1986 Toyota 4Runner 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications, torque values, and reference data
- Electrical diagnostics with full wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
- Diagnostic trouble codes and troubleshooting flow
- Maintenance schedules and fluid capacities
Trims covered
- Base, Automatic
- Base, Standard, G52
- Base, Standard, R151F
- Base, Standard, W56
- SR5, 22-RE, G52
- SR5, 22-RE, R151F
- SR5, 22-RTE
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
- Maintenance & Lubrication
- Specifications
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Diagnostic Trouble Codes
- Technical Service Bulletins
- Wiring Diagrams
TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be available provided the re
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any custom
Product general information.
Replacement vin plates.
TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2021 model year vehicles may be available provided the re
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. PG021-88, PG015-89, PG0015-90, PG002-91, PG002-93, PG005-97, PG007-01, PG007-07, PG006-01, PG004-97, T-SB-0144-08, and T-SB-0304-17. The af
TSB: OBSOLETE NOTICE April 07, 2020: This bulletin is now obsolete. Please see T-SB-0032-20. Replacement Certification Labels and VIN Plates
SUBJECT ON SPECIAL POLICY ADJUSTMENT FOR THE HEAD GASKETS. *YC
VEHICLE ROLLED DOWN HILL DUE TO FAILURE OF PARKING BRAKE, INJURING ONE/KILLING ONE. *DSH
PE00-00; CONSUMER WAS TRAVELING ABOUT 45MPH ON THE HIGHWAY AND LEFT REAR TIRE WENT FLAT. THEN CONSUMER CHANGED THE TIRES, AND NOTICED THAT TREAD AND WIRES SEPARATED FROM TIRES. *AK
The contact owns a 1986 Toyota 4Runner. The contact stated that the driverâs and passengerâs side seat belts failed to unlock as needed. The contact and his passenger was unable to unlatch or rele
ON 1986 TOYOTA 4 RUNNERS THE HAND BRAKE IS SOLELY RELIED ON TO ADJUST THE BACK BRAKES. THE PROBLEM APPEARS TO BE THE BELL CRANK BOOT DOES NOT SUFFICIENTLY PREVENT CORROSION BETWEEN THE BELL CRANK AND
ON 1986 TOYOTA 4 RUNNERS THE HAND BRAKE IS SOLELY RELIED ON TO ADJUST THE BACK BRAKES. THE PROBLEM APPEARS TO BE THE BELL CRANK BOOT DOES NOT SUFFICIENTLY PREVENT CORROSION BETWEEN THE BELL CRANK AND
Showing the 5 most serious of 13 complaints filed with NHTSA.
