Thread: smoky turbo
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Old 10-31-2009, 07:00 PM   #2
moonzie
Scooby Specialist
 
Member#: 128537
Join Date: Oct 2006
Chapter/Region: MWSOC
Location: Bloomington, Indiana
Vehicle:
2004 Baja Turbo
Red/Silver

Default

Well I didn't see any oil around the oil feed lines, including the place where it typically cracks; it was dry.

I did see oil around in a variety of other places though. Removing the intercooler there was a small film of oil inside the turbo and intercooler, and one or two drips of oil when it came off (from inside the IC) but that's all. I removed the Y-pipe and they too looked fairly clean inside.

But really it seems there was a lot of oil buildup on the underside of the intercooler, closer to the front / throttle body. I don't think the throttle body hose clamps were on very tight; tightened good. The large hose clamp that connects the main intake to the turbo housing was very loose and had a film of oil on it; tightened down good.

suggestions?

I'm just wondering if the internal bearing seals in the turbo are going. That would be the suck, but it might explain some of these oil films.

Could be the PCV valve. I tried to remove it but failed; it's in there REALLY tight, and it's all plastic. There's no clamps on the underside of that fitting it on the tube that feeds to the engine block.
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