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WS6 tranny area clunk during launch?

This is a discussion on WS6 tranny area clunk during launch? within the General Help forums, part of the LSx Technical Help Section category; Just picked up a 2000 TA WS6 wednesday. She's got some mods but has only 54k miles on her and ...

  1. #1
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    WS6 tranny area clunk during launch?

    Just picked up a 2000 TA WS6 wednesday. She's got some mods but has only 54k miles on her and cleaned up like new. One thing I noticed when you get in it there is a clunk in the tranny tunnel area, almost like it's coming from under the drivers side seat. I have not had her on a lift yet so see whats up. I'm thinking it's the tranny mount or torque arm? Maybe the exhaust rubbing? She does have headers and a Magnaflow catback? Any common issues come to mind? BTW the shifter doe not move.
    Last edited by eteller; 11-24-2012 at 06:41 AM.

  2. #2
    Member robs98mysticZ's Avatar
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    Mystic Teal Metallic:320c
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    maybe the y pipe hitting the floor on drivers side

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    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
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    Thinking about how old the car is even at 54k miles, the car is still almost 13 years old. I would be willing to bet money that transmission mount comes out looking pretty worn out as well as your motor mounts and torque arm mount. It could certainly be the ypipe hitting but that's a common problem with bad motor mounts. I suggest looking over everything and possible replacing those mounts just for good measure.

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    And welcome to the site

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    expensive tires az gt eater's Avatar
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    Quote Originally Posted by tatertot91 View Post
    It could certainly be the ypipe hitting but that's a common problem with bad motor mounts. I suggest looking over everything and possible replacing those mounts just for good measure.



    And welcome to the site
    Second this. Most of the time, the y pipe can be tweaked to stay clear of the floor pan when the engine torques to the driver's side.

  5. #5
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    Thanks guys, that's kinda reassuring as those are easy fixes. I'm thinking Energy Suspension motor and tranny mounts are on the short list unless you guys have a preffered brand?

  6. #6
    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
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    From my personal experience I would recommend prothane mounts. Energy suspensions tends to give a harsher ride IMO. Really depends on your idea of harsh though.

  7. #7
    Smiles for 9.5 Years cammed goat's Avatar
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    Keep us posted. Also, while you're checking everything, inspect your u-joints. Ya never know.


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    Got the front of the car up today to change the oil, looks like it is the Y pipes they are close. From what inspection I could do, everything looks okay. Think I'll do the mounts anyways.

  9. #9
    expensive tires az gt eater's Avatar
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    Sounds like you figured it out. The mounts are a good idea, just remember, you are going to get more vibration with prothane mounts. The factory rubber mounts are soft, and transfer less vibration.

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    Junior Member Warmonger77's Avatar
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    Had to knock a small relief in the floor above my driver side header collector cause it was hitting on hard acceleration.
    Mike West
    02 Trans Am
    Southaven, MS

  11. #11
    Senior Member tatertot91's Avatar
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    Quote Originally Posted by Warmonger77 View Post
    Had to knock a small relief in the floor above my driver side header collector cause it was hitting on hard acceleration.
    Did you replace your motor mounts as well with the install?

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    Man those mounts look impossible!

  13. #13
    Junior Member Warmonger77's Avatar
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    Had a shop do the rear main and headers. My car has low miles so the motor mounts got reused. In hindsight, I should have had them replaced.

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