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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
    Super Moderator mrr23's Avatar
    Join Date
    Jul 2005
    orlando, fl

    2014 camaro 2ss/rs

    check your trans mount.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers

  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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