Toyota Avalon 2021 — technical service bulletin
Bulletin T-SB-0008-21 · NHTSA communication 10188917 · issued Feb 9, 2021
Technical service bulletin
communication type
Power Train
component
2021
model years
3
vehicle entries
Official summary
TSB: Some 2021 model year Avalon, Highlander, and Camry vehicles equipped with UA80E or UA80F transmissions may exhibit a whine or grind noise from the transmission. This condition may be caused by an issue with the front carrier assembly pinion shafts. Follow the Repair Procedure in this bulletin to address this condition.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.