Studebaker-Packard Corporation
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STUDEBAKER-PACKARD CORPORATION SOUTH BEND 27, INDIANA TWIN-TRACTION LUBRICANT All Twin-Traction type rear axle assemblies in- STUDEBAKER PAGE stalled in Studebaker passenger cars and trucks at the AIR CONDITIONING COMPRESSOR SUCTION VALVE- factory use a special Twin-Traction lubricant. 1959-61 Lark Models............................... 5 ALTERNATOR FAN AND PULLEY, LEECE-NEVILLE......... 3 The Twin-Traction axle assembly requires a special ALUMINUM CONNECTING ROD AND MAIN BEARINGS lubricant and only Studebaker-Packard Twin-Trac- FOR THE 6-170 ENGINE HEAVY-DUTY PASSENGER CAR AND TRUCK SERVICE.......................... 4 tion lubricant is recommended when adding or chang- BACK-UP LIGHT SWITCH-1961 Lark LHC Models With ing the lubricant. This is so stated in the current Pas- Std. ond O.D. Transmissions...............3 senger Car Shop Manual and in the Owner’s Guide BRAKE PEDAL SHAFT END PLAY-1961 Lark Models with which comes in each vehicle. Flightomatic Transmission ......................1 CLIMATIZER FRESH AIR CONTROL-1961 Lark Models...... 5 Studebaker-Packard Twin-Traction lubricant is CLUTCH AND BRAKE PEDALS RELOCATED-1961 Lark LHC the very best lubricant that can be used in any Stude- Models................................... 2 COOLING SYSTEM THERMOSTATS-1961 V Models........ 3 baker axle whether it is the Twin-Traction or Stand- CONVERTIBLE TOP PROTECTIVE COVER-1961 Models......6 ard type., In view of the high percentage of Twin-Trac- DIRECTIONAL SIGNAL SWITCH-1961 Models...............3 tion axles being used in production and to avoid in- DIRECT READING AMMETER AND OIL PRESSURE GAUGES . 7 stallation of the incorrect lubricant, we urge all dealers ENGINE DIESELINGG ................................... 4 FRONT DOOR INNER PANELS-1955-58 Models-D and F to use Studebaker-Packard Twin-Traction lubricant in Body Types........................................ 6 all types of Studebaker passenger car axles. HAND BRAKE CONTROL HANDLE-1959-61 Models.........1 HEAVY-DUTY SHOCK ABSORBERS-1961 Model Passenger Cars 2 Studebaker-Packard Parts Depots carry the Twin- OIL BEING FORCED OUT OF OIL FILLER TUBE ASSEMBLY- Traction lubricant in three size containers; the 1 quart 1961 V8 Models.................................... 4 can, the 120 lb. drum, and in the 55 gal. drum size. OVERDRIVE SHIFT FORK PART NUMBER CORRECTION- 1958-61 Models.................................... 4 We further suggest that all dealer’s parts men sell POWER STEERING PUMP REPLACEMENTS................2 the required number of 1 quart cans of Twin-Traction SEAT BACK PIVOT STUD-Models with Split Back Front Seats 6 lubricant to all purchasers of Twin-Traction style rear SEAT CUSHION SPRING ELEMENT...................6 SHIFT INDICATOR LIGHT HOUSING-Auto. Trans.- axle assemblies, differential assemblies or component All Model Passenger Cars.......................... 5 parts of Twin-Traction assemblies. This practice is SPARK PLUG, COIL AND DISTRIBUTOR HIGH TENSION good insurance against possible future problems with WIRES SERVICING-1961 Model Passenger Cars.........3 SPARK PLUG GASKET-1961 Models.....................3 Twin-Traction assemblies and/or component parts of THROTTLE LINKAGE-1961 S Flightomatic Transmission..... 5 the assemblies. TIME GUIDE, CHANGES TO 1957-61.....................6 TORQUE CONVERTORS AND WATER PUMP NOISE........ 4 Export dealers see Export Service Letter F-3.2 re- TRUNK LID LOCK HOUSING AND ADAPTER- garding Lubrication, dated Feb. 27, 1961. 1961 Lark Models..........................7 TWIN-TRACTION LUBRICANT........................ 1 TRUCKS BRAKE PEDAL SHAFT END PLAY-1961 lark CLUTCH LINKAGE AND PARKING BRAKE RETURN SPRING LHC INTERFERENCE-6E5, 6E7, 6E10 and 6E12 Models........ 7 Models with Flightomatic Transmission PART NUMBER CORRECTION, 6e Truck-Parts Catalog....7 Plain Washer, Part No. 532035, is now used at each end, rather than one end, of the brake pedal shaft HAND BRAKE CONTROL HANDLE- on the 1961 models when equipped with Flightomatic 1959-61 transmission. Models The additional Washer, Part No. 532035, reduces A hand brake control handle and pin kit have been pedal shaft end play and entered production with ap- released for service under Part No. 1554483. The kit proximate car Serial Numbers 61S-24202 and 61v- consists of a replacement handle and a retaining pin. 19554. Prior to the release of the new handle and pin kit, it To reduce brake pedal shaft end play on models was necessary to install the complete handle and plung- built prior to the above serial numbeis, install an ad- er assembly. ditional Plain Washer, Part No. 532035, between the The hand brake handle can be removed from the bracket bushing and the “hair pin” type lock on the plunger by filing a notch into the plastic handle di- opposite end of the shaft from the presently installed rectly opposite the retaining pin. This will expose the washer. hole for the retaining pin, and