Question about 2003 Ford Explorer

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I have 2003 Explorer with 4.0L V6 engine. PCV valve is really loose and won't stay inside the hole in valve cover. As a result oil is sipping through. When I checked using mirror and flashlight, the hole in the valve cover doesn't have any thread and I think it should for PCV valve retention. Did I lose some sort of insert that goes inside the hole? Please help

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Yes - It should have a plastic grommet type thingy to sit in. Just push in, no threads.
Try to find one in junk yard or order from dealer.. How much could they cost?
You could try an actual grommet.. but must be oil resistant.

Posted on Nov 13, 2010

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Posted on Jan 02, 2017

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