Valve Cover Gasket Leak on 1999 Passat V6

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  1. #1
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    Valve Cover Gasket Leak on 1999 Passat V6

    My mechanic told me I have a slight leak on the valve cover gasket. It is not an external leak, rather a leak into the spark plugs "tubes".

    Since it is a slight leak, how important is it to get it fixed?

    If it is left alone, what would hapen eventually?

    Thanks

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  3. #2
    $t0rm1n n0rm@n
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    Just fix it man.....Oil i the spark plugs just doesn't sound good at all. DIY to save $$$$

  4. #3
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    Uh-oh. Duuuuuude, you better have DEEEEEP pockets in which to store all the rags you'll need to wipe up the slowly accumulating mess. If you let it go a year or more, you might even have to degrease the engine!

    Don't sweat it unless it gets much worse. I've read (and experienced) good results from replacing the PCV valve/tubing and using 5w-40 weight oil. There a bajillion threads on this topic, but these are my conclusions for what works as a first step.

  5. #4
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    Quote Originally Posted by jdbs3

    If it is left alone, what would hapen eventually?

    Thanks
    You would run out of oil and come to a screeching halt

    Sorry, it's a pretty common fault on Passats.
    I replaced the valve cover seals about 2 years back.

    The stealership kept 'fixing' the leak by tightening down on the cover bolts.
    This does not do a damn thing. The gasket has a metal support so all you are doing is trying to crush the metal.
    The gasket gets brittle and cracks causing the leaks.

    Just get the gasket replaced. $200 apx or $50 to do it yourself.

  6. #5
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    valve cover gaskets

    if u r the original owner & have less then 100 k miles, this is covered under the 10 yr / 100 k warranty. if u r, & depending what the mileage is u may want to consider doing a few other items along with the gaskets.

  7. #6
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    Valve Cover Gasket Follow-Up

    RE: & depending what the mileage is u may want to consider doing a few other items along with the gaskets.

    Okay, I plan to get the gaskets replaced. My mechanic said there were two.
    The car has 125K on it. What other things would you consider to have done at the same time?

    The timing belt was just changed at 92K. And I just had a tune (new plugs, fuel filter, air filter,distributor cleaned, checked PCV, etc.). This is when they found the small leak.

    thanks

  8. #7
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    There is a slight benefit to having oil in the plug wells. If you get water in there it will prevent misfiring! Even so change the gasket. Eventually it will foul up the connection and degrade the rubber.

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