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PCV Valve

This is a discussion on PCV Valve within the General Help forums, part of the LSx Technical Help Section category; 97 Z28 A4. Manual says to check the PCV Valve by unplugging it and shaking to see if it rattles, ...

  1. #1
    Sinister Z
    Guest

    PCV Valve

    97 Z28 A4. Manual says to check the PCV Valve by unplugging it and shaking to see if it rattles, or start car and check for vacuum. I did, no rattle or vacuum. Also appears to have no vacuum on the TB port. A little oil in the line also. Any help please?

  2. #2
    LT1KING GOODZ/BADZ's Avatar
    Join Date
    Nov 2005
    Location
    Fontana, Ca.
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    36
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    127

    Black/Black
    96 Vert Z28-RIP/94 TT Z28

    Your PCV valve is plugged so you have excessive crankcase pressure that can cause you to blow seals and gaskets. Thats what happened to me so I'm changing the valve stem seals right now, I hope it's just the valve seals and not my piston rings. I fouled out 2 plugs cause of this.

  3. #3
    Sinister Z
    Guest
    But whenever I blew through the line it didnt seem clogged.

  4. #4
    quicky06
    Guest
    dude it cost like 3 dollars just buy a new clean one.

  5. #5
    Member
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    Nov 2005
    Location
    nc
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    31
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    290

    silver
    2000 camaro ss

    what kind of problems are you guys having??

  6. #6
    LT1KING GOODZ/BADZ's Avatar
    Join Date
    Nov 2005
    Location
    Fontana, Ca.
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    36
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    127

    Black/Black
    96 Vert Z28-RIP/94 TT Z28

    It's your pcv valve that's clogged, not the hose, that's why it does'nt rattle when you shake it. Drop the 3 bucks and get one.

  7. #7
    Junior Member
    Join Date
    May 2006
    Location
    iowa
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    2

    Cayanne
    98 Z-28 Convertible

    I believe on the 97, the "vacuum" line is in FRONT of the TB.. So you would not have any vacuum.
    And the posts are right. Just spend 3 bucks.

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