TSB T-TT-0636-20 — Toyota Service bulletin
T-TT-0636-20 is a service bulletin on file with NHTSA for 7 Toyota models, 1994–1999 model years, filed and re-filed as 3 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years T-TT-0636-20 names
| Vehicle | Model years |
|---|---|
| Toyota 4Runner | 1994, 1995, 1996, 1997, 1998, 1999 |
| Toyota Avalon | 1995, 1996, 1997, 1998, 1999 |
| Toyota Camry | 1994, 1995, 1996, 1997, 1998, 1999 |
| Toyota Corolla | 1994, 1995, 1996, 1997, 1998, 1999 |
| Toyota RAV4 | 1996, 1997, 1998, 1999 |
| Toyota Sienna | 1998, 1999 |
| Toyota Tacoma | 1995, 1996, 1997, 1998, 1999 |
Every document filed under T-TT-0636-20
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| T-TT-0636-20 Rev | March 12, 2021 | Service bulletin |
| T-TT-0636-20 | December 14, 2020 | Service bulletin |
| T-TT-0636-20 | December 14, 2020 | Service bulletin |
What T-TT-0636-20 covers
Brakes & stability, Driver assistance — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB T-TT-0636-20?
T-TT-0636-20 is a service bulletin filed with NHTSA by Toyota, covering 7 Toyota models across the 1994–1999 model years. NHTSA's summary reads: TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
Which vehicles does T-TT-0636-20 cover?
NHTSA's file names Toyota 4Runner (1994–1999); Toyota Avalon (1995–1999); Toyota Camry (1994–1999); Toyota Corolla (1994–1999); Toyota RAV4 (1996–1999); Toyota Sienna (1998–1999); Toyota Tacoma (1995–1999). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB T-TT-0636-20 a recall, and is the repair free?
No. T-TT-0636-20 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of T-TT-0636-20?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under T-TT-0636-20, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under T-TT-0636-20. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.