This factory service and repair manual is keyed to the 2021 Toyota Tundra specifically — the 5.7L V8 (3UR-FE), the cab configurations and the trims Toyota actually built that year — so the figures and sequences you work to are the ones published for this truck, not values carried across from an adjacent model year that happens to share the name.
Engines
- 5.7L 5700CC V8 GAS Naturally Aspirated
Trims
- 1794 Edition
- Limited, 4D Pickup Crew Cab
- Limited, 4D Pickup Extra Cab
- Nightshade, 4D Pickup Crew Cab
- Nightshade, 4D Pickup Extra Cab
- Platinum
- SR
- SR5, 4D Pickup Crew Cab
- SR5, 4D Pickup Extra Cab
- TRD Pro, 4D Pickup Crew Cab
- TRD Pro, 4D Pickup Extra Cab
- Trail
Known issues on the 2021 Tundra. Three recalls are on federal record for this model year, and two of them land on the same component. Both concern the hydraulic power assist steering system: one covers JTEKT power steering gear assembly service parts supplied for 2007-2021 Tundra and 2008-2022 Sequoia, the other covers 2008-2022 Sequoia and 2007-2021 Tundra vehicles whose power steering gear assembly may have been manufactured incorrectly. In each case an oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash. The third covers 2018-2021 Tundra vehicles, where the headlight electrical circuits may power the high and low beams simultaneously, and an overheated electrical connector can increase the risk of a fire. Owners have filed 30 complaints against the 2021 Tundra, and Toyota has issued 134 technical service bulletins for it.
Tracing a loss of steering assist back to a leaking gear assembly, checking a high and low beam circuit, or setting a torque figure on the 5.7L V8, you are working from Toyota's own procedure for this 2021 Tundra.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2021 Tundra vehicles. The headlight electrical circuits may power the hig
An overheated electrical connector can increase the risk of a fire.
Dealers will modify the engine wire harness assembly and replace any damaged bulb, bulb connector, and/or headlight asse
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2008-2022 Sequoia and 2007-2021 Tundra vehicles. The power steering gear assem
An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.
Dealers will inspect and replace the power steering gear assembly as necessary, free of charge. Owner notification lett
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain JTEKT power steering gear assembly service parts for 2007-2021 Tundra and 2008-
An oil leak may cause a sudden loss of power steering assist, increasing the risk of a crash.
Dealers will inspect and replace the power steering gear assembly, free of charge. Owner notification letters were mail
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
Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service B
Showing the 8 most recent of 134 technical service bulletins on file with NHTSA.
Airbag , it was bad accident on freeway , but my car airbag did not work.car did not inspect with dealer , they were not
Wayne drove the truck to work. It was an icy day in Texas so he drove slower than usual. He went to pick up a part (fo
The contact owns a 2021 Toyota Tundra. The contact received notification of NHTSA Campaign Number: 21V920000 (Steering)
The power steering failed at around 38,000 miles. The dealership indicated the entire assembly needs to be replaced whi
My sunroof exploded due to weather conditions while i was driving with my family on highway during heavy rain storm
Showing the 5 most serious of 24 complaints filed with NHTSA.
