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Clunk in reverse

This is a discussion on Clunk in reverse within the General Help forums, part of the LSx Technical Help Section category; When I start the car and go to put it in reverse it makes a metallic clink sound. You can ...

  1. #1
    Member c5z28's Avatar
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    Clunk in reverse

    When I start the car and go to put it in reverse it makes a metallic clink sound. You can hear it at the 31sec mark. I tried to do it again but it seems I can only get it to do it once.
    Guessing it's the u-joint but I thought i'd ask here.

  2. #2
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    All I hear is motor.. But could be a universal joint going, lash between the ring and pinion. Or torque arm/ trany mount issue starting.. But this is all speculation..
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    Member c5z28's Avatar
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    Aaaahhhh listen better, I made sure I could here it in the vid before posting here.
    I doubt it's backlash there would have to be an unholy amount of wear since I last checked it. Ah the joys of 100k cars-I have another thread coming up in just a few

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by c5z28 View Post
    Aaaahhhh listen better, I made sure I could here it in the vid before posting here.
    I doubt it's backlash there would have to be an unholy amount of wear since I last checked it. Ah the joys of 100k cars-I have another thread coming up in just a few
    Err maybe it's my surround sound or I'm just getting old cuz I still cant hear it..

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    Member c5z28's Avatar
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    Damn duals

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by c5z28 View Post
    Damn duals
    Oh no, you should hear your beast in surround! Sorry I could'nt be of more help..

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    Member c5z28's Avatar
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    Thanks I need a better quality camera, this one does it no justice

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    Veteran Blackbird WS6's Avatar
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    yea im havin the same problem steve is....i cant hear the noise either

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    Senior Member JayTA98's Avatar
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    can you put the camera underneath the tranny mount area? or does it hit?

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    its short but its skinny. jiveass's Avatar
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    could be u-joints...could be rear..

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    Member 00ls-1's Avatar
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    i heard it about 33 seconds....mine does it too

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    Member 00ls-1's Avatar
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    nevermind watched it again it is at 31 seconds

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    Moderator 35th-ANV-SS's Avatar
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    Hmmm. I can hear it, but have no idea Sounds pretty quiet to me. Possibly u-joint.

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    Member c5z28's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Hmmm. I can hear it, but have no idea Sounds pretty quiet to me. Possibly u-joint.
    That's cause my exhaust is so bad ass

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    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by c5z28 View Post
    That's cause my exhaust is so bad ass
    Yeah next time put the camera right near the exhaust tip and in a parking garage

  16. #16
    Veteran Blackbird WS6's Avatar
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    DS hitting his (so called) badass exhaust

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    Member c5z28's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Yeah next time put the camera right near the exhaust tip and in a parking garage
    Done it, have plenty of vids of fly-by's, autoxing, and a dyno pull but my camera sucks balls sound wise. Post some worhty pics in iroc's girls thread and i'll make a special trip to the parking garage just for you
    Quote Originally Posted by Blackbird-WS6 View Post
    I wish I had a custom exhaust like c5z28
    word.. word

  18. #18
    Moderator 35th-ANV-SS's Avatar
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    WTF. I contributed to the g/f thread. A whole like 3 pics

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    Veteran 0rion's Avatar
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    here we go again with the off topic non-sense in tech areas.........if it doesn't pertain to the thread take it to PM's or AAG.

  20. #20
    Junior Member BAD_EFX's Avatar
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    That sound is coming from your trans... it is completely normal, some cars do it louder than others. It just part of the design of the 4L60E and it happens when you put it in reverse. In fact, there is a part in the transmission to help soften this noise called the "anti clunk spring" ... if the trans has ever been rebuilt, i may have been left out and this noise would be louder than normal, but I wouldn't worry about.

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