1986 GMC C1500 Service and Repair Manual
This factory service and repair manual for the 1986 GMC C1500 documents the two-door standard cab pickup across its Base, High Sierra and Sierra Classic trims. Its engine list is short but varied, taking in a 4.3L V6, the 5.0L and 5.7L gasoline V8s and a 6.2L diesel V8, all overhead-valve and naturally aspirated. That is why the book is organized by system first and by engine second, with procedures, specifications, torque values, wiring diagrams and diagnostics arranged in that order throughout.
Engines covered
- 5.0L V8 (305 cu in) — OHV, naturally aspirated, gasoline
- 6.2L V8 (379 cu in) — OHV, naturally aspirated, diesel
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, gasoline
- 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 1986 C1500. Neither a recall nor an owner complaint appears against this model year in the federal record, so there is no known defect pattern to work around. The manual is left to cover the truck as built: engine overhaul and tune-up data for the V6, both gasoline V8s and the diesel, driveline and axle procedures, brake and steering service, and the wiring diagrams that make an intermittent fault traceable. Specifications and torque values accompany each of those sections.
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
