1987 GMC R3500 Service and Repair Manual
This factory service and repair manual for the 1987 GMC R3500 spans four body configurations — crew cab and standard cab pickups, and cab and chassis versions with two doors or four — in Base, High Sierra and Sierra Classic trim. Four naturally aspirated overhead-valve engines are listed: a 7.4L V8 of 454 cubic inches, a 6.2L diesel V8, a 4.8L inline-six of 292 cubic inches and a 5.7L V8. Procedures, specifications, torque values, wiring diagrams and diagnostics are broken out by system for all of them.
Engines covered
- 7.4L V8 (454 cu in) — OHV, naturally aspirated, gasoline
- 6.2L V8 (379 cu in) — OHV, naturally aspirated, diesel
- 4.8L inline-six (292 cu in) — OHV, naturally aspirated, gasoline
- 5.7L V8 (350 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 4-door crew cab pickup
- 2-door standard cab pickup
- 4-door cab & chassis
- 2-door cab & chassis
Trims covered
- Base
- High Sierra
- Sierra Classic
Known issues on the 1987 R3500. No recalls have been issued for the 1987 R3500 and no owner complaints are logged with NHTSA, leaving a clean federal record. On a truck sold partly as a bare cab and chassis, the manual is the only reference for what sits beneath an added body: frame and suspension specifications, brake procedures and dimensions, axle and transmission service, and the wiring diagrams a body builder's circuits were spliced into. Engine procedures, specifications, torque values and diagnostics cover all four engines.
