Subaru Ascent 2019 — technical service bulletin
Bulletin WUW-08R · NHTSA communication 10202813 · issued Oct 13, 2021
Technical service bulletin
communication type
Electrical System
component
2019
model years
3
vehicle entries
Official summary
Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019 model year Ascent, Forester, and Crosstrek Hybrid vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective.
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.