may be equipped with Extension Kit Part No 474305 depending on unwanted kickdown or too easy a squeeze out with wide o
7. IC TRANSMISSIONS WITH PACKARD STRAIGHT EIGHT MODELS Prior to Gear Start Type The Ultramatic transmission prior to gear Start type used on most straight eight models may cease to function or drive in any forward position of the selector lever but will operate in reverse This malfunction may come on instantly even when the vehicle is in forward motion The malfunction may be due to the front pump relief valve This valve is located in the lower rear part of the flywheel housing just ahead of the attaching flange of the transmission housing The valve may be sticking in the bore of the housing The front pump relief valve and spring may be removed after removing the relief valve re tainer plugs at each end of the relief valve bore If it is a chronic case or repeated sticking occurs in spite of careful cleaning and free ing up of the valve it may be necessary to install a new flywheel bell housing Some 1953 models 26th Series have 025 oversize front pump relief valves and these are identified by an O stamped on the outer surface of the relief valve retainer ULTRAMATIC LOCKING IN PARK 1954 56 Model Packard Gear Start Type Please make a note of this article in your 1951 54 and 1955 56 Packard Service Manuals This condition may occur with either the manual or push button type of control valve shift There are several factors in this problem all must be checked and complete corrections made in ordertosec
8. MATIC THROTTLE LINKAGE ADJUSTMENT GEAR START TYPE u m a u a a u a ne ULTRAMATIC TRANSMISSION WITH PACKARD STRAIGHT EIGHT MODELS PRIOR TO GEAR START TYPE aggravated by the lack of lubrication The lubricant loss may result from excessive pressure of the drive cable against the conduit at the sharp bend or kink which would also lead to a broken cable if the condition exists for a long time AS the cable is long and flexible it will windup between the driving force end and the point of binding and when it winds sufficiently to overcome the resistance of the bind it will break loose with an accelerating force This CUSTOMER G O O D W IL L E No 340 SERYV i CE will in turn then cause the wide fluctuation of the indicator hand As the cycle of erratic action repeats the indicator will produce a jerky or erratic action with regularity There nay also be a clicking noise along with this type of speedometer drive action A small brass ferrule is crigped to the cable about 1 from the instrument end If this ferrule ts not square and concentric with the cable it will be noted that the 1 section extending beyond the ferrule will whip or run out When engaged to the instrument this condition can cause a clicking noise A hard spot in the cable can also cause a noise condition This can be determined by removing the cable and laying it out in a full loop with the ends crossed Turning 1t from one end in both directi
9. dentified by the TGE 4018 stamped onto the cover The chassis parts catalog currently lists Part No 1544567 as a Governor Cover and Gasket Kit for the 1958 models Since this part number does not properly identify the governor cover and gasket it is being canceled Part No 1544567 is being superseded not substi tuted by the above numbers We are also releasing Part No 1547892 Gasket Overdrive Governor Cover as an individual service part BRAKE LINING 58G YI TAXICAB In response to requests from taxicab operators Johns Manville brake lining 1105 is now used as standard on the 58G Y1 taxicab This change entered production with Serial Number G 1426619 For service front and rear shoe and lining sets will be furnished under the following part numbers Part Number Nare 1547347 1547348 Shoe and lining set front Shoe and lining set rear 3 No 340 SERVICE SE Veh AIR CONDITIONING RELAY 1953 54 PACKARD MODELS Frigidaire Units Please make a note of this article in your 1951 54 Packard Service Manual Air Conditioning Relay Assembly Part No 439453 is no longer available and is superseded by Assembly Part No 6484059 The Relay Part No 439453 used five terminals whereas Relay Part No 6484059 has only three This means that when using the latter assembly the wiring hookup must be changed Relay 6484059 has an internal ground this eliminates the ground terminal that formerly conn
10. e lever at the right rear side of the transmission on all model Twin Ultramatics see the instructions on page 52 of the 1955 56 Packard Service Manual Also the complete instructions for adjusting the throttle linkage on the 1954 models Packard Straight Eights equipped with Twin Ultramatic CYLINDER BLOCK AND PISTON ASSEMBLY PACKARD STRAIGHT EIGHT ENGINE Please make a note of this article in your 1951 54 Packard Service Manual We have reports that attempts have been made to use the Packard straight eight block and piston assembly Part No 458220 in place of the assembly Part No 436705 This should not be done Part No 458220 is for the 359 cu in displacement engine and Part No 436705 is for a 327 cu in displacement engine If the 327 cu in engine crankshaft rods and cylinder head are used in Part No 458220 the pistons stop farther from the top of the bore because of the shorter stroke The displacement is of a lower capacity resulting in less power and the carburetor is also out of calibration for that assembly STUDEBAKER PACKARD CORPORATION SOUTH BEND 27 INDIANA PRINTED IN U S A
