1986 Toyota Pickup Truck Repair Manual

The 1986 Toyota Pickup Truck Repair Manual provides comprehensive technical information for maintaining and repairing the 1986 Toyota Pickup models. This manual covers engine systems (22R 2.4L I4), transmission (manual 5-speed and automatic), braking system, suspension, electrical systems, fuel system, cooling system, and routine maintenance procedures. Below are key sections for specifications, maintenance schedules, troubleshooting, and repair procedures.

1. Vehicle Specifications 2. Maintenance Schedule 3. Engine Repair 4. Transmission Service 5. Brake System 6. Electrical System 7. Suspension & Steering 8. Fuel System 9. Cooling System 10. Troubleshooting Guide 11. Safety Precautions

Vehicle Specifications

Technical specifications for 1986 Toyota Pickup models including engine, transmission, dimensions, and capacities.

Specification	Details
Engine	22R 2.4L I4, 8-valve SOHC
Horsepower	103 hp @ 4800 rpm
Torque	132 lb-ft @ 2800 rpm
Transmission	5-speed manual or 4-speed automatic
Fuel System	2-barrel carburetor
Fuel Capacity	17.2 gallons
Wheelbase	103.0 inches (short bed)
Bed Length	72.2 inches (short bed)
Towing Capacity	3,500 lbs (with proper equipment)
Payload Capacity	1,640 lbs

Maintenance Schedule

Recommended maintenance intervals for optimal performance and longevity.

Oil Change: Every 3,000 miles or 3 months
Oil Filter: Replace with every oil change
Air Filter: Inspect every 15,000 miles, replace as needed
Spark Plugs: Replace every 30,000 miles
Coolant: Flush and replace every 30,000 miles or 2 years
Brake Fluid: Inspect every 15,000 miles, replace every 30,000 miles
Transmission Fluid: Check level monthly, change every 60,000 miles
Timing Chain: Inspect every 60,000 miles

WARNING! Always use jack stands when working under vehicle. Never rely solely on hydraulic jack.

Engine Repair

22R 2.4L engine service procedures and specifications.

Valve Adjustment: Set intake and exhaust valves to 0.008 in (cold)
Compression Test: Should be 142-156 psi, variation less than 14 psi between cylinders
Ignition Timing: Set to 8° BTDC at idle (manual transmission)
Carburetor Adjustment: Idle speed 750 rpm (manual), 800 rpm (automatic)
Oil Pressure: 4.3 psi at idle, 36-71 psi at 3000 rpm

CAUTION! Allow engine to cool completely before performing any repair work.

Transmission Service

Manual Transmission: W55 5-speed, gear oil capacity 2.1 quarts
Automatic Transmission: A43D 4-speed, fluid capacity 7.2 quarts
Fluid Type: Manual - 75W-90 GL-4; Automatic - Dexron II ATF
Clutch Adjustment: Free play 0.4-0.8 inches at pedal
Shift Linkage: Adjust for smooth gear engagement

Brake System

Front disc brakes and rear drum brake service procedures.

Front Brakes: Disc type, pad thickness minimum 0.04 inches. Rear Brakes: Drum type, shoe thickness minimum 0.04 inches. Master Cylinder: Check fluid level regularly, use DOT 3 brake fluid. Bleeding: Right rear, left rear, right front, left front sequence.

Electrical System

Battery, alternator, starter, and wiring system maintenance.

Battery: 12V 55Ah, clean terminals regularly
Alternator: 55 amp output, check belt tension
Starter: 1.4 kW, check solenoid operation
Fuses: Located under dashboard and in engine compartment
Lighting: Headlight adjustment screws on housing

Tip: Disconnect battery negative terminal before performing electrical work.

Suspension & Steering

Front torsion bar and rear leaf spring suspension service.

Front Suspension: Torsion bars, upper/lower control arms
Rear Suspension: Leaf springs with hydraulic shocks
Steering Gear: Recirculating ball type, adjustment requires special tools
Wheel Alignment: Toe-in 0.08 ± 0.08 inches, camber 0°20' ± 45'
Shock Absorbers: Replace in pairs, check for leaks

WARNING! Use proper spring compression tools when working with suspension components.

Fuel System

Aisan 2-barrel carburetor and fuel delivery system.

Carburetor: Aisan 2-barrel, float level 0.43 inches
Fuel Pump: Mechanical type, pressure 2.8-3.6 psi
Fuel Filter: Replace every 30,000 miles
Choke: Automatic electric choke, check operation
Idle Mixture: Adjust for smoothest idle

Cooling System

Radiator, thermostat, and coolant system maintenance.

Coolant Capacity: 9.5 quarts (with heater). Thermostat: Opens at 180°F. Radiator Cap Pressure: 13 psi. Hoses: Inspect for cracks and soft spots. Fan Clutch: Check for proper engagement.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Hard starting	Weak battery, fuel delivery	Check battery voltage, fuel pump operation, choke setting
Rough idle	Vacuum leaks, carburetor	Inspect vacuum hoses, adjust carburetor mixture
Overheating	Coolant level, thermostat	Check coolant, test thermostat, inspect water pump
Brake pull	Stuck caliper, worn pads	Inspect calipers, replace brake pads/shoes
Transmission slipping	Low fluid, worn clutch	Check fluid level, adjust clutch, inspect bands

Reset: Disconnect battery for 30 minutes to reset ECU if equipped.

Service: Refer to Toyota dealership for complex electrical issues.

Safety Precautions

Always work in well-ventilated area. Use safety glasses and gloves. Support vehicle with jack stands. Disconnect battery before electrical work. Properly dispose of fluids. Keep fire extinguisher nearby when working with fuel system.