1986 GMC K3500 Service and Repair Manual
This factory service and repair manual for the 1986 GMC K3500 answers for four engines: a 6.2L diesel V8 and gasoline units of 4.8, 5.7 and 7.4 liters, the first an inline-six and the others V8s. All are overhead-valve and naturally aspirated. The truck itself appears as a four-door crew cab pickup, a standard cab pickup or a cab & chassis in two-door and four-door forms, with Base, High Sierra and Sierra Classic trims listed for the year.
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 1986 K3500. Federal records hold nothing against the 1986 K3500, neither recalls nor owner complaints at NHTSA. The manual is therefore read for what it always contained: engine-by-engine procedures, specifications and torque values covering the 6.2L diesel and the three gasoline units, with wiring diagrams and diagnostics for the trucks they went into, whichever cab or chassis configuration that was.
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