11. ected to the braided ground wire The wire from the right hand blower switch connects to the L or load terminal on the relay The two Wires formerly connected to SW or switch terminal on the opposite side of the relay from tne L terminal connect to the C terminal The wire from the ignition switch connects to the B terminal as does the remaining loose wire orange that connects to the air conditioning Off On switch If good ground is not obtained a ground wire may be installed on one of relay base attaching screws REAR AXLE TORQUE ARM AND SHOCK ABSORBER BRACKET 55TH SERIES PACKARD Please make a note of this article in your 1955 56 Packard Service Manual When the stock of Rear Axle Torque Arm and Shock Absorber Bracket Part No 445350 left and 445351 right for the 55th Series Packard is exhausted the following parts will be sub stituted For Part No 445350 1 6489119 Bracket Rear Axle Torque Arm and Shock Absorber Left 6480022 Stud 1 G442832 Nut For Part No 445351 1 6489120 Bracket Rear Axle Torque Arm and Shock Absorber Right 1 6480022 Stud 1 G442832 Nut BULLETIN AUGUST When the new bracket and stud are installed on a 55th Series the shock absorber lower eye is mounted on the forward side toward the front of the car of the lower mounting stud and bracket and becomes an installation iden tical to the rear shock absorber installation on the 56th Series ULTRAMAT
12. h either water or permanent type anti freeze SHOCK ABSORBER NOISE 1957 58 Passenger Cars Please refer to the article on page 4 of Service Bulletin No 336 and on page 2 of Service Bulletin Wo 338 REAR SHOCK ABSORBERS With reference to alignment of the rear shock absorbers and bushing replacement as covered by the articles in Service Bulletin Nos 336 and 338 Figure 1 provides a sketch of a Suggested tool that may be easily fabricated for bending the rear frame cross member when such procedure is required to obtain satis factory rear shock absorber alignment FRONT SHOCK ABSORBERS Cancel the instructions given under the heading Front Shock Absorbers in Service Bulletin No 336 Front shock absorbers having the forked type lower mounting bar will have to AUGUST SERVICE be replaced if they develop an objectionable knock or chuckle REAR SHOCK ABSORBER FRAME CROSS MEMBER BENDING BAR 7 716 INSIDE DIAMETER H2 a HEAVY WALL TUBE 174 81 2 WELD PLATES SSS SSS ABOUT 30 11 4 OUTSIDE DIAMETER HEAVY WALL TUBE OR PIPE mire Fig 1 Q IMPROVED SUPERCHARGER PLANETARY OUTPUT DRIVE ELEMENT SET 57H K 57L AND 58H K Models An improved supercharger planetary output drive element set has been released for service under Part No 1548351 The new drive element set Part No 1548351 includes the same service items as furnished in Part No 1542981 However the drive balls and inner
13. le The upper section of the cable will receive sufficient lubrication by the lubricant which clings to the inside of the conduit when the 2 BULLETIN AUGUST cable is slipped through the conduit Avoid overlubrication as excessive lubricant at the speedometer end say work into the speed ometer head since excess lubricant will work upward Lubricant in the speedometer will cause it toregister incorrectly and necessitate servicing of the unit New service water pumps are being replaced because of a very noticeable growl that sounds Similar to a rough bearing but in most cases the noise is in the seal In some instances several replacements have been made in the same car in an effort to obtain a quiet pump Before installing a new service pump check the action of the seal by easily turning the iapeller for just a short rotation back and forth If tt has a tacky or sticky action submerge the impeller end of the pump in S P Cooling System Rust Resistor or a soluble oil deep enough to get to the seal Then lift the pump up and rotate the impeller to work the fluid into the seal Repeat the operation if necessary until a smooth action or rotation on the seal is obtained Any method that will work the fluid into the seal is satisfactory Following the installation of the new pump add S P Cooling System Rust Resistor to the cooling system when filling the system with coolant The Rust Resistor will work satis factorily wit
14. od it is difficult to determine if it fs bent Its function is to control throttle pressures clutch engagements and upshifts Therefore it is very important that the rod is of proper length Fizure 6 Shows the manner in which the rod should be checked and the proper lengths for the various models ULTRAMATIC THROTTLE LINKAGE ADJUSTMENTS GEAR START TYPE The linkage adjustment for the gear start type Ultramatic transmission for the 54th 55th and 56th Series is covered in the Packard Service Manual The remainder of this article deals with variations and other service infor mation not covered in the manual MAKE THIS CORRECTION IN THE PACKARD SERVICE MANUAL In the last paragraph under Throttle Linkage Adjustment on page 53 below Figure 181 it should read Apply a slight FORWARD pressure etc change the word rearward to forward There is no single item affecting the per formance and durability of the transmission that is of more importance than the proper adjustment of the accelerator linkage The linkage matches the transmission capacity with that of the engine and can materially alter the shift pattern if maladjusted In adjusting the linkage two important settings must be made before attempting any ULLETIN No 340 Other adjustments The engine must be at Operating temperature andoff the fast idle and the engine speed at 450 rpm with the selector lever in the H position We will first cover
