1991 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
- 2D Utility, Automatic
- 2D Utility, Standard
- 4D Utility, Automatic
- 4D Utility, Standard
- 4D Utility
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
ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, IF THE STEERING WHEEL IS REPEATEDLY TURNED UNDER CERTAIN CONDITIONS WHERE HIGH STEERING EFFORT AND POWER ASSIST ARE REQUIRED, FOR INSTANCE, WHEN FU
IF THE VEHICLE IS CONTINUED TO BE OPERATED IN THIS CONDITION, THE RELAY ROD MAY FRACTURE, INCREASING
DEALERS WILL REPLACE THE STEERING RELAY ROD. THE RECALL BEGAN OCTOBER 5, 2005. OWNERS MAY CONTACT
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
TSB: The purpose of this bulletin is to provide precautions to follow when installing an automatic transmission/transaxle assembly to avoid MIL "ON" shifting issues and/or transmission damage. Use the information in this bulletin when insta
Showing the 8 most recent of 13 technical service bulletins on file with NHTSA.
MY DAUGHTER WITH TWO GRANDDAUGHTERS WERE DRIVING IN A 91 TOYOTA 4 RUNNER ON A WELL MAINTAINED LOG ROAD WHEN THEY LOST STEERING AND WENT OVER A 30 FT CLIFF. THE STEERING KNUCKLE BROKE THE TILT STEERIN
PE00 020; CONSUMER WAS TRAVELING 65MPH ON THE HIGHWAY AND RIGHT REAR TIRE EXPLODED. CONSUMER FELT A VIBRATION COMING FROM STEERING. LOST CONTROL, VEHICLE SLID AND WENT INTO AN ENBANKMENT. *AK
1991 TOYOTA 4RUNNER STEERING FAILED WHEN TURNING WHEEL. *TS ***NO ANSWER REQUIRED*** THE CONSUMER RECEIVED A RECALL NOTICE REGARDING THE STEERING LINKAGES TWO MONTHS AFTER THE ACCIDENT. *JB *NM
BACK IN AUGUST 2016 I PURCHASED AND INSTALLED 4 NEW TIRES, I CLEANED AND PAINTED WHEELS BEFORE INSTALLING 4 NEW SLIME TIRE VALVES #TR 415 SLIME PART# 20261 I PURCHASED THESE VALVES AT WALMART IN SOMER
WHILE DRIVING IN THE STREET AT 40 MPH, IT ACCELERATES FOR NO REASON. I COULD NOT STOP, THE BRAKE PUT HARD, DID NOT RESPOND TO ANY CHANGE AND ENGINE SPEED INCREASED TO MORE THAN 5000. I HAD TO TURN IT
Showing the 5 most serious of 55 complaints filed with NHTSA.
