Valve cover oil leak on 1.8 liter LUW
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Thread: Valve cover oil leak on 1.8 liter LUW

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    plano-doug is online now [OP]
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    Jul 2015
    Plano, TX

    Valve cover oil leak on 1.8 liter LUW

    I was looking under the hood of my daughter's 2012 Cruze 2LS (~60k miles, 1.8 liter LUW) and noticed oil leaking. It appears to be coming from around the valve cover.

    Reading the forum, I've learned the 1.4 turbo is known for leaking there, with the PCV being the underlying cause.

    Is the 1.8 liter LUW known for valve cover leaks as well? Or is this unusual?

    Looking at the pics, in the driver's end view (2nd pic) I can see the oil dripping down.

    But in the front view (1st pic), it appears to be spreading upwards. I attribute that to the airflow from the fan? Interestingly, there doesn't appear to be any residue from it dripping down there.

    Removing the panel from atop the valve cover (3rd pic), I see small amounts of oil there as well.

    I checked the bolts near the front-left corner, and all appear to be quite snug, so that's not the problem.

    Diagnosis: Is a new valve cover gasket all that's required here? Or something else as well?

    Repair: Any gotchas to be aware of in removing and replacing it? Is there an upgraded gasket to ask for?






    Last edited by plano-doug; 02-21-2019 at 01:20 PM.
    -- Copper 2012 Cruze 2LS
    -- Silver 2013 Cruze 1LS
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