1985 Chevrolet C20 Service and Repair Manual
1985 Chevrolet C20 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
- Scottsdale Standard Cab Pickup 2-Door
- Silverado Crew Cab Pickup 4-Door
- Silverado Cab & Chassis 2-Door
- Scottsdale Cab & Chassis 2-Door
- Custom Standard Cab Pickup 2-Door
- Custom Crew Cab Pickup 4-Door
- Silverado Standard Cab Pickup 2-Door
- Custom Cab & Chassis 2-Door
- Scottsdale Crew Cab Pickup 4-Door
Engines covered
- 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
- 7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated
- 6.2L 379Cu. In. V8 DIESEL OHV Naturally Aspirated
- 4.8L 292Cu. In. l6 GAS 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
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 VEHI
THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN
HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING N
TL* THE CONTACT OWNS A 1985 CHEVROLET C20 EQUIPPED WITH BIG "O" MESA C/T TIRES, SIZE: LT285/75R16. WHILE DRIVING 50 MPH, THE FRONT DRIVER SIDE TIRE BLEW OUT AND THE TIRE WIRES DETA
PEOO O20; CONSUMER WAS TRAVELING ABOUT 55MPH ON HIGHWAYAND HEARD A NOISE. HE WAS IN THE LEFT LANE, AND SAW CHUNKS OF TIRE FLYING IN THE WIND. ALSO, FLAPPING NOISE WAS COMING