15. ons with the fingers it should turn smoothly If a jump or interruption is noted a hard spot or defect in the coiling is indicated and the cable should be replaced 3 HIGH PITCH STEADY NOISE OR LOUD INTER MITTENT NOISE This type of noise is usually a result of a very dry cable and can be corrected only by removal and thorough lubrication of the cable Within the conduit INSTALLATION ALIGNMENT AND LUBRICATION It is important when installing or aligning the cable and conduit that all sharp turns and kinks be eliminated at points where clips are used provide ample radius curves and bends to and from the securing points and at the speed ometer and transmission ends At points where chafing or rubbing of the conduit might occur provide extra protection at such points by liberal application of tape or a suitable pro tective material Secure the Knurled nuts at each end of the conduit snug avoid heavy torquing To install the cable start the cable at the speedometer end turn the cable when the drive end nears the pinion drive gear socket to make sure the drive end engages correctly and the shaft refuses efforts to be turned or rotated When installing a drive cable at the speedometer head make sure the drive end is properly engaged in the speedometer socket and the snall washer is in position if one is used Then snup up the knurled nut Apply lubricant Lubriplate or its equiva lent only tothe lower two thirds of the cab
16. pen throttle If unwanted kickdown or squeeze out is en countered on 56th Series cars equipped with 55th Series lever install the Extension Kit 474305 and readjust the linkage as per the Service Manual All 56th Series cars having the throttle lever as indicated by B in the illustration do not require the extension ADJUSTING ACCELERATOR LINKAGE 55th 56th SERIES The engine must be at operating temperature off fast idle idling at 450 rpm and the Selector lever in the H position Loosen or back off the lock nuts on both sides of adjuster A With the carburetor idle speed adjusting screw against its stop loosen the lock nut D and adjust the length of the rod to obtain 3 3 8 to 3 1 2 measure ment from the front side of the dash Measure from the bottom of the reinforcement channel in the front side of the dash to the center of the screw in the lever as shown in Fig 9 BULLETIN AUGUST FRONT OF DASH Apply a slight forward pressure on the carburetor transmission cross shaft to adjuster rod F and move up the rear lock nut and tighten Make sure that the alignment of the adjuster is such that it does not cause the lever to bind In the 56th Series with the type of lever as Shown if the kickdown is premature move the adjuster rod into the upper hole in the lever and reset the linkage If flare exists move the adjuster rearward 1 16 to 3 32 To adjust the throttle valv
17. the desired end play When this is done the 5 16 adjust ment should not be disturbed 5 No 340 SERVICE i THROTTLE CROSS SHAFT TO CARBURETOR ROD ADJUSTMENT To check or adjust cross shaft to carburetor Tod the choke must be wide open and the carburetor at low idle Block the carburetor choke if necessary to be sure it is in the open position When the carburetor throttle rod is properly adjusted the end of the short bend at the rear of the rod will protrude through the hole in the cross shaft lever and enter the hole in the gauge PK 364 See Fig 4 The rod can be lengthened or shortened by loosening the lock nut and turning the spring loaded throttle over ride To check the gauge for all 24th 25th and 54th Series except the 54th Series equipped with a 359 cu in engines the measurement from the base or lower flat surface of the gauge to the center of the hole for the end of the carburetor rod must be 2 3 4 All 54th Series equipped with 359 cu in engines Models 5406 26 31 the measurement from the flat lower base of the gauge to the center of the hole must be 2 17 32 For right hand drive cars the same comparative measurement is 2 Only the very latest PK 364 gauge has the right hand checking hole in the gauge THROTTLE VALVE LEVER This ts a very important adjustment and _ Should never be overlooked Disconnect the relay rod from the throttle lever at the right Tear side of the transmission See
18. ure satisfactory operation Actually what happens when this condition occurs is this The pawl rides up on the high point of the parking gear and becomes wedged The only way it can be released without disassembly is to rock the car back and forth AUGUST SERVICE and this usually requires extreme effort Remove the oil pan and rear extension housing Then remove the parts involved and thoroughly check All worn or sprung parts must be replaced Check for the following 1 Tightness of levers 2 Bent or sprung shafts 3 Worn roller of park operating lever 4 Wear where the roller pin fits through the lever 5 Damaged or worn parking gear and parking lock lever All these parts must provide secure and positive locking depth engagement in the in dentation of the parking gear when the parking lever pawl is engaged The raised section of the parking gear locking pawl that engazes the indentations of the parking gear requires only sufficient clearance at the high points of the parking gear when fully released to insure safe permanent disengagement Excessive clearance would indicate that the locking pawl is not Making maximum engagement when it is in the locked position of the parking gear ULTRAMATIC LINKAGE ADJUSTMENT 24th 25th 26th and 5th Series Prior to Gear Start Type Before any adjustments are made on the Ultramatic transmission the engine and trans mission should be at operating temperature and the
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