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Question on turbo leakage?
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Posted by Scott (more from Scott) on Wed, 18 Jun 2008 12:55:19 Share Post by Email
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I just had my turbo replaced on my 2002 V6. The one that came off had a loose bearing but I really don't know how loose they should be? Turbo number 1 (original) was dumping oil into the intake (visible smoke). Turbo number 2 was doing the same. Now turbo number 3 (replaced at 67K miles) has about 100 miles on it and I pulled the outlet hose from the compressor side of the turbo and oil was dripping out. The SAAB invoice says removed intercooler and plumbing and cleaned, replaced turbo. There's quie a bit of oil leaking out of the new turbo, prior to the intercooler, it seems. So all these turbos may not be the turbo at all? The PCV check valve is fine, no perceivable crankcase pressure, air filter clean. I'm now wondering if the turbo is getting too much oil and/or not draining quickly enough back to the oil pan? I'm having a difficult time believing the new turbo is defective. No visible smoke from exhaust, however. Anyone have some suggestions on the possible cause of oil getting past the turbo seals?

I also wondered if someone makes an adapter to fit the round connectors on each end of the turbo oil-feed line? I guess they are banjo connectors? Not sure what they are called? Anyway, I have an oil accumulator from my racing days I'd like to hook up to that line for post oiling after shutdown. I may have to get a special supply line manufactured? Ideas?

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