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Thread: Oil Around Turbo

  1. #1
    Join Date
    Jan 2008
    Location
    Georgia
    Posts
    6

    Question Oil Around Turbo

    I have been noticing a small amount of oil around the turbo housing on my LLY in the last few weeks. Here more recently it seems to be getting worse.

    I also have noticed less noise from the turbo than it normally has and it seems that it is taking longer to build boost/ slight power loss.

    Any ideas? Or is time to pony up for an aftermarket turbo?
    05 Dmax 4wd Crew Cab 108,000 Miles
    Bully Dog Programmer
    5" Banks Exhaust, Turbo Back
    Banks Air Box & Intake
    305 x 55 x 20- Summer Tires
    285 x 75 x 16 - Winter Tires

  2. #2
    Join Date
    Mar 2007
    Location
    Pacific Northwest
    Posts
    740

    Default

    Oil around the turbo inlet is normal. The LLY has a closed PCV system which means that the crankcase vapors are reintrodused into the air intake. Thatis why there is also an oil resideu at the CAC tube boots.
    1998 Chevy k-2500 454 147,000 miles and climbing!

    1993 Pontiac G/A Big Block 3.3 Liter 140,000 miles and still going too!

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