Cadillac V-Series - CTS-V, STS-V and XLR-V - Reply to Topic
Thread: Rear/Diff Failure - Please post details inside! Reply to Thread
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  Topic Review (Newest First)
03-10-2019 10:02 PM
marthawilliam I figured it was a long shot
06-08-2018 02:28 AM
Classygraftsindia need a new design
07-14-2015 07:35 AM
Ctsv53686 Hey guys I'm working on my 05 ctsv I'm putting headers and a cam in it while in the car, problem I'm having I took the manifolds off and on the passenger side someone before me broke off a bolt in the head flush,I can get it out if I can remove the plastic battery tray that the battery sits on but can't figure out how to get the plastic bottom tray out please help thanks
03-11-2015 07:17 AM
gsr838
Differential failure / problems

Is there any possibility that the rear differential from the Pontiac G8 would replace the CTS V differential. Hopefully it would be stronger and cheaper than some of the other fixes I have seen
08-31-2014 10:38 AM
gsr838
Quote:
Originally Posted by gsr838 View Post
I did not have a failure of the diff, but klunking & whine from the diff. Dlr said it needed to be replaced at 52 k miles. New diff has 3k miles and displays the same symptoms.
Dlr says the new diff has a new part # so it must be new & improved. Only driving that might have stressed is hard acceleration. This driving me nuts, because otherwise I love the car.
2005 CTS V sedan
When I returned to the dealer they said the only thing they could find was the oil in the differential had turned black. So I guess that extreme heat is a factor in the eventual failures.
08-04-2014 12:42 PM
gsr838 I did not have a failure of the diff, but klunking & whine from the diff. Dlr said it needed to be replaced at 52 k miles. New diff has 3k miles and displays the same symptoms.
Dlr says the new diff has a new part # so it must be new & improved. Only driving that might have stressed is hard acceleration. This driving me nuts, because otherwise I love the car.
2005 CTS V sedan
10-03-2013 10:40 PM
StevinStephan Had a right back rim failing. I now have another one in the 50-60 MPH speed. Wheel hop was bad. yes after a certain time did slowed up the ride and replaced it by myself.
08-15-2013 12:28 PM
blkz So if contiplating a 2014 how has the problem been addressed ?
01-12-2013 11:01 AM
CadillacCustomerService
Quote:
Originally Posted by detro996 View Post
My 2012 had a roaring noise from day one. I took it to the dealer with a few K miles and they replaced the entire differential. They said GM wanted the entire unit sent back to them. So they didn't even open it up.

After the new unit was put in, it eventually started roaring again or at least I thought it did. It wasn't sure until my 2013 arrived that I realized the rearend on the 2012 had actually gotten very loud. By that time the 12 was at auction and had sold.
detro996,

I am sorry to hear of your experience. How is your 2013 performing?

If you have any additional questions or concerns, please feel free to contact me privately.

Louis
GM Customer Service
01-08-2013 06:47 AM
detro996 My 2012 had a roaring noise from day one. I took it to the dealer with a few K miles and they replaced the entire differential. They said GM wanted the entire unit sent back to them. So they didn't even open it up.

After the new unit was put in, it eventually started roaring again or at least I thought it did. It wasn't sure until my 2013 arrived that I realized the rearend on the 2012 had actually gotten very loud. By that time the 12 was at auction and had sold.
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