Subaru Ascent 2006–2024 — technical service bulletin
Bulletin 03-96-25 · NHTSA communication 11017444 · issued Apr 22, 2025
Technical service bulletin
communication type
Power Train
component
2006–2024
model years
37
vehicle entries
Official summary
This bulletin announces design changes made to the rear axle hubs. These changes have been implemented to reduce cases water intrusion further leading to harmonic, humming, and grinding type sounds heard from the axle hub while driving.
Vehicles covered
- 2019 Subaru Ascent
- 2020 Subaru Ascent
- 2021 Subaru Ascent
- 2022 Subaru Ascent
- 2023 Subaru Ascent
- 2024 Subaru Ascent
- 2006 Subaru B9 Tribeca
- 2007 Subaru B9 Tribeca
- 2008 Subaru B9 Tribeca
- 2009 Subaru B9 Tribeca
- 2010 Subaru B9 Tribeca
- 2011 Subaru B9 Tribeca
- 2012 Subaru B9 Tribeca
- 2024 Subaru Crosstrek
- 2019 Subaru Forester
- 2020 Subaru Forester
- 2021 Subaru Forester
- 2022 Subaru Forester
- 2023 Subaru Forester
- 2024 Subaru Forester
- 2024 Subaru Impreza
- 2013 Subaru Tribeca
- 2014 Subaru Tribeca
- 2011 Subaru WRX
- 2012 Subaru WRX
- 2013 Subaru WRX
- 2014 Subaru WRX
- 2015 Subaru WRX
- 2016 Subaru WRX
- 2017 Subaru WRX
- 2018 Subaru WRX
- 2019 Subaru WRX
- 2020 Subaru WRX
- 2021 Subaru WRX
- 2022 Subaru WRX
- 2023 Subaru WRX
- 2024 Subaru WRX
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.