Quote:
Originally Posted by jacobe38
ive read about those, but neither of these leaks could produce oil on top of the block like i have here.
right now my money is on the PCV connection.
hopefully this has been caused by weird crankcase pressures, hypothetically due to the mishimoto catch can. if that isnt it, i then most likely have a really bad blowby problem, and im also looking at doing a leakdown test to try and rule that out.
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I have the same oil catch can. Finally emptied it after 2 years and it was 1/3 full.
I'm boosted and haven't seen oil around that area on mine.
Try to do a vacuum test (using a smoke/fog machine). When going boosted, you want to replace that PCV valve with an STI one since stock can't handle it. Mine wasn't seated correctly (by me) because it's a tight area and I couldn't get to it. Took it to a shop and they smoke test it to find it, they had a hard time tightening it as well but got it done.