1985 GMC K1500 Service and Repair Manual
This factory service and repair manual for the 1985 GMC K1500 covers a 2-door standard cab pickup in Base, High Sierra and Sierra Classic trim, with four engines behind the grille: the 5.0L and 5.7L gasoline V8s, the 4.3L gasoline V6 and the 6.2L diesel V8, each overhead-valve and naturally aspirated. Coverage runs system by system, and where the four differ in clearances, torque values or diagnostic procedure, the manual sets those differences out rather than averaging them into one figure.
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 1985 K1500. One recall touches this model year, and it involves replacement oil filters rather than the truck itself: certain aftermarket filters seal inadequately, which can let engine oil escape and, near a hot surface, lead to a fire. Three owner complaints are logged with NHTSA, one each for the fuel system, tires and seat belts. Lubrication and oil filter service, fuel system procedures with their pressure specifications, and belt anchorage torque values are all documented here, along with the diagnostic steps that go with each.
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
THE FUEL SYSTEM EXPLODED CAUSING FIRE TO GO THROUGH THE FUEL LINE TO THE CARBURETOR RESULTING IN ENGINE TO IGNITE IN FLAMES AS THE CONSUMER WAS DRIVING. *MJS
INSURED GOING E ON I-90 WHEN RIGHT REAR TIRE BLEW, DAMAGE FENDER AND THE EXHAUST PIPE AND THE WHEEL. THIS TIRE IS A FIRESTONE ATX TIRE THAT IS ON RECALL, INSURED THINKS FIRESTONE SHOULD PAY FOR THIS,
THE FRONT MIDDLE SEAT BELT BUCKLE BROKEN WILL NOT LATCH. TT
