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turbo and oil pressure
Posted by turbocon86 (more from turbocon86) on Wed, 22 Oct 2008 06:33:36
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I'm having issues with an oil leak on my turbo. The turbo has not failed as far as I can tell. No excessive play, spins freely, no strange noise, recent rebuild. It has a 360 degree oil seal on the exhaust side from SD. SD told me that it's not likely that that seal has failed and that the issue could be caused by excessive oil pressure. I'm trying to diagnose the most likely cause of this. The PCV system is functioning properly--checked that. I have not checked the oil-return tube from the turbo for clogs yet, but because of it's diameter, I don't think that is likely. Could it be the oil pressure relief valve? If so. do I need to drain the oil before pulling it to check that? Excessive pressure seems like a likely cause (excepting seal failure) because I've got oil all over the place. It's seeping from every turbo-related joint.
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