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12-30-07, 12:17 PM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | How many V-owners have NOT had problems with their rear differential? I have seen the various threads talking about how the rear differential on the V is a POS and several post by people who have gone though 3, 4, 5, and even 6 differentials! From the previous posts, it would seem that every rear differential is simply waiting to self destruct. However, there has not been a recall so I doubt that every rear differential has blown apart. I was wondering how many of you have not had problems with the rear differential in your car? I have over 42k miles on my '04-V with even a few track days thrown in for fun and I have never had any problem with the rear differential. Am I the only one or are there other V owners out there without problems? Am I just one of the lucky few or is it only a matter of time?
Robert | 
12-30-07, 12:22 PM
| | Cadillac Owners Fanatic Cadillac(s): 2004 CTS-V | | Join Date: Nov 2005 Location: Austin, TX | | | Re: How many V-owners have NOT had problems with their rear differential? I had the first one replaced on my '04 because it was whining and was still under warranty, however, it never broke on me. With the new one installed, I started hearing whine again after about 5,000 miles of my typical spirited driving. Since then I upgraded to a modded 408 that puts about 450 to the ground (conservatively). Somehow, some way, that thing has not exploded on me.
I think it is important to note that I almost never tromp on it in first gear...there's no point, it would just smoke the tires off. It spins pretty bad in second gear but I never rev up and launch like a drag racer. This isn't a drag car so I don't treat it like one.
Hmmm... I wonder if she'll hold up to the new 455? | 
12-30-07, 12:38 PM
|  | Cadillac Owners Connoisseur Cadillac(s): 2004 CTS-V Black Raven | | Join Date: Apr 2005 Location: Madison, AL | | | Re: How many V-owners have NOT had problems with their rear differential? 04, 51K miles, still on my original diff. No smoky burnouts in 1st. I learned to stay away from that from this forum. From the polls Reed has done in the past, I originally thought there were a lot of rears breaking but that's not the case. (The rear diff still is a POS). | 
12-30-07, 01:15 PM
|  | Cadillac Owners Connoisseur | | Join Date: Feb 2006 Location: Arizona | | | Re: How many V-owners have NOT had problems with their rear differential? Me and I believe WW too.
Car is up for sale - buy it now is lowered to 40k and will consider offers in the high 30's  | 
12-30-07, 01:24 PM
| | Cadillac Owners Member Cadillac(s): CTS-V | | Join Date: Nov 2007 Location: Sanford, NC Age: 30 | | | Re: How many V-owners have NOT had problems with their rear differential? 22k on an 05 and no problems here. | 
12-30-07, 01:28 PM
| | Cadillac Owners Fanatic Cadillac(s): Cadillac Escalade, CTS-V | | | | | Re: How many V-owners have NOT had problems with their rear differential? 45K no wheel hopping, 1st gear burn outs and still have the original rear  | 
12-30-07, 01:44 PM
|  | Das jus fo decorations Cadillac(s): 2006 CTS-V | | Join Date: Apr 2006 Location: Taxus | | | Re: How many V-owners have NOT had problems with their rear differential? '06 w/30k miles on original diff with no whine.
I did have to replace a pinion seal for leaking and the friction modifier additive. I would call that "little to no problems".
__________________ | 
12-30-07, 01:47 PM
|  | Cadillac Owners Enthusiast Cadillac(s): 2007 CTS-V (Thunder Grey) | | Join Date: Dec 2005 Location: Sacramento Kalifornia Age: 59 | | | Re: How many V-owners have NOT had problems with their rear differential? 38K on an '05, no problems here. No burnouts or wheelhop but I do drive it hard sometimes.  | 
12-30-07, 01:56 PM
|  | Cadillac Owners Connoisseur Cadillac(s): '05 CTS-V, '00 SLS, 98 SLS, 89 Eldo, '80 Eldo | | Join Date: Mar 2006 Location: NYC Age: 38 | | | Re: How many V-owners have NOT had problems with their rear differential? Pretty sure I'm on the first diff. Only had the car a few months. Its an 05 with 23K, and I do beat on it when I want to have fun.
I think most of the diffs were changed because of the whine.
Some of the members were talking about the cradle getting tweaked. Not enought to really notice, but enough to give you problems in the long run. Maybe that's why some guys replace them a few times.
It doesn't hurt to change the diff fluid from time to time.
__________________ '05 Platinum l LPE CAI l Magnaflow l V1 (hardwired), w/ custom mount l UUC shifter w/Lindsay bushings l UUC leather shift knob l K9 GEAR rear seat cover l CruiseCam l HID fogs l Falken RT-615s l Hotchkis sways W/Z06 end links l Billet A/C vent knobs l Hawk HP+/HPS l CG-Lock l Specter Werkes Bushings l Noah Custom cover l FG2s l Ground control 550/600 l MAGGIE 436RWHP/ 412RWTQ (Dynojet) l Heavys fire extinguisher bracket l Intercepter scan-gauge l Billet pedals l Meth l NO HEADERS | 
12-30-07, 02:04 PM
|  | Cadillac Owners Connoisseur Cadillac(s): 04 ctsV platinum,maggied,rt cats,headers,corsa,stealth tune | | Join Date: Mar 2005 Location: kansas Age: 45 | | | Re: How many V-owners have NOT had problems with their rear differential? 04,44,000 miles,stock diff no problems so far. | 
12-30-07, 03:52 PM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | Re: How many V-owners have NOT had problems with their rear differential? 48k on mine. its starting to whine on me. | 
12-30-07, 04:38 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? 11K, Quiet as a church mouse.
__________________ Friendship is like peeing your pants, everyone can see it, but only you can feel it's true warmth. | 
12-30-07, 05:03 PM
|  | Cadillac Owners Connoisseur Cadillac(s): '05 CTS-VM 51 track days in Maggied V & 50+ in Atom | | Join Date: Mar 2005 Location: SoCal | | | Re: How many V-owners have NOT had problems with their rear differential? I've had my and WW's share of Maggied track days, all on original diff. No dumping clutch, no smokey burnouts, lots of full throttle time though..
Changed rear oil with RP every engine oil change, ...................because it's only 2 qt's. | 
12-30-07, 05:29 PM
|  | "gotta get a Wait4Me tune" Cadillac(s): 2009 CTS-V | | Join Date: Aug 2004 Location: SW central PA | | | Re: How many V-owners have NOT had problems with their rear differential? Almost 37K on the original. It gets hard acceleration after roll-out. Still on the original diff lube too 
__________________ | 
12-30-07, 05:48 PM
|  | Cadillac Owners Fanatic Cadillac(s): 05CTS V | | Join Date: Jan 2005 Location: Davie,Florida | | | Re: How many V-owners have NOT had problems with their rear differential? No issues, replaced OEM lube with Redline 75W......no clutch dumps ....just spirited driving....... | | Cadillac Discussion Tools | | |
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