1989 GMC R3500 Service and Repair Manual
1989 GMC R3500 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
- High Sierra Crew Cab Pickup 4-Door
- Base Standard Cab Pickup 2-Door
- Sierra Classic Cab & Chassis 4-Door
- High Sierra Standard Cab Pickup 2-Door
- High Sierra Cab & Chassis 4-Door
- Sierra Classic Cab & Chassis 2-Door
- Base Crew Cab Pickup 4-Door
- Sierra Classic Crew Cab Pickup 4-Door
- Base Cab & Chassis 4-Door
- Base Cab & Chassis 2-Door
- High Sierra Cab & Chassis 2-Door
- Sierra Classic Standard Cab Pickup 2-Door
Engines covered
- 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated
- 6.2L 379Cu. In. V8 DIESEL 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
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
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
THE REAR VIEW MIRRORS ON EACH SIDE OF THESE VEHICLES HAVE THIRTY-NINE SQUARE INCHES OF REFLECTIVE SURFACE, LESS THAN THE FIFTY SQUARE INCHES REQUIRED BY FMVSS 111.
REDUCED REFLECTIVE AREA ON OUTSIDE REAR VIEW MIRRORSREDUCES THE DRIVER'S APPARENT AREA OF VISIBILITY
REPLACE THE NON-CONFORMING REAR VIEW MIRRORS.
