1993 GMC K1500 Service and Repair Manual
This factory service and repair manual for the 1993 GMC K1500 takes in four trims, Sierra, Sierra SLE, Sierra SLX and Sierra Sport, over the 2-door standard cab and 2-door extended cab pickups. The engine bay may hold any of four overhead-valve, naturally aspirated units: the 5.0L V8, the 6.2L diesel V8, the 4.3L V6 or the 5.7L V8. The manual sorts its content by system rather than by badge, so procedures, specifications, torque values, wiring diagrams and diagnostics are found in the same place whichever truck is on the lift.
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
- Sierra Sport
Known issues on the 1993 K1500. Two recalls are on the books for this year. The first concerns replacement oil filters whose sealing can fail, draining oil from a running engine and creating a fire hazard. The second involves transmission fluid forced out of the vent tube by heat the design did not anticipate, which can burn if it reaches an ignition source. Twelve owner complaints are logged with NHTSA, with seats, visibility and the service brakes each drawing two. Transmission overhaul, brake service, wiper and lighting circuits, and seat hardware procedures are all documented here with their torque values.
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
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
WHEN APPLYING THE ABS BRAKES IN WET WEATHER AT ABOUT 35MPH, THE VEHICLE BRAKES LOCKED UP, CAUSING AN ACCIDENT. *AK
DURING NORMAL BRAKING CONDITION, THE BRAKE RELEASE AND THE VEHICLE SURGED FORWARD, THEN ABS LIGHT COMES ON, RESULTING IN LONG STOPPING DISTANCE. TT
EA94-029 ACTIVE, ELECTRICAL SHORT,ALTERNATOR SHORTED WHILE DRIVING UNDER THE HOOD ENGINE COMPARTMENT FIRE. TT
CABLE BROKE THAT HOLDS THE SPARE TIRE TO VEHICLE UNDER CARRIAGE. THIS OCCURRED WHILE OWNER WAS ATTEMPTING TO HOOK WIRING FROM TRAILER TO TRUCK. PLEASE DESCRIBE DETAILS. *AK
HAD JUST TAKEN OFF FROM A STOP LIGHT WHEN DRIVER'S SEAT COLLAPSED BACKWARDS. HAD NO PRIOR WARNING OF A PROBLEM. MANAGED TO PULL OVER AND CHECKED SEAT OUT. COULD NOT GET SEAT TO RELATCH/LOCK. PART W
Showing the 5 most serious of 12 complaints filed with NHTSA.
