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  1. #1
    Awesome member Bad Co.'s Avatar
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    Aug 2009
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    Texas
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    Green
    1994 Z28

    A4 trans wont shift

    I have a 99 t/a with the a4. Nothing major done mild heads, cam. When im on a pass, or just getting in it on a country road it doesnt want to shift from 3rd to 4th. I will hit the rev limiter everytime. I do have a B&M shift pak plus. It a electronic shift kit that ups the line pressure in the trans. I took it off and still no difference. Possible valvebody issues? The trans has only 94K miles on it and has seen the shift kit since new.

  2. #2
    Senior Member bills98ta's Avatar
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    Feb 2007
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    St Thomas, PA
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    5,046

    White
    1998 Trans Am

    The shift points need changed in the ecm. Do you have a programmer ?

  3. #3
    Awesome member Bad Co.'s Avatar
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    Green
    1994 Z28

    I do not and my local tuner says its the trans. Possible valvebody issues. I have asked him to go through the ecm.

  4. #4
    old timer blue02Z's Avatar
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    Navy Blue Metallic
    2002 Z28

    does it go into 2nd okay? it does sound like valve body issues, unless it doesnt go into 2nd. then its the 2-4 band that is burned up

  5. #5
    Senior Member JaycenK's Avatar
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    1997 Camaro Z-28

    Mine did that in just about every gear before it took a crap. You need to see what the actual line pressure is and see if it falls on it's face before it is supossed to shift.

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