1989 GMC K1500 Service and Repair Manual
This factory service and repair manual for the 1989 GMC K1500 lists three Sierra trims, Sierra, Sierra SLE and Sierra SLX, over standard cab and extended cab pickups. Four engines are covered: the 5.0L gasoline V8, the 6.2L diesel V8, the 4.3L gasoline V6 and the 5.7L gasoline V8, all overhead-valve and naturally aspirated. The book handles that spread by splitting the engine content into subsections, then treating the driveline, chassis, brakes, electrical system and body once each, with the procedures, specifications, torque values, wiring diagrams and diagnostics they require.
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
- 2-door extended cab pickup
Trims covered
- Sierra
- Sierra SLE
- Sierra SLX
Known issues on the 1989 K1500. NHTSA lists three recalls for this year. Replacement oil filters that seal inadequately can lose engine oil and start a fire. Excess heat in the transmission can force fluid out of the vent tube, where it can ignite. And some trucks carry incorrect instructions for adjusting the rear lap-shoulder belts, so a belt set by those instructions may not restrain an occupant properly in a sudden stop. Two owner complaints are logged with NHTSA, one on the service brakes and one on the electrical system. Transmission, brake and belt procedures with their torque values are all covered here.
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
TRUCKS CAN CONTAIN INCORRECT INSTRUCTIONS ON HOW TO PROPERLY ADJUST REAR SEAT LAP-SHOULDER BELTS AS REQUIRED BY FMVSS 209.
INCORRECTLY ADJUSTED SEAT BELT WOULD NOT PROPERLYRESTRAIN OCCUPANT IN AN ACCIDENT OF SUDDEN STOP; TR
PROVIDE OWNER'S MANUAL INSERT CONTAINING THE CORRECT REAR LAP-SHOULDER BELT INSTRUCTIONS.
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.
THE VENTED TRANSMISSION FLUID CAN CATCH FIRE IF EXPOSEDTO A SOURCE OF IGNITION.
INSTALL A LONGER TRANSMISSION VENT HOSE ROUTED TO THE LEFT SIDE OF THE ENGINE COMPARTMENT OF THE VEH
SOME CUSTOMERS MAY COMMENT ON FRONT DOOR HINGE PIN BUSHING WEAR, FRONT DOOR SAG, OR DOOR CHUCKING MOVEMENT IN EXTREME OPERATING CONDITIONS. *TT
CONSUMER HAS BEEN EXPERIENCING CONTINUOUS PROBLEMS WITH VEHICLE'S INSUFFICIENT PERFORMANCE OF ABS BRAKE SYSTEM. WHEN APPLYING BRAKES, PEDAL WOULD GO DOWN TO THE FLOOR, AND THERE WOULD BE A DELAY IN
ENGINE; WHILE DRIVING THE VEHICLE STALLS/HESITATES/STUMBLES. *AK
