Unlike oil or filters, the pcv valve does not have a fixed, universally published replacement interval across all audi models
Instead, replacement decisions are driven by symptoms, mileage, and.
Consult the owner’s manual for the specific maintenance schedule
A failing pcv valve presents.
Learn when to replace pcv valve with our comprehensive guide
Trusted mechanic suggested pcv replacement
What's the next thing to look at
After having three vehicles in a row with pcv valves that were not made to be easily replaced i've come to the conclusion that they should be changed when they go bad, not preventively.
Not exactly sure on lifespan, but when you put an order together get the latest revisions (they both actually have check valves)
Mine have worked for about 40k so far
Determine the precise maintenance schedule for your pcv valve
We break down manufacturer guidelines, warning signs, and replacement steps.
As linked, factory schedule is every 10k miles.
Although some maintenance schedules include an interval for replacing the positive crankcase ventilation, or pcv, valve, others may not
Learn exactly how often to replace your pcv valve
Prevent oil leaks, engine sludge, and poor mpg with this essential maintenance interval guide