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Originally Posted by erubin
Oil is not leaking from valve cover. Several of you mentioned turbo seal leaks; How do you tell if the turbo is leaking through the seals. the seals i know about are not leaking (oil return from the turbo and the air intake seal to the turbo). Are there others?
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This is somewhat difficult to confirm. But, if you are agressive, there is one test that you can perform.
First, make sure the oil level is precisely at the full mark......no more......no less.
Then, take the breather off the air cleaner and route it into a bucket of some sort. Make sure that all the oil from blowby will NOT go into the engine and WILL end up in the bucket.
Drive it for at least 1000 miles.
Yes, it's quite a bit, but, the only way to confirm the culprit.
If the bucket fills up with oil............meaning 1 quart........at 1000 miles........blowby is the culprit.
If the bucket doesn't fill at all..........meaning 1 cup or less.........at 1000 miles........the turbo seals are the culprit.
Note that I just invented this test..........LMK how it works out.
