1986 Chevrolet C10 Service and Repair Manual
1986 Chevrolet C10 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
- Custom Standard Cab Pickup 2-Door
- Silverado 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
IMPROPER SIZE REAR BRAKE ASSEMBLIES WERE INSTALLED.
TRUCKS COULD EXCEED THE MAXIMUM STOPPING DISTANCEPERMITTED BY FMVSS 105, HYDRAULIC BRAKE S
REPLACE REAR AXLE BRAKE ASSEMBLIES WITH PROPER SIZE ASSEMBLIES.
MY 1986 CHEVY 1/2 TON PU TRUCK CAUGHT FIRE WHILE TRAVELLING DOWN THE INTERSTATE AT 65 MPH WITH ME AND MY 71 YEAR OLD FATHER IN IT. I AM CONVINCED THE PROBLEM WAS CAUSED BY THE TRAN
PLASTIC COVER ON FUEL TANK ALLOWED SAND TO COLECT CAUSING RUST THRU OF FUEL TANK AND FUEL LEAKAGE
STEEL FUEL FILTER ADAPTER THREADS STRIPED CARB BODY CAUSING FUEL LEAK ONTO ENGINE
SPEEDOMETER FAILED, A MUCH LOWER MILEAGE WAS INDICATED THAN VEHICLE ACTUALLY TRAVELED. *AK
Showing the 4 most serious of 8 complaints filed with NHTSA.
