Subaru Crosstrek 2017–2020 — technical service bulletin
Bulletin 09-73-20 · NHTSA communication 10182246 · issued Oct 27, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2020
model years
7
vehicle entries
Official summary
This bulletin provides a revised service procedure to follow when repairing minor coolant seepage identified to be coming from the air plug at the top of the radiator.
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.