1986 Honda Service Manual

The 1986 Honda Service Manual provides comprehensive technical information for servicing and maintaining 1986 Honda vehicles. This manual covers engine systems, transmission, electrical systems, suspension, brakes, steering, and body components. It includes detailed specifications, troubleshooting procedures, repair instructions, and maintenance schedules for various 1986 Honda models including Civic, Accord, Prelude, and CRX. Below are key sections for technical data, maintenance procedures, troubleshooting, and specifications.

1. Vehicle Specifications 2. Maintenance Procedures 3. Engine Systems 4. Transmission & Drivetrain 5. Electrical Systems 6. Suspension & Steering 7. Brake Systems 8. Body & Interior 9. Troubleshooting Guide 10. Technical Data 11. Service Procedures

Vehicle Specifications

Technical specifications for 1986 Honda models including engine types, dimensions, capacities, and performance data.

Model	Engine Type	Displacement	Horsepower
Civic	1.5L 4-cylinder	1488cc	76 hp
Accord	2.0L 4-cylinder	1958cc	98 hp
Prelude	1.8L 4-cylinder	1829cc	110 hp
CRX	1.5L 4-cylinder	1488cc	91 hp
Dimensions	Varies by model	Wheelbase: 94-102 in	Weight: 1800-2500 lbs

Maintenance Procedures

Regular maintenance schedules and procedures for 1986 Honda vehicles.

Oil change: Every 7,500 miles or 12 months
Spark plugs: Replace every 30,000 miles
Timing belt: Inspect every 60,000 miles
Brake fluid: Replace every 2 years
Coolant: Replace every 2 years or 30,000 miles

WARNING! Always disconnect battery before performing electrical work. Use proper safety equipment.

Engine Systems

Detailed service procedures for 1986 Honda engine systems including fuel injection, ignition, and cooling systems.

Engine removal and installation procedures
Cylinder head service and valve adjustment
Fuel system service and carburetor adjustment
Ignition timing and distributor service
Cooling system maintenance and radiator service

CAUTION! Engine components may be hot after operation. Allow to cool before servicing.

Transmission & Drivetrain

Manual Transmission: 4-speed and 5-speed configurations
Automatic Transmission: 3-speed and 4-speed options
Clutch System: Hydraulic clutch operation
Differential: Front-wheel drive configuration
Drive Axles: CV joint service and replacement
Fluid Specifications: Honda ATF or equivalent
Service Intervals: Transmission fluid change every 30,000 miles

Electrical Systems

Comprehensive electrical system diagnostics and repair procedures.

Battery: 12V system, maintenance-free batteries. Charging System: Alternator output 55-75 amps. Starting System: Starter motor specifications and testing procedures.

Wiring diagrams: Color-coded schematics for all models. Fuse box locations: Under-dash and engine compartment. Lighting systems: Headlight adjustment, bulb replacement. Instrument cluster: Speedometer, tachometer, warning lights service.

Suspension & Steering

Front and rear suspension systems with rack-and-pinion steering.

Front suspension: MacPherson strut design
Rear suspension: Independent or beam axle depending on model
Steering gear: Rack-and-pinion with power assist
Wheel alignment specifications and procedures
Shock absorber and strut replacement

Tip: Always use proper alignment equipment for suspension work.

Brake Systems

Disc and drum brake systems with hydraulic operation.

Front brakes: Disc brakes with single-piston calipers
Rear brakes: Drum brakes or disc brakes depending on model
Brake pad and shoe replacement procedures
Brake fluid bleeding and system maintenance
Parking brake adjustment and service
Master cylinder and brake booster service
ABS systems (where equipped)

WARNING! Brake fluid is corrosive. Avoid contact with painted surfaces.

Body & Interior

Body repair procedures and interior component service.

Body panels: Steel construction with corrosion protection. Interior trim: Dashboard, seats, and upholstery service. Glass and windows: Windshield and window replacement. Locks and security: Door lock mechanisms and key systems.

Troubleshooting Guide

Common problems and diagnostic procedures for 1986 Honda vehicles.

Symptom	Possible Cause	Corrective Action
Engine won't start	Ignition, fuel, or battery issues	Check spark, fuel delivery, battery voltage
Poor fuel economy	Dirty air filter, timing, carburetor	Replace air filter, adjust timing, clean carburetor
Brake vibration	Warped rotors, worn pads	Resurface or replace rotors, install new pads
Electrical problems	Bad grounds, corroded connections	Clean connections, check ground wires
Transmission issues	Low fluid, worn components	Check fluid level, inspect linkage

Technical Data

Complete technical specifications and service data.

Torque Specifications: Engine, suspension, and chassis fasteners
Fluid Capacities: Engine oil, coolant, transmission fluid
Bulb Specifications: Headlights, taillights, interior lights
Fuse Ratings: Amperage ratings and circuit protection
Tire Pressures: Recommended inflation for all models
Wheel Alignment: Camber, caster, and toe specifications

Service Procedures

Step-by-step service procedures for major components.

Engine overhaul procedures and specifications
Transmission removal and installation
Brake system service and repair
Electrical system diagnostics
Suspension component replacement
Cooling system service
Exhaust system repair

Reset: Clear diagnostic codes where applicable.

Service Support: Contact Honda technical support for complex issues.