Subaru Crosstrek 2019–2021 — technical service bulletin
Bulletin 09-80-21R · NHTSA communication 10253903 · issued Apr 1, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2021
model years
8
vehicle entries
Official summary
This bulletin announces availability of a new thermo control valve assembly. The new valve contains an enhanced stainless steel internal shaft for optimized durability along with advanced water proofing for the sensor portion.
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.