1. Top plug that has a tube plugged in

    2006 unlimited 4.0 engine has a plug on the top of the engine that is leaking & must be replaced.

    My guy says he had never been able to find that part.

    How do we find this part?


    Sent from my iPhone using Jeepz.com mobile app

  2. #2
    Join Date
    Dec 1999
    Location
    Virginia Beach VA
    Posts
    8,419

    Re: Top plug that has a tube plugged in

    Any chance you could upload a photo of the part?

    Sounds like the PCV valve to me, but that's just a guess (and very easy to replace).

  3. #3
    Join Date
    Feb 2009
    Location
    Dayton Ohio Area
    Posts
    6,780

    Top plug that has a tube plugged in

    CCV. There are no PCV in 4.0
    You cloud buy new gaskets or try adding an o-ring to the gasket and CCV

    Never look down on anyone unless you are helping them up - Jesse Jackson
    "Never look down on anybody unless you're helping him up" - Jesse Jackson

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