rear diff moan - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

SSx2JAMES · 06-26-2011, 11:50 AM

i always thought that the rear fluid lasted like over 50k miles on most cars. i've had mine changed 2x and now it's making noise again. car only has about 18.5k miles on it.

Rock-It Man · 06-26-2011, 04:53 PM

Quote:

Originally Posted by jtzako

I did that after changing mine and eventually the 'moan' in reverse came back.

The reverse moan is not a problem. I mean seriously, how much time do you spend in reverse?

rlem00 · 06-27-2011, 04:13 PM

just got a call from my service guy and looks like it'll be an overnighter. They are waiting on parts for the rear diff. It will be interesting to see what they replace when I get it back tomorrow. For me the moan was most noticable when backing and turning but I was also hearing it when moving foward and turning slow.

rlem00 · 06-27-2011, 04:14 PM

BTY I was a little hacked as they owe me a rental but can't produce one

Skyblu · 06-28-2011, 09:50 AM

Quote:

Originally Posted by DAVET1LT

What they may be forgetting to do is a series of figure 8's after they put the new fluid and modifier in the rear end. I had an SS Trailblazer that had this issue and they replaced the fluid two times with the modifier added. Someone mentioned to me the figure 8's and I made sure they did after the last fluid replacement and never had the issue again. Besides, I traded it anyways.

I know they did it with mine cause I saw them doing it, still makes noise now.

Skyblu · 06-28-2011, 09:52 AM

Quote:

Originally Posted by rlem00

just got a call from my service guy and looks like it'll be an overnighter. They are waiting on parts for the rear diff. It will be interesting to see what they replace when I get it back tomorrow. For me the moan was most noticable when backing and turning but I was also hearing it when moving foward and turning slow.

Yes I hear it when I am pulling into parking spot making a left hand turn,but also when backing and mostly in the morning before the fluid warms up and is distributed.

rlem00 · 06-28-2011, 02:02 PM

talked to the mechanic today when going to get my rental. They are waiting on replacement clutch plates. Hopefully they will give her back to me tomorrow.

rlem00 · 07-01-2011, 09:41 AM

got her back yesterday afternoon. No moan, but we'll see what it sounds like after about 3k. They replaced the clutch plates. Only noticable change is that the car seems to accelerate a little quicker from a stop, may just be my imagination though or the fact I was driving a 150hp loaner for 4 days.

SSx2JAMES · 07-06-2011, 06:51 PM

took my camaro in for the rear diff moan on tuesday, today they said it needs the clutch pak replaced. parts wont be in till next week. also said that the fluid needs to be replaced every 7500 miles, anyone else been told this?

jtzako · 07-06-2011, 07:07 PM

I havent taken mine in for it, but I also had not heard that about 7500 miles. Since it isnt in the manual I suspect that is BS.

rlem00 · 07-06-2011, 11:22 PM

Quote:

Originally Posted by SSx2JAMES

took my camaro in for the rear diff moan on tuesday, today they said it needs the clutch pak replaced. parts wont be in till next week. also said that the fluid needs to be replaced every 7500 miles, anyone else been told this?

That's what they did with mine. We'll see how it acts in about 2k miles. I also did some asking around and the likely root cause may be improper shimming of the clutch plates. I don't know about the 7500 mile bit, that's does not sound right unless you are racing then I think you should do it every race??

SSx2JAMES · 07-07-2011, 09:59 PM

are u saying that the noise came back after they replaced the clutch packs. please keep me posted. still waiting on parts to come in.

Chevrolet Customer Svc · 07-08-2011, 02:47 PM

I just looked through the Owners Manual for the 2011 Camaro and saw that the two different change schedules (normal and severe) for the rear differential fluid are at 100,000 miles and 50,000 miles respectively. I would suggest speaking with the dealership again on when to change out these fluids to make sure everything matches up with whats in your owners manual. Also I hope these new parts are what cures your noise issues. Let us know how it goes for you!

