The 1986 Chevy Truck Owners Manual provides comprehensive guidance for operating and maintaining your Chevrolet C/K series pickup truck. This manual covers vehicle specifications, operating instructions, maintenance schedules, troubleshooting procedures, and safety information for models including C10, C20, C30, K10, K20, and K30 variants with various engine options and drivetrain configurations.
The 1986 Chevrolet C/K series trucks feature rugged construction with available two-wheel or four-wheel drive configurations. Key components include the chassis, powertrain, suspension system, and cab configurations.
| Component | Description |
|---|---|
| Engine Options | 4.3L V6, 5.0L V8, 5.7L V8, 6.2L Diesel V8 |
| Transmission | 4-speed manual, 5-speed manual, 3-speed automatic, 4-speed automatic |
| Drivetrain | 2WD or 4WD configurations |
| Cab Styles | Regular Cab, Extended Cab |
| Bed Lengths | 6.5 ft, 8 ft |
| GVWR | 4,600 to 10,000 lbs depending on model |
| Fuel System | Carbureted or fuel injection (diesel) |
| Brakes | Front disc, rear drum with power assist |
| Suspension | Independent front, leaf spring rear |
| Steering | Power steering standard |
The instrument cluster includes speedometer, fuel gauge, temperature gauge, oil pressure gauge, and warning lights for critical systems.
WARNING! Immediately address any warning lights that illuminate while driving.
Proper starting, driving, and shutdown procedures for optimal vehicle performance and longevity.
CAUTION! Never shift into 4WD on dry pavement as this may damage drivetrain components.
Regular maintenance is essential for vehicle reliability and longevity. Follow these intervals:
Every 3,000 miles/3 months: Oil and filter change, tire rotation, fluid level checks
Every 6,000 miles/6 months: Chassis lubrication, brake inspection
Every 15,000 miles/12 months: Air filter replacement, cooling system service
Every 30,000 miles/24 months: Fuel filter replacement, transmission service
Every 60,000 miles: Spark plugs, timing chain inspection, major tune-up
Proper fluid levels and types are critical for vehicle operation.
Tip: Always use manufacturer-recommended fluid types.
Common issues and their potential solutions for 1986 Chevy trucks.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Hard starting | Weak battery, fuel delivery | Check battery voltage, fuel pump operation, carburetor function |
| Rough idle | Vacuum leaks, ignition timing | Inspect vacuum hoses, adjust carburetor, check timing |
| Overheating | Coolant level, thermostat | Check coolant, replace thermostat, inspect water pump |
| Poor fuel economy | Tune-up needed, dragging brakes | Replace plugs, adjust carburetor, check brake operation |
| Transmission slipping | Low fluid, worn components | Check fluid level and condition, service transmission |
The 1986 Chevy truck includes several safety systems to protect occupants.
Standard safety equipment includes three-point seat belts, energy-absorbing steering column, dual-circuit brake system, side marker lights, and reinforced passenger cabin. Optional equipment includes rear anti-lock brakes (RWL) on some models.
New vehicle warranty coverage for 1986 models.
Basic Warranty: 12 months/12,000 miles bumper-to-bumper
Powertrain Warranty: 36 months/36,000 miles
Corrosion Warranty: 36 months/unlimited miles
Emission System: 5 years/50,000 miles
CAUTION! Warranty claims must be processed through authorized Chevrolet dealerships.
Detailed technical specifications for service and repair.
Basic maintenance procedures that can be performed by owners.
Service Assistance: Contact Chevrolet customer service at 1-800-222-1020 for dealer locations and technical support.