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Thread: Has anyone not had a rear diff failure with more than 50K miles on the odometer?

  1. #16
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    Re: Has anyone not had a rear diff failure with more than 50K miles on the odometer?

    Quote Originally Posted by thebigjimsho View Post
    High diff failure rate? Dear lord never look in the V1 section...
    Agreed. After that fiasco, one would think GM would have been all over these whine/noise issues on the V2 rear diffs in 2009 and 2010. These issues still arising in 2011 and 2012 models is scary. The car should be solid as a rock this late in the product cycle.


  2. #17
    mpouls1's Avatar
    mpouls1 is offline Cadillac Owners Enthusiast
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    Re: Has anyone not had a rear diff failure with more than 50K miles on the odometer?

    There were threads with members that would change out their own fluid and noticed the fluid levels low. This was back when the '09's were rolling of the line. I don't remember if I saw any '10. I haven't seen any recent threads with any '11/'12 owners so maybe no one is changing out their own fluids or the problem has been resolved.
    Last edited by mpouls1; 11-15-12 at 11:20 AM.

  3. #18
    1997BlackETC's Avatar
    1997BlackETC is offline Cadillac Owners Connoisseur
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    Re: Has anyone not had a rear diff failure with more than 50K miles on the odometer?

    My 2012 was filled right to the top from the factory so that had nothing to do with the gear whine. It's gotta be something is not wearing in proberly because like I said it got worse after 1k miles, for the first 1k miles it was fine. Then it started between 60 and 80 mph while on the gas and then went down to 45 mph.

  4. #19
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    Re: Has anyone not had a rear diff failure with more than 50K miles on the odometer?

    OrbitalGolem, I just wanted to quickly jump in to let you know I'm available via email (Katie_Lucille@gmexpert.com) if you have any lingering questions while you consider the V. In the meantime, I'm happy to see members have chimed in with the opinions you've been seeking!

    Best,

    Katie
    Cadillac Customer Service

  5. #20
    thebigjimsho's Avatar
    thebigjimsho is offline Cadillac Owners 10000+ Posts
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    Quote Originally Posted by OrbitalGolem

    Agreed. After that fiasco, one would think GM would have been all over these whine/noise issues on the V2 rear diffs in 2009 and 2010. These issues still arising in 2011 and 2012 models is scary. The car should be solid as a rock this late in the product cycle.
    These diffs don't explode, they don't whine as badly and they don't fail with any alarming regularity. And there is NO wheelhop. With 556hp.

    Except that the fluid gets hot on the track, I think GM knocked it out of the park.

  6. #21
    neuronbob's Avatar
    neuronbob is offline Cadillac Owners Connoisseur
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    Re: Has anyone not had a rear diff failure with more than 50K miles on the odometer?

    ^^^^
    The Big Jim knows of what he speaks, having been both a V1 and V2 owner.

    There is no widespread diff problem with the V2s. I'm confident enough in the V2 that I just bought another one. Crossing fingers!

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