The 1986 Chevy S10 Service Manual provides comprehensive technical information for maintaining and repairing the 1986 Chevrolet S10 pickup truck. This manual covers engine systems, transmission, suspension, brakes, electrical systems, and routine maintenance procedures for the 2.5L and 2.8L engine variants. Below are key sections for specifications, maintenance schedules, troubleshooting, and repair procedures.
Key technical specifications for the 1986 Chevy S10 pickup truck.
| Specification | Details |
|---|---|
| Engine Options | 2.5L L4 Iron Duke, 2.8L V6 |
| Horsepower | 92 hp (2.5L), 110 hp (2.8L) |
| Transmission | 4-speed manual, 5-speed manual, 3-speed automatic |
| Wheelbase | 108.3 inches (short bed), 117.9 inches (long bed) |
| Fuel Capacity | 13.2 gallons |
| Payload Capacity | 1,500 lbs |
| Towing Capacity | 2,000 lbs (properly equipped) |
| Brake System | Front disc, rear drum |
| Suspension | Independent front, leaf spring rear |
| Electrical System | 12-volt negative ground |
Recommended maintenance intervals for optimal vehicle performance.
WARNING! Always use manufacturer-recommended fluids and parts. Follow torque specifications precisely.
Detailed procedures for engine maintenance and repair.
CAUTION! Allow engine to cool completely before working. Use proper lifting equipment.
Complete brake system service and repair procedures.
Front Disc Brakes: Pad replacement, rotor machining specifications, caliper service
Rear Drum Brakes: Shoe replacement, wheel cylinder service, adjustment
Master Cylinder: Bench bleeding procedure, installation
Brake Lines: Steel and rubber line replacement, bleeding procedure
Parking Brake: Cable adjustment and service
Front and rear suspension components and steering system.
Tip: Always replace suspension components in pairs. Use alignment equipment for precise adjustments.
Wiring diagrams and electrical component service.
WARNING! Disconnect battery before electrical work. Use circuit diagrams for accurate troubleshooting.
Carburetor and fuel delivery system maintenance.
Carburetor: Rochester 2SE adjustment and rebuild
Fuel Pump: Mechanical pump testing and replacement
Fuel Lines: Steel and rubber line service
Fuel Filter: Replacement interval and procedure
Tank: Removal, cleaning, and installation
Radiator, water pump, and thermostat service.
Radiator: Flushing procedure, cap pressure test
Water Pump: Removal, installation, seal replacement
Thermostat: Testing and replacement
Hoses: Inspection and replacement guidelines
Coolant: 50/50 ethylene glycol mixture recommended
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Ignition, fuel, or compression issue | Check spark, fuel delivery, compression test |
| Poor fuel economy | Carburetor adjustment, timing | Adjust carburetor, check ignition timing |
| Brake pull | Stuck caliper, contaminated pads | Service calipers, replace brake pads |
| Transmission slipping | Low fluid, worn bands/clutches | Check fluid level, adjust bands |
| Electrical issues | Corroded connections, bad grounds | Clean connections, check ground straps |
Diagnostic Tools: Multimeter, compression tester, vacuum gauge recommended
Technical Support: GM dealer network or certified repair facilities
Always use jack stands when working under vehicle. Wear safety glasses. Disconnect battery during electrical work. Use proper ventilation when working with fuels and chemicals.
CAUTION! Engine components may be hot. Allow proper cooling time. Use factory service tools when specified.