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Old 10-22-04, 05:21 PM
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Cadillac(s): 2009 CTS-V
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The Whine Is Gone

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Just got the V back from my dealer. Replaced the differential. No more whine. I certainly hope this differential stays this way because the quiet is very nice.

BTW, the part listed is 10368780 F-Carrier. I don't believe that this is a new differential (although others on these boards have talked about a new one) but simply a replacement of the original.

BTW #2, they listed the cause of the whine as "play in side bearing," for whatever that's worth.