Jeff Morris, Chevrolet Customer Service

SSx2JAMES · 07-09-2011, 09:56 PM

thx for the info, was going to look it up but the manual is in the car which is still at the dealer. by the way can u send me the clutch packs asap.they said they were getting them from michigan? haha

07-06-2011, 07:07 PM	#24
jtzako Drives: 2010 IBM Camaro SS Join Date: Jun 2007 Location: DFW, Tx Posts: 1,157	I havent taken mine in for it, but I also had not heard that about 7500 miles. Since it isnt in the manual I suspect that is BS. __________________ 2010 Camaro SS Imperial Blue \| CAI Inc, CAI \| Solo Hi Flow Cats \| X-Pipe \| Backup Camera \| PDIM

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06-26-2011, 11:50 AM	#15
SSx2JAMES Drives: 2000 Camaro SS + 2010 Camaro SS Join Date: Jul 2010 Location: San Marcos, TX Posts: 270 View My Garage	i always thought that the rear fluid lasted like over 50k miles on most cars. i've had mine changed 2x and now it's making noise again. car only has about 18.5k miles on it.

06-27-2011, 04:13 PM	#17
rlem00 Drives: 2010 Camaro 2SS Join Date: Apr 2011 Location: The Woodlands, TX Posts: 100	just got a call from my service guy and looks like it'll be an overnighter. They are waiting on parts for the rear diff. It will be interesting to see what they replace when I get it back tomorrow. For me the moan was most noticable when backing and turning but I was also hearing it when moving foward and turning slow.

06-27-2011, 04:14 PM	#18
rlem00 Drives: 2010 Camaro 2SS Join Date: Apr 2011 Location: The Woodlands, TX Posts: 100	BTY I was a little hacked as they owe me a rental but can't produce one

06-28-2011, 02:02 PM	#21
rlem00 Drives: 2010 Camaro 2SS Join Date: Apr 2011 Location: The Woodlands, TX Posts: 100	talked to the mechanic today when going to get my rental. They are waiting on replacement clutch plates. Hopefully they will give her back to me tomorrow.

07-01-2011, 09:41 AM	#22
rlem00 Drives: 2010 Camaro 2SS Join Date: Apr 2011 Location: The Woodlands, TX Posts: 100	got her back yesterday afternoon. No moan, but we'll see what it sounds like after about 3k. They replaced the clutch plates. Only noticable change is that the car seems to accelerate a little quicker from a stop, may just be my imagination though or the fact I was driving a 150hp loaner for 4 days.

07-06-2011, 06:51 PM	#23
SSx2JAMES Drives: 2000 Camaro SS + 2010 Camaro SS Join Date: Jul 2010 Location: San Marcos, TX Posts: 270 View My Garage	took my camaro in for the rear diff moan on tuesday, today they said it needs the clutch pak replaced. parts wont be in till next week. also said that the fluid needs to be replaced every 7500 miles, anyone else been told this?

07-07-2011, 09:59 PM	#26
SSx2JAMES Drives: 2000 Camaro SS + 2010 Camaro SS Join Date: Jul 2010 Location: San Marcos, TX Posts: 270 View My Garage	are u saying that the noise came back after they replaced the clutch packs. please keep me posted. still waiting on parts to come in.

07-08-2011, 02:47 PM	#27
Chevrolet Customer Svc Drives: GM Vehicles Join Date: Jun 2010 Location: Michigan Posts: 9,328	I just looked through the Owners Manual for the 2011 Camaro and saw that the two different change schedules (normal and severe) for the rear differential fluid are at 100,000 miles and 50,000 miles respectively. I would suggest speaking with the dealership again on when to change out these fluids to make sure everything matches up with whats in your owners manual. Also I hope these new parts are what cures your noise issues. Let us know how it goes for you! Jeff Morris, Chevrolet Customer Service

07-09-2011, 09:56 PM	#28
SSx2JAMES Drives: 2000 Camaro SS + 2010 Camaro SS Join Date: Jul 2010 Location: San Marcos, TX Posts: 270 View My Garage	thx for the info, was going to look it up but the manual is in the car which is still at the dealer. by the way can u send me the clutch packs asap.they said they were getting them from michigan? haha