Subaru Forester 2013–2021 — technical service bulletin
Bulletin 05-84-21R · NHTSA communication 11027076 · issued Dec 8, 2025
Technical service bulletin
communication type
Suspension
component
2013–2021
model years
31
vehicle entries
Official summary
This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.
Vehicles covered
- 2019 Subaru Forester
- 2020 Subaru Forester
- 2021 Subaru Forester
- 2015 Subaru Legacy
- 2016 Subaru Legacy
- 2017 Subaru Legacy
- 2018 Subaru Legacy
- 2019 Subaru Legacy
- 2020 Subaru Legacy
- 2021 Subaru Legacy
- 2015 Subaru Outback
- 2016 Subaru Outback
- 2017 Subaru Outback
- 2018 Subaru Outback
- 2019 Subaru Outback
- 2020 Subaru Outback
- 2021 Subaru Outback
- 2013 Subaru Tribeca
- 2014 Subaru Tribeca
- 2015 Subaru WRX
- 2016 Subaru WRX
- 2017 Subaru WRX
- 2018 Subaru WRX
- 2019 Subaru WRX
- 2020 Subaru WRX
- 2015 Subaru WRX Sti
- 2016 Subaru WRX Sti
- 2017 Subaru WRX Sti
- 2018 Subaru WRX Sti
- 2019 Subaru WRX Sti
- 2020 Subaru WRX Sti
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.