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Thread: 2007xlr-v

  1. #1
    Junior Member
    Join Date
    Feb 2016
    Location
    whitney tx
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    2
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    Cadillac XLR

    2007xlr/v

    Default 2007xlr-v

    making a buzzing sound when driving a fixed speed. when i bearly accelerate it stops. sounds like exaust. had it checked its ok. does anyone know what it may be. thanks

  2. #2
    Member
    Join Date
    May 2017
    Location
    Camden, Maine, and Melbourne, Fl.
    Posts
    54
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    Cadillac XLR

    2007 (red) with wire grrile

    Default

    Hi Tony,

    I had a similar set of circumstances with my 2007, it had almost 30K miles on it when I purchased it this summer. Several XLR members suggested that the problem might be related to the fluid that was originally used to lubricate the differential... that a more modern and up dated more "slippery" oil does away with noises associated with a limited slip differential, and also, in some cases, a literal "hop" when parking the vehicle and moving in reverse or forward at dead slow speeds.

    My noise disappeared as I drove the car more regularly, but I do plan to invest in a differential oil change as well as other libricants that are now over a decade old. I hope this helps, James

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