Pages 7–14 (8 pages)
Pontiac
From the 1948 GM Product Service Bulletin – August 1948 Issue
Pontiac pages 31–38. The main item is flywheel and crankshaft replacement on 1948 Hydra-Matic cars using the Kent-Moore J-2774 dowel pin remover and replacer set and Flywheel Repair Package 511731: pulling the dowel, sealer 512333 in place of the old fibre gasket, 105 ft. lbs. bolt torque, .005 in. run-out check, and reaming for the oversize service dowel, including new crankshafts and partial engines. Shorter items cover camshaft sprocket identification, Series 2000–2200 bumper and fan clearances and brake lining serial breakpoints.
Read this section free, starting at page 7What this section covers
- Hydra-Matic flywheel and crankshaft replacement with tool J-2774
- Oversize service dowel pin reaming and installation
- Camshaft sprocket identification, 1935–1948 six-cylinder L-head
- Front bumper sheet metal interference, Series 2000–2200
- Fan blade to radiator core support clearance
- New brake lining serial number breakpoints
- Make
- Buick, Cadillac, Chevrolet, Fisher Body, General Motors, GMC, Oldsmobile, Pontiac
- Vehicle
- Body and Convertible Tops, Components and Systems, Dynaflow, Hydra-Matic, Light Duty Trucks, Passenger Cars, Transmissions, Trucks
- Type
- Service Bulletin
- Models
- Chevrolet 1000/1200, Pontiac 2000–2800, Oldsmobile 3500–3900 and 98, Buick 40/50/70 and 4400–4700, 1700 trucks
- Pages
- 59
What’s inside
Bulletin
- Cover and Service Training ExaminationThe training copy cover, followed by Dealer Co-operative Service Training Examination No. 8 for body men, with multiple-choice questions 71–74 and others on deck lid locks, 1946 windshield wipers and door hinges, the Hydro-Lectric seat adjuster pawl, the 1700 Series truck heater, truck cowl panel cracks and body bolt torque and shims. Answers are found in the 1946–47 Fisher Body Manual and this issue.pp. 1–3
- ChevroletChevrolet pages 34–36: accelerator hinge pins not properly flared on 1948 Series 1000 and 1200 cars before serial 8121113323, and the starter reversing switch discontinued in production at engine 234472. Steps for removing the switch from earlier cars include fitting low tension wire 5288908, replacing the .3 microfarad condenser 1882239 with .2 microfarad condenser 1869704 and grounding the breaker plate, with identification notes for the two condensers.pp. 4–6
- Pontiacpp. 7–14
- Oldsmobilepp. 15–18
- Buickpp. 19–31
- Bodypp. 32–55
- TruckTruck items: speedometer and odometer under-reading on certain 1948 Chevrolet and GMC trucks, corrected with speedometer adaptor kits listed by transmission, and the starter reversing switch discontinued on 216 and 235 engines, referring to the Chevrolet section. The scan of these pages is poor.pp. 56–57
- GeneralGeneral items, largely illegible in this scan: a note on current flat rate manual editions and an item on thumping noises blamed on rear axles that actually come from tires, with a road test check by changing tire pressure before overhauling the axle.pp. 58–59
