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Subaru Ascent, Crosstrek, Forester engine valve can break apart

NHTSA campaign 19V856000 · Reported 2019-12-02 · Subaru of America, Inc.

high How serious is it? About this label

Losing power unexpectedly while driving can cause a crash; the notice does not tell you to park the vehicle, but this one should be fixed promptly.

What's wrong, in plain English

A small aluminum valve that vents pressure out of the engine can come apart. The broken pieces can fall into the engine itself, and the engine can lose power while you are driving — possibly in traffic or on the highway. A dealer will inspect the valve and replace it. If the valve has already broken and the missing pieces cannot be located, Subaru will replace the lower part of the engine at no cost.

What you should do

1. Check your VIN at nhtsa.gov/recalls. 2. Call Subaru customer service at 1-844-373-6614 (recall WUW-08) or your dealer to book the inspection; the recall began January 31, 2020. 3. The valve replacement — and the engine short block if needed — is free.

Affected vehicles (3)

2019 Subaru Ascent
2019 Subaru Crosstrek
2019 Subaru Forester

Who to contact

Subaru — official Subaru recall lookup

Customer service: 1-844-373-6614

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Subaru engine recalls: sudden power loss, stalling and coolant leaks · all 4 Subaru recalls in this area

Official notice

Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
Summary: 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.
Safety risk: An unexpected loss of power while driving can increase the risk of a crash.
Remedy: 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.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.