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  1. #1
    Active Member Two Rings Zmassingill's Avatar
    Join Date
    Dec 03 2010
    AZ Member #
    67816
    Location
    Houston

    2.7t half moon valve cover gasket oil leak

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    How bad can that oil leak get? I recently did timing belt and frankenturbos and today was the first time i cranked the engine, everything was running fine but it was just dumping oil out from rear driver side of motor. When i say dumping, i really mean pouring oil like it was just an oil spout. I checked turbo on driver side and its dry, and the oil feed for the driver side is closer to the passenger side under the manifold right? So really, all thats left that ive hear of leaking that much is the half moon plug, and im really just looking for input and to see if it can actually leak that bad. (Keep in mind, the motor was out for a couple weeks and i could have hit the plug or accidentally moved it.

    Thanks.
    Ruining things is my job.

  2. #2
    Veteran Member Three Rings
    Join Date
    Jun 10 2013
    AZ Member #
    116885
    Location
    United States

    If you knocked the plug out I suspect you would get a good leak but not like a hole in a turbo oil cooler line. The valve train has oil mixing around but there shouldn't be any pressure and most of it should be draining back to the oil pan via gravity. Do you have pictures or a video?

  3. #3
    Active Member Two Rings Zmassingill's Avatar
    Join Date
    Dec 03 2010
    AZ Member #
    67816
    Location
    Houston

    I dont yet, im gonna use my snake cam and see if I cant catch the culprit in action tomorrow. As a side note, leaking only occurs during KOER, once i shut it off the oil stops pouring like faucet. Thats why im leaning (hoping/praying) that its the plug and not the oil lines for the turbo.
    Ruining things is my job.

  4. #4
    Account Terminated Three Rings
    Join Date
    Dec 16 2014
    AZ Member #
    303295
    Location
    Irvine, CA

    Check if the cam plug on the rear part of the head popped out, but I would say if you just did turbos and did not touch the heads, it is probably the oil lines.

  5. #5
    Active Member Two Rings Zmassingill's Avatar
    Join Date
    Dec 03 2010
    AZ Member #
    67816
    Location
    Houston

    Pulled the motor and fixed the leak, now I have a new problem. Got the motor back in, and no there's a no crank no start issue. Battery has juice, dashboards yelling at me for no brake pads(doing entirely new front suspension), however PRNDL is all lit up on lcd screen. Any fail safes you guys know of? Or anything that's easily missed? I've gone through and made sure all my connections are solid.

  6. #6
    Active Member Two Rings Zmassingill's Avatar
    Join Date
    Dec 03 2010
    AZ Member #
    67816
    Location
    Houston

    Found the problem, some oil from the leak got in one of the tranny connectors, cleaned it out and got it running, smooth as butter :)

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