Every figure in this factory service and repair manual is tied to the 2021 Toyota 4Runner as Toyota built it — the 4.0L V6 (1GR-FE) and the exact trim your truck left the line as — so the specifications and torque sequences you work to are the ones Toyota published for this model year, not numbers borrowed from an adjacent one.
Engines
- 4.0L 4000CC V6 GAS DOHC Naturally Aspirated
Trims
- Limited
- Nightshade
- SR5 Premium
- SR5
- TRD Off-Road
- TRD Off-Road Premium
- TRD Pro
- Trail
- Venture
Known issues on the 2021 4Runner. One recall is on federal record for this model year. It covers labelling on vehicles fitted with 20-inch Black Gunner Wheels: Southeast Toyota Distributors is recalling certain 2020-2022 4Runner vehicles because the load carrying capacity modification labels are incorrect, and an incorrect label may lead to unintentionally overloading the vehicle. Owners have filed 52 complaints for the year and Toyota has issued 127 technical service bulletins.
From confirming a weight rating after a wheel and tire change to chasing down one of those 127 bulletins or a scheduled service on the 4.0L V6, it keeps you on the Toyota procedure and the correct specification for your 2021 4Runner.
Southeast Toyota Distributors, LLC (SET) is recalling certain 2020-2022 4Runner vehicles equipped with 20-inch Black Gunner Wheels. The load carrying
An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a crash.
SET will mail replacement labels to owners, free of charge. Owner notification letters are expected to be mailed Septem
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 manhatta
Rear backup camera has been failing or intermittently working, it is available for insp[ection upon request. This has cr
While pulling this vehicle in to my garage about halfway in the brake pedal went to the floor and the vehicle hit a benc
On 3/30/21 it was discovered that my 2021 4runner with 5500 miles caught fire while parked in my enclosed garage. This
TIRE PRESSURE WAS 56 PSI ON ALL FOUR TIRES; MEASURED ON THREE DIFFERENT GAUGES. BRIDGESTONE DUELER H/T TIRES WITH WRITI
Showing the 5 most serious of 35 complaints filed with NHTSA.
