PCV Valve or bad head gasket? - Toyota Yaris Forums

12-14-2014, 08:49 PM

#14

CTScott

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Quote:

Originally Posted by tmontague

Hey Scott, is there a filter around the OCV for the 1NZ engines like there is for the 1ZZ's? I never thought about this part needing to be cleaned and now I'm wondering if this may be why there is oil around the OCV? Not too sure what else would cause that

The filter is not around it - It is mounted into the block below it. The 1ZZs have two, where the 1NZs just have one. The leaking issue above is either a bad o-ring or a dented valve assembly.

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