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2021 Toyota 4Runner Service and Repair Manual
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$53.99 USD
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Covers all 2021 4Runner trims — Limited, Nightshade, SR5 Premium +6 more ·
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Complete repair procedures
Wiring diagrams & schematics
Torque specifications
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2021 Toyota 4Runner Service and Repair Manual
Regular price
$53.99 USD
Unit price
2021 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
- Limited
- Nightshade
- SR5 Premium
- SR5
- TRD Off-Road
- TRD Off-Road Premium
- TRD Pro
- Trail
- Venture
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
Southeast Toyota Distributors, LLC (SET) is recalling certain 2020-2022 4Runner vehicles equipped with 20-inch Black Gunner Wheels. The load carrying capacity modification labels are incorrect. As s
Consequence
An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a cra
Remedy
SET will mail replacement labels to owners, free of charge. Owner notification letters are expected
OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic
The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with app
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with app
Showing the 8 most recent of 127 technical service bulletins on file with NHTSA.
was going to work on rt 80 east had cruise control on and was getting off exit 45 in new jersey to get bus into manhattan at approx 430 amwhile getting off highway stepped on brakes pedal went to floo
was going to work on rt 80 east had cruise control on and was getting off exit 45 in new jersey to get bus into manhattan at approx 430 amwhile getting off highway stepped on brakes pedal went to floo
was going to work on rt 80 east had cruise control on and was getting off exit 45 in new jersey to get bus into manhattan at approx 430 amwhile getting off highway stepped on brakes pedal went to floo
Rear backup camera has been failing or intermittently working, it is available for insp[ection upon request. This has created a situation upon reversing in driveway where I expect it to be on and dont
While pulling this vehicle in to my garage about halfway in the brake pedal went to the floor and the vehicle hit a bench on the opposite side of the entrance. After pumping the brakes after waiting
Showing the 5 most serious of 52 complaints filed with NHTSA.
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