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Thread: Rear differential clunking noise

  1. #1
    Join Date
    Jun 2012
    Posts
    320

    Rear differential clunking noise

    Recent noise in the differential...only while backing up...not sure what to expect when I take it in to the dealer...fingers crossed.


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  3. #2
    ccclarke's Avatar
    ccclarke is offline Cadillac Owners Connoisseur
    Automobile(s): '02 ETC CE, '04 CTS-V, '04 XLR, '13 XTS Platinum
    Join Date
    Apr 2004
    Location
    Uncanny Valley, New England
    Posts
    1,717

    Re: Rear differential clunking noise

    Hopefully it just needs a fluid change. Make sure the proper additive (or fluid containing the additive) is installed. This has cured many issues similar to yours.

    CC

  4. #3
    Join Date
    Mar 2010
    Location
    Detroit, USA
    Posts
    12,710

    Re: Rear differential clunking noise

    Quote Originally Posted by Johnxlrv View Post
    Recent noise in the differential...only while backing up...not sure what to expect when I take it in to the dealer...fingers crossed.
    Hello Johnxlrv,

    I understand how vehicle concerns can be disheartening to deal with. If you would like to further discuss your situation or have my involvement while working with your dealership, please let me know. I can be contacted via private message.

    Sincerely,

    Laura M.
    Cadillac Customer Care

  5. #4
    Join Date
    Jun 2012
    Posts
    320
    Ok thanks all...looking at 41k mostly passive driving; hoping that this issue that is so well known on the 1st gen CTSV does not translate to the C06 vette differential that is installed on the XLRs

  6. #5
    Join Date
    Jun 2012
    Posts
    320
    Quote Originally Posted by Johnxlrv
    Ok thanks all...looking at 41k mostly passive driving; hoping that this issue that is so well known on the 1st gen CTSV does not translate to the C06 vette differential that is installed on the XLRs
    Update...seems the diff gear oil change resolved the issue...this should be done at 30k intervals...


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