diff whine goes away at full throttle? and choppy, not smooth...
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View Poll Results: The whine described is probably...

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  • typical diff whine

    1 50.00%
  • something else

    1 50.00%
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2004-2007 Cadillac CTS-V General Discussion Discussion, diff whine goes away at full throttle? and choppy, not smooth... in Cadillac CTS-V Series Forum - 2004 - 2007; Does this sound like your typical CTS-V diff whine, or something different? It whines from 40-55 or so, but goes ...
  1. #1
    Senor Aguas's Avatar
    Senor Aguas is offline Cadillac Owners Member
    Automobile(s): 2004 CTS-V
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    diff whine goes away at full throttle? and choppy, not smooth...

    Does this sound like your typical CTS-V diff whine, or something different? It whines from 40-55 or so, but goes away under full throttle. Its also mostly gone during no throttle (coasting). But, at part throttle, the whine is pretty loud. Also, the whine is kind of choppy, not a smooth noise. I have no warranty, so I'll be paying for whatever I have done to it.

    Any ideas?

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  3. #2
    darkman's Avatar
    darkman is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V
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    Re: diff whine goes away at full throttle? and choppy, not smooth...

    Yes, those are the characteristics of the whine with the possible exception of the "choppy" part. I am not sure what that means. It is "choppy" in the sense that it is intermittent, but when is there such as at part throttle it is a consistent howling sound. It sounds not unlike loud all-terrain tires (or mud grips) on pavement.

  4. #3
    Senor Aguas's Avatar
    Senor Aguas is offline Cadillac Owners Member
    Automobile(s): 2004 CTS-V
    Join Date
    May 2011
    Location
    Fayetteville, AR
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    Thanks. Maybe I didnt describe it well. The tone of the whine has very fast fluctuation (almost like vibrato) that seems like it's probably 1 per revolution.

    I had a 2005 GTO with the whine (replaced diff under warranty) and it was a constant smooth tone that didn't go away under full throttle. Completely different although the same mph.

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