Pages 4–13 (10 pages)

Chevrolet

From the 1948 GM Product Service Bulletin – February 1948 Issue

Chevrolet passenger car items for Series 1000 and 1200: Delco 2200 A and B front shock absorbers with an oversize threaded bushing hole (bushing #5341457), the new three-position ignition switch, the change to expansion-type king pin bearing plugs, synthetic rubber inlet and exhaust valve stem seals that replace the umbrellas, and universal joint ball retainer bolt holes. It ends with 1948 new-model features and specifications.

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What this section covers

  • Oversize threaded bushing in 2200 A/B shock absorber arms
  • Three-position ignition switch
  • Expansion-type king pin bearing plugs
  • Synthetic rubber valve stem seals and revised spring caps
  • Universal joint ball retainer bolt holes
  • 1948 features: pressure radiator cap, light switch circuit breaker, 6.70x15 tires
  • 1948 Chevrolet specifications, adjustments and lamp bulbs
Year
1946, 1947, 1948
Make
Buick, Chevrolet, Fisher Body, General Motors, GMC, Oldsmobile, Pontiac
Vehicle
Components and Systems, Hydra-Matic, Passenger Cars, Transmissions, Trucks
Type
Service Bulletin
Models
Chevrolet 1000/1200, Pontiac 2000–2700, Oldsmobile 3500/3700, Buick, Chevrolet and GMC trucks 1/2–3 ton
Pages
59

What’s inside

Bulletin

  1. Cover and Training QuestionsThe cover marked Training Copy, February 28th, 1948, and a dealer co-operative service training quiz for mechanics with multiple-choice questions on the items in this issue, from the Chevrolet ignition switch to Hydra-Matic fluid capacity and truck axle bolt torque.pp. 1–3
  2. Chevroletpp. 4–13
  3. Pontiacpp. 14–23
  4. Oldsmobilepp. 24–29
  5. BuickMain bearing knock with full precision bearing inserts on early cars whose bearing caps were too wide, and how to file the caps to fit.pp. 30–31
  6. Bodypp. 32–40
  7. Truckpp. 41–53
  8. Generalpp. 54–59

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