2019 Subaru Ascent, 2019 Subaru Crosstrek, 2019 Subaru Forester Recall: Aluminum Positive Crankcase Ventilation (PCV) valve can separate, allowing…
NHTSA campaign 19V856000 · Engine and Engine Cooling · filed Dec 2, 2019 · verified Jul 30, 2026
The defect
Subaru of America, Inc. (Subaru) is recalling certain 2019 Crosstrek, Forester, and Ascent vehicles. The aluminum Positive Crankcase Ventilation (PCV) valve can separate, allowing the separated components to enter the engine, resulting in a loss of power while driving.
The risk
An unexpected loss of power while driving can increase the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Subaru will notify owners, and dealers will inspect and replace the PCV valve, free of charge. If the PCV valve has separated and the components cannot be found, the short block engine will be replaced, free of charge. The recall began January 31, 2020. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WUW-08.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
Related recalls
More Subaru Ascent recalls
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Other campaigns involving Subaru vehicles
Source: NHTSA recall database, campaign 19V856000 (manufacturer number WUW-08). Data last verified Jul 30, 2026.