Pages 7–14 (8 pages)

Pontiac

From the 1948 GM Product Service Bulletin – May 1948 Issue

Pontiac pages 22–29: parking lamp removal on 1948 Series 2000 and 2200, the Carter 537-S carburetor sheet for six-cylinder engines, a rubber seal between the front fender and side baffle, shifter yokes, and a full procedure for finding and correcting Hydra-Matic fluid leaks, with a numbered leak-point drawing, a paper test at the torus cover and flywheel, and pump cover screw torque and protrusion limits.

Read this section free, starting at page 7

What this section covers

  • Parking lamp removal
  • Front fender to side baffle seal
  • Hydra-Matic fluid leak diagnosis
  • Front pump cover sealing
Year
1936, 1937, 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948
Make
Chevrolet, Fisher Body, General Motors, GMC, Oldsmobile, Pontiac
Vehicle
Body and Convertible Tops, Carburetors, Components and Systems, Hydra-Matic, Passenger Cars, Transmissions, Trucks
Type
Service Bulletin
Models
Chevrolet 1000/1200, Pontiac 2000/2200, Oldsmobile 3500; Chevrolet and GMC 1/2–3 ton, FC-450, ACR-520 trucks
Pages
38

What’s inside

Bulletin

  1. CoverProduct Service Bulletin cover marked Training Copy - May 31st, 1948, with the Chevrolet, Pontiac, Oldsmobile, Buick, GMC Truck and Fisher emblems and the slogan Preserve Owner Goodwill.pp. 1–1
  2. Service Training QuestionsDealer Co-operative Service Training examination for mechanics on this issue: multiple-choice questions on shifter yokes, the oil pump suction pipe, the shackle pin tool, governor speed, the brass vacuum connection, Moraine-Durex bearings, natural rubber tubes, brake lining, Hydra-Matic leaks and Oldsmobile valve lifter oil holes.pp. 2–3
  3. ChevroletChevrolet pages on fractured oil pump screen suction pipes on 1948 Series 1000 and 1200 causing low oil pressure, revised hardened transmission shifter yokes for 1940–1948, front bumper alignment on 1946–1948 cars after a production change, and new brake lining set 5264555 that resists moisture for 1936–1948 models.pp. 4–6
  4. Pontiacpp. 7–14
  5. OldsmobileOldsmobile pages 14–15 on sticking valves at low mileage on early 1948 Series 3500 engines: reaming valve guides with J-129-2 and drilling the valve lifter platform oil holes to 5/8 inch with a home-made drill extension. Refers to the Pontiac Hydra-Matic leak item.pp. 15–16
  6. BodyBody pages on drilling door outer panels to install belt and window reveal mouldings on Chevrolet, Pontiac and Oldsmobile models (page 37 is a poor scan), a passenger car colour combination chart with C.I.L. Dulux paint numbers, a truck mounting bolt and shim fix, and the striker plate shim for 1947–1948 truck cabs.pp. 17–20
  7. Truckpp. 21–36
  8. GeneralGeneral pages 22–23: natural rubber tubes in production since March 1, 1948 with weekly inflation checks and patching advice, a request not to use parts and labour claim forms imprinted for another dealer, and the warranty repair order and claim form required with United Motors Service warranty material.pp. 37–38

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