the pin may be driven G 0 0 D SERVICE CREATES CUSTOMER G 0 0 D w I L L MAY senuice~Bupppfiu No. 361 out with a punch. The handle can then be removed leaks do not leak when properly assembled to a reser- and the replacement handle pushed onto the rod. voir and then tested. This would seem to indicate that The new pin furnished with the kit should always many of the leaks occur at the “0” ring seals between the pump body and the reservoir, at the reservoir be used to insure proper retention. The holes in the cover gasket, at the pressure line connection, or at handle and the rod should be aligned, and the new the reservoir hose line connection. Oil leaking from pin installed. Care should be used to avoid striking any of these sources will run down in the area of the the new plastic handle during assembly. The new re- pump shaft seal and make it appear that the shaft taining pin should be installed flush with the handie. seal is leaking. Driving the pin beyond flush can damage the handle. Power steering pumps should be repaired as out- lined in the current Passenger Car Shop Manual. Oil seals and other component pump parts are available CLUTCH AND BRAKE PEDALS RELOCATED- from your Parts Depot. 1961 Lark LHC Models When you encounter a noise in the power steering Beginning with approximate car Serial Numbers system, make certain the drive belt is tight, and the 61S-30271 and 61V-24801 on conventional and over- reservoir has a sufficient supply of oil. If the drive belt is tight and the oil supply is correct, the noise can drive transmission equipped cars, the clutch and brake come from either the pump and/or the control valve pedal pads are relocated 1/2" to the left on their re- assembly. Pump and control valve assemblies that spective pedal arms. This pedal pad relocation adds are noisy should be repaired or replaced as required. clearance between the brake and accelerator and re- When you encounter oil leaks in the area of the duces the possibility of inadvertent and simultaneous reservoir pump body on a V8 model that is difficult application of the brake and accelerator. to locate, remove the battery and temporarily block The 1961 Lark models equipped with Flightomatic it up at a point along the side of the engine to the transmission in combination with power brakes also rear of the pump. Then, carefully wipe off the pump have the brake pedal pad moved 1/2" to the left of its body and reservoir, connect the battery and run the former location on the support pedal. This change engine long enough to raise the oil temperature, then started with approximate car Serial Numbers 61S- carefully check for leaks. If a leak exists determine its 30271 and 61V-24801. The late style brake pedal on location, then remove the pump and reservoir assem- Flightomatic transmission equipped cars without pow- bly. The assembly should then be repaired using new er brakes will be used in production starting approxi- seals and gaskets as outlined in the Shop Manual. If mately June 1, 1961. a porous pump housing is found, replace the pump body. Never use any type of sealer on the "O" ring On Flightomatic transmission equipped cars, the seals as the sealer might work into the pump and valve new style Brake Pedal Assembly, Part No. 1554069, system causing sticky valve action. can be used as a service replacement for either the Follow the Shop Manual instructions carefully early or the late style Pedal. when filling and bleeding the system. A new or re- The new style Clutch Pedal Assembly, Part NO. paired pump or control valve will score easily if the 1554070, may also be used as a service replacement correct procedures are not used. for either the early or the late style pedal. The new style Brake Pedal, Part No. 1554068, that is used with conventional and overdrive transmissions HEAVY-DUTY SHOCK ABSORBERS- must not be used to replace the earlier style Pedal, 1961 Model Passenger Cars Part No. 1552261, unless both the brake pedal and Two types of heavy-duty shock absorber (avail- the clutch pedal assemblies are replaced at the same able as optional equipment) are used on the 1961 time. Otherwise, installation of the new style brake models. The two types of shock absorbers must not pedal on earlier models will locate the brake pedal be used together, therefore can not be substituted in- too close to the clutch pedal. dividually. When an individual shock absorber is re- placed, it is important that the correct replacement shock absorber be installed. POWER STEERING PUMP REPLACEMENTS The following table will enable you to select the A high percentage of power steering pumps re- correct heavy-duty replacement shock absorber for the turned to the Claims Section are in good condition 1961 models: and should not have been replaced. This is an indica- Before car Serial Numbers 61S-24094 and 61V- tion that needless and expensive replacements are be- 19513: ing made in the field and that the owner’s problem Front Shock Absorber-Use Part No.