Report all diff problems - Page 4

v-ape · #46 (**permalink**) 04-13-06, 05:57 PM

I just got a used CTS-V with 18k miles on it. At about 19k I noticed a whine, took it in to the dealer, they are replacing the bearings now (under warranty)

**heavymetals** · #47 (**permalink**) 04-13-06, 06:09 PM

Quote:

Originally Posted by v-ape

I just got a used CTS-V with 18k miles on it. At about 19k I noticed a whine, took it in to the dealer, they are replacing the bearings now (under warranty)

What bearings?

They are not supposed to "rebuild" the diff from what I gather.

They are supposed to replace the whole unit.

benjet · #48 (**permalink**) 04-13-06, 09:37 PM

Here's an experiment....

Go to a nice empty parking lot do some slow (yes I said SLOW!) full 360 turns at full lock - or even near full lock (much like you would be when doing a parking manuever), listen to the rear have a SUPER upset tummy, sounds alot like (glass) marbles were added. Lovely.

street · #49 (**permalink**) 04-14-06, 02:54 AM

Mine Has Been Reported

v-ape · #50 (**permalink**) 04-14-06, 08:56 AM

Quote:

Originally Posted by heavymetals

What bearings?

They are not supposed to "rebuild" the diff from what I gather.

They are supposed to replace the whole unit.

Thats what the Lindsay Cadillac service guy said, but then again, hes not the tech so perhaps they are replacing it... I know they have it over the weekend and I have a CTS loaner. I asked for a V, but they werent down with that.

I asked the guy to pull the service record for this car and it looks as though

-the tranny/transaxle assembly was replaced at 17k for propshaft speed vibration (I'm not sure what that is).

-the rear diff. carrier assembly was replaced at 15k. <-- is this the same as the whole rear diff?

-SDM was also replaced at 15k(I'm not sure what that is either)

-Also the car is on its 3rd sunroof switch.

I just got this car a few weeks ago and although all of this is free and covered under the warranty, I'd much rather be driving my V than a loaner CTS. I worry about what will happen in 2yrs when my warranty is up.... Extended warranty is starting to look like a good option.

**heavymetals** · #51 (**permalink**) 04-14-06, 02:23 PM

When you get the car back, check the paperwork for the part #'s of what was replaced.

The #'s for the diff have been posted (both old and new).

I would recommend you buy the extended warranty.

v-ape · #52 (**permalink**) 04-17-06, 03:04 PM

Quote:

Originally Posted by heavymetals

What bearings?

They are not supposed to "rebuild" the diff from what I gather.

They are supposed to replace the whole unit.

Well the new news is that they are ordering shims for the differential. I spoke with the tech writer and he said they dont replace the diff if it can be repaired. I dont know why I'm not getting a new diff, but apparently I dont need it. The dealership I went to is the only "Gold" dealer listed on the cadillacfaq.com site, Lindsay Cadillac (Alexandria, VA). I would assume they are good since everyone rates them as a "10". Then again, it could be them that created the website

NOPISTONS · #53 (**permalink**) 04-21-06, 03:48 PM

Maybe the first 06 V to get a new diff truck tire type sound coming from the rear in neutral rolling to a stop. Love the new diff the car feels new again smoother clunking is not as bad.

v-ape · #54 (**permalink**) 04-21-06, 04:33 PM

Quote:

Originally Posted by v-ape

Well the new news is that they are ordering shims for the differential. I spoke with the tech writer and he said they dont replace the diff if it can be repaired. I dont know why I'm not getting a new diff, but apparently I dont need it. The dealership I went to is the only "Gold" dealer listed on the cadillacfaq.com site, Lindsay Cadillac (Alexandria, VA). I would assume they are good since everyone rates them as a "10". Then again, it could be them that created the website

Ok, now I'm on round 2. Apparently after replacing/shimming the bearings for the diff, it will still making the noise so they need the car some more. I just wish they would replace it with an 06 diff. because I have a feeling that the problem isnt in the bearings but in the diff design. Oh well, I have the car under waranty for another couple of years, they may just get sick of seeing it. One piece of good news is that they gave me a loaner CTS with 700 miles on it. Its no V, but at least its new. Its to the point now where they have had my car longer than I have since I got it 4 weeks ago and they've had it for at least 2 of those (if its done on Monday YEAH RIGHT!!!)

Barak · #55 (**permalink**) 04-22-06, 02:37 PM

I noticed that my diff is especially whiney after a cold start when the gears are cold. It quiets down quite a bit once the gears warm up. Anyone notice this on their diffs, or are they whiney all the time?

blown black caddy · #56 (**permalink**) 04-23-06, 07:53 PM

2006 V with 1800 miles on it! No burnouts done at all on the car. Just noticed this afternoon the drops of oil on the garage floor! I got underneath and saw oil on the drivers side.

I guess I will keep monitoring it?

stkshkr · #57 (**permalink**) 04-24-06, 09:58 AM

I have a replacement 06 diff and it's leaking from the pinion seal

**Florian** · #58 (**permalink**) 04-25-06, 10:10 PM

04V with 50K on the clock, currently on 2nd diff...now sounds like a bag of marbles in the rear, plus a constant high pitch coming from rear...

F

VelieVer ttt · #59 (**permalink**) 04-26-06, 12:55 AM

Leaking diff. Going to shop tomorrow for # 2.

v-ape · #60 (**permalink**) 04-26-06, 01:53 PM

Quote:

Originally Posted by v-ape

Ok, now I'm on round 2. Apparently after replacing/shimming the bearings for the diff, it will still making the noise so they need the car some more. I just wish they would replace it with an 06 diff. because I have a feeling that the problem isnt in the bearings but in the diff design. Oh well, I have the car under waranty for another couple of years, they may just get sick of seeing it....

Round 3, the final round?

Lindsay Cadillac has decided to put a new diff in. Well at least the parts of a new diff. I spoke with the service rep last night and he said basically its cheaper to repair than to replace, but when the repairs dont work, they ask Cadillac to cover the cost of a new diff. Apparently mine has gotten to that point and the parts should be in today or tomorrow. I'll let you know how it goes. I'll just be happy to get the car back. Be aware, any differential problems could leave you without your V for some time. I dropped mine off on 4/9/06 and am still waiting. The practically new loaner CTS they gave me isnt too bad with gas prices being the way they are, it slurps a LOT less gas than the V around town, but about the same on the highway.