1983 GMC C1500 Service and Repair Manual
This factory service and repair manual for the 1983 GMC C1500 is written around four engines: a 4.1L inline-six of 250 cubic inches, the 5.0L and 5.7L overhead-valve V8s, and the 6.2L diesel V8. Every one of them is naturally aspirated. The truck is the two-door standard cab pickup, offered in Base, High Sierra and Sierra Classic trim, so what separates one of these trucks from the next comes down mostly to engine and equipment content rather than body work. Procedures and specifications are arranged system by system.
Engines covered
- 5.0L V8 (305 cu in) — OHV, naturally aspirated, gasoline
- 4.1L inline-six (250 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
- 2-door standard cab pickup
Trims covered
- Base
- High Sierra
- Sierra Classic
Known issues on the 1983 C1500. The federal record for this model year is clean, with no recalls and no owner complaints logged with NHTSA. What matters instead is coverage, and that runs across all four engines named above plus the driveline behind them, the front and rear brakes, the suspension and steering, the heating and ventilation hardware and the truck's wiring. Each of those systems comes with its own procedures, specifications, torque values, wiring diagrams and diagnostics rather than general guidance.
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. TH
THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.
HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 20
