1994 GMC C1500 Service and Repair Manual
1994 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 Special Standard Cab Pickup 2-Door
- Sierra SLT Extended Cab Pickup 2-Door
- Sierra SLE Extended Cab Pickup 2-Door
- Sierra SL Standard Cab Pickup 2-Door
- Sierra SL Extended Cab Pickup 2-Door
Engines covered
- 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
- 6.5L 395Cu. In. V8 DIESEL OHV Turbocharged
- 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated
- 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
- 6.5L 395Cu. In. V8 DIESEL 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
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
SOME CUSTOMERS MAY COMMENT ON FRONT DOOR HINGE PIN BUSHING WEAR, FRONT DOOR SAG, OR DOOR CHUCKING MOVEMENT IN EXTREME OPERATING CONDITIONS. *TT
ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR). *TW
SEAT BELT BOLT BROKE DURING COLLISION, CAUSING INJURY PRIOR TO RECALL. (ATTORNEY FOR CLIENT)
WHILE DRIVING DURING RAINY WEATHER WINDSHIELD WIPERS FAILED, RECALL 03V159000 WAS ISSUED ON THIS PROBLEM. HOWEVER, DEALERSHIP WOULD NOT PERFORM RECALL REPAIRS BECAUSE THE VIN WAS NOT INCLUDED. *AK
SEAT KEEPS BREAKING CONSUMER HAS HAD THIS SEAT REPAIRED 4 TIMES, THE SAME ONE.*AK
PISTON ON RIGHT FRONT CALIPER IS HANGING INSIDE, CAUSING VEHICLE TO PULL TO LEFT WHEN BRAKES ARE APPLIED. *AK
I HAVE HAD APPROXIMATELY 7 COMPLAINTS AND FAILURRES WITH DRIVERS SEAT. BOLTS, CABLES,LOOSE BOLTS AND PORTIONS OF SEAT REPLACED. THERE WAS A RECALL FROM GM THAT WAS INSTALLED IN MY TRUCK ON 6-17-96. "R
Showing the 5 most serious of 28 complaints filed with NHTSA.
