1983 GMC C1500 Suburban Service and Repair Manual
This factory service and repair manual for the 1983 GMC C1500 Suburban is built around three engines and one body. The engines are the 5.0L V8, the 5.7L V8 and the 6.2L diesel V8, all overhead-valve and naturally aspirated; the body is the four-door sport utility, sold as Base, High Sierra or Sierra Classic. Because two of the three engines are gasoline V8s that share a great deal of hardware, much of the difference between their chapters comes down to displacement-specific clearances, timing figures and torque values.
Engines covered
- 5.0L V8 (305 cu in) — OHV, naturally aspirated, gasoline
- 6.2L V8 (379 cu in) — OHV, naturally aspirated, diesel
- 5.7L V8 (350 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 4-door sport utility
Trims covered
- Base
- High Sierra
- Sierra Classic
Known issues on the 1983 C1500 Suburban. No recalls and no owner complaints appear against this model year in the federal record. That leaves the manual to its stated job across the systems it names: the two gasoline V8s and the diesel, the transmission and axles behind them, the brakes, steering and suspension under the body, and the wiring that ties all of it together. Every one of those comes with procedures, specifications, torque values, wiring diagrams and diagnostics rather than general advice.
