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Thread: plenum noise??

  1. #1
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    '97 VT ecotec

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    Default plenum noise??

    97 VT 3.8L , have a strange gurgling/bubbleing nosie coming from around the plenum. never heard it be4 so im thinking somethings up ? any ideas ? cars running fine for the time being , no miss-fire , no oil leaks ect . im a little confused !

  2. #2
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    '92 HSV VP GTS

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    Maybe your inlet manifold is sucking in air/coolant? Loosing any coolant? Get a 700ml or similar bottle of water and tip a small amount where the inlet manifold and heads meet, with the engine running and see if the cars revs change.

  3. #3
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  4. #4
    Fr3ak+--'s Avatar
    Fr3ak+-- is offline Closed On Monday
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    Vt Exec 5 Speed

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    you would have to replace the inlet manifold gasket..

    if that doesn't work though.. try the same thing but with some start you bastard
    Last edited by Fr3ak+--; 08-08-2008 at 10:59 AM.

  5. #5
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    Quote Originally Posted by Fr3ak+-- View Post
    you would have to replace the inlet manifold..

    if that doesn't work though.. try the same thing but with some start you bastard
    Not the manifold itself lol, just need to take the manifold off, replace coolant and put new gaskets on there.

  6. #6
    Fr3ak+--'s Avatar
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    my bad forgot to add the word gasket lol

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