| 2004-2007 Cadillac CTS-V Performance Mods Discuss all Cadillac CTS-V performance modifications here. Engine tunes, exhaust, intake, suspension and more. | Cadillac Forums: How many V-owners have NOT had problems with their rear differential? 
09-02-08, 10:12 AM
| | Cadillac Owners Fanatic Cadillac(s): Cadillac CTS-V 2005 Black  | | Join Date: Oct 2006 Location: Toronto, Ontario, Canada | | | Re: How many V-owners have NOT had problems with their rear differential?
Quote:
Originally Posted by mostoyzwinz  ' 04 with 46k and original diff. I replaced the front diff mount bushing with a Delrin one...holds the diff firm, but I don't recommend it due to the transfer of pinion whine into the cabin....no noticeable whine with the stock bushing...until it self destructed.
No dragstrip or autocross here. Just a DD I drive hard year round.
Still have wheel hop city even after installing the Kars III. |
Where did you get a delrin front diff mount bushing? Would a urathane bushing be better? That is a shame about wheelhop with the KARS III.  |
09-02-08, 10:29 AM
|  | Drive It. Break It. Build it Better Cadillac(s): Platinum 2004 CTS-V | | Join Date: Apr 2008 Location: Indiana | | | Re: How many V-owners have NOT had problems with their rear differential?
I don't have any problems with my '06 diff, and it doesn't make a peep after changing to RedLine 75w90.....the 1st diff was a different story though.
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09-03-08, 03:35 PM
| | Cadillac Owners Member Cadillac(s): 06 CTS-V, 99 Vette, 02 Escalade EXT, 04 MB E320 | | Join Date: Mar 2007 Location: Brentwood, TN | | | Re: How many V-owners have NOT had problems with their rear differential?
Quote:
Originally Posted by lollygagger8 I don't have any problems with my '06 diff, and it doesn't make a peep after changing to RedLine 75w90.....the 1st diff was a different story though. | 27K miles on my 06 V, and 0 problems.
Not sure if this is old news.... http://nhthqnwws112.odi.nhtsa.dot.go...romPublic=true
NHTSA officially closed the investigation into the rearends of our cars about 45 days ago. |
09-03-08, 04:29 PM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | Re: How many V-owners have NOT had problems with their rear differential?
Wow, this thread has some legs!
Well, 9 months and 10k more miles, a couple of track days, and still no rear differential problems.
Hope to see many of you at V-day II.
Robert |
09-03-08, 04:37 PM
| | Drive It. Break It. Build it Better Cadillac(s): Platinum 2004 CTS-V | | Join Date: Apr 2008 Location: Indiana | | | Re: How many V-owners have NOT had problems with their rear differential?
Ya NHTSA knows all.....we are all a bunch of morons who don't know what we're talking about. Pssshh |
09-03-08, 06:58 PM
|  | Cadillac Owners Fanatic Cadillac(s): 2006 infrared cts-v | | | | | Re: How many V-owners have NOT had problems with their rear differential?
Not on this subject but page 1 of 3 on the engineering analysis closing report states the cts-v population as model year 2004 2432 units model year2005 4048 units and model year 2006 only 1162 units for us market volume these #'s differ slightly under faq for 2004 then 13% over for 2005 and way under faq estimate for 2006. which do you think is most accurate? if the report is 2006's should be pretty rare.  |
09-03-08, 07:56 PM
|  | <10 poasts, CF newbie Cadillac(s): 2007 CTS-V Thunder Gray w/ Lt Gray interior | | Join Date: Mar 2007 Location: Sunny CA. Age: 43 | | | Re: How many V-owners have NOT had problems with their rear differential?
I have about 18K on mine now and a couple of track events and no whine. Time to do another fluid change though...
I use AMSOil and the GM friction modifier with no issues so far *knocks on wood*
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09-04-08, 03:28 PM
| | Cadillac Owners Member Cadillac(s): CTS-V | | Join Date: May 2008 Location: California | | | Re: How many V-owners have NOT had problems with their rear differential?
F2143 -CARRIER ASSEMBLY (COMPLETE)-REAR DIFFERENTIAL -REPLACE at 16230 8/30/2005 car now has 59411 and has not blown again/YET! |
09-09-08, 05:17 PM
|  | Cadillac Owners Fanatic Cadillac(s): 2004 CTS-V | | Join Date: Dec 2005 Location: Bavaria, Germany | | | Re: How many V-owners have NOT had problems with their rear differential?
Quote:
Originally Posted by rb1 Where did you get a delrin front diff mount bushing? Would a urathane bushing be better? That is a shame about wheelhop with the KARS III. | Made it. Seems to me anything with a better durometer, such as urethane, would dampen the vibes. I believe a urethane version is commercially available. Just happen to have a chunk of Delrin handy when the need arose. | | Cadillac Discussion Tools | | | 
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