1992 GMC C1500 Service and Repair Manual

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Covers all 1992 C1500 trims — Sierra SLE Standard Cab Pickup 2-Door, Sierra Extended Cab Pickup 2-Door, Sierra SLE Extended Cab Pickup 2-Door +3 more ·
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1992 GMC C1500 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Sierra SLE Standard Cab Pickup 2-Door
  • Sierra Extended Cab Pickup 2-Door
  • Sierra SLE Extended Cab Pickup 2-Door
  • Sierra SLX Extended Cab Pickup 2-Door
  • Sierra SLX Standard Cab Pickup 2-Door
  • Sierra Standard Cab Pickup 2-Door

Engines covered

  • 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
  • 6.2L 379Cu. In. V8 DIESEL OHV Naturally Aspirated
  • 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated
  • 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #93V01600001/02/1993Component: POWER TRAIN:AUTOMATIC TRANSMISSION

UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.

Consequence

THE VENTED TRANSMISSION FLUID CAN CATCH FIRE IF EXPOSEDTO A SOURCE OF IGNITION.

Remedy

INSTALL A LONGER TRANSMISSION VENT HOSE ROUTED TO THE LEFT SIDE OF THE ENGINE COMPARTMENT OF THE VEH

TSB #634339

SOME CUSTOMERS MAY COMMENT ON FRONT DOOR HINGE PIN BUSHING WEAR, FRONT DOOR SAG, OR DOOR CHUCKING MOVEMENT IN EXTREME OPERATING CONDITIONS. *TT

TSB #52350

ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR). *TW

19950831Component: PARKING BRAKE:CONVENTIONALCrash reported

PARKED SLIGHT INCLINE, EMERGENCY PARKING BRAKES WAS SET AND VEHICLE WAS LEFT IDLING, PARK RELEASED ITSELF, MAKING A NOISE IMPACT 6:00, GOING AT 50FT. TT

19961023Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINEFire reported

VEHICLE FIRE.

19950323Component: EXTERIOR LIGHTING:TURN SIGNALFire reported

SHORT CIRCUIT IN TURN INDICATOR WIRING CAUSING A FIRE INSIDE THE CABIN. TT

20050802Component: TIRES:TREAD/BELT

I HAVE HAD CATASTROPHIC FAILURES OF 3 REMINGTON XT120 TIRES. I SUSPECT THERE IS A DEFECT IN MATERIALS OR MANUFACTURING THAT WARRANTS INVESTIGATION. MY BROTHER AND AT LEAST 2 FRIENDS HAVE HAD SIMILAR

20021106Component: VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

CONSUMER STATED THE WINDSHIELD WIPERS STOPPED WORKING. MR *JG *JB

Showing the 5 most serious of 19 complaints filed with NHTSA.

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