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Car jumps when shifting from R-D

This is a discussion on Car jumps when shifting from R-D within the Suspension and Handling forums, part of the General Help category; My 2000 Trans Am has had this problem for a while now, the problem is when i shift from D-R, ...

  1. #1
    Suckin Gas-N-Haulin Ass lx24's Avatar
    Join Date
    Mar 2007
    Los Angeles


    Angry Car jumps when shifting from R-D

    My 2000 Trans Am has had this problem for a while now, the problem is when i shift from D-R, or from R-D, the car jumps, and makes a thumping sound, it also does it while braking, and when i go over speed bumps and such, i initially thought is was caused by a warped rotor so i replaced all four with drilled and slotted, then i figured it was the shocks going out so i replaced all four, with bilsteins, and new eibach springs, but my car still does the same thing, i need help because its getting more and more frustrating!!!! Thanks!!

  2. #2
    ruff ruff rotwiler's Avatar
    Join Date
    Aug 2005
    WA State

    LT's, 3400 stall, FIPK,CB
    2002 Z28

    Sounds like a:
    possible motor mount or tranny mount.
    Can't think of anything else that could cause it except for high idle, but then there wouldn't be a thump.

  3. #3
    Senior Member mrr23's Avatar
    Join Date
    Jul 2005
    orlando, fl

    dark bowling green
    2000 corvette

    check your trans mount.

  4. #4
    Senior Member JonB's Avatar
    Join Date
    Sep 2006

    2005 GTO

    Quote Originally Posted by mrr23 View Post
    check your trans mount.
    I agree.

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