Bang in right rear upon start up...ideas?
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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, Bang in right rear upon start up...ideas? in Cadillac Escalade Forums; For the last week my 06 Escalade occasionally "bangs" or pops from the right rear of the vehicle upon startup. ...
  1. #1
    zogg's Avatar
    zogg is offline Cadillac Owners Fanatic
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    Bang in right rear upon start up...ideas?

    For the last week my 06 Escalade occasionally "bangs" or pops from the right rear of the vehicle upon startup. I am guessing it is a suspension component that pops as the compressor is jacking up the back end. I have laid under the car many times, and since it does not do it every time, I can't tell where it is coming from.

    I suspect a bad bushing, but I cannot see anything that looks warn or bad....nothing shiny from being hit.

    Any ideas?? Thanks

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  3. #2
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    Re: Bang in right rear upon start up...ideas?

    it could be a backfire from needing a tune-up unless it is something different without hearing the noise i am pretty much flying blind here.

  4. #3
    DucatiGuido's Avatar
    DucatiGuido is offline Cadillac Owners Member
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    Turn your key to the on position and wait until your truck pumps up and then start it... This will help with the air ride or tune up diagnosis....

  5. #4
    zogg's Avatar
    zogg is offline Cadillac Owners Fanatic
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    Re: Bang in right rear upon start up...ideas?

    Definitely not a backfire....the truck actually moves with the noise. I can feel something hit underneath.

  6. #5
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    Re: Bang in right rear upon start up...ideas?

    do you get a service ride control message cause it may be a bad shock i know mine did a noise like a gun going off when my driver's side shock blew out it is possible the shock has a bad spot the only lets out the sir once the compressor gets it pumped up to a certain point.

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