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» www.chirpthird.com » General Discussion » F-Body: Technical Forum » Auburn Rear Diff Noise

   
Author Topic: Auburn Rear Diff Noise
jaz28
New Member
Member # 1900

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Hi,

Anyone else have the Auburn rear diff
option? These gears are so loud they drown
out the stereo.. Any remedies for this?
I can also smell the 90W after driving
for ~30min.

--------------------
jaz28

Posts: 1 | From: Newtonville, MA | Registered: Apr 2003  |  IP: Logged
HotWheelSS aka HTWLSS
SSOA Director
Member # 117

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You might want to take that in and have it serviced. Make sure Mineral based fluid (NO synthetic for Auburn) is used with GM additive (Lubrizol).

I don't have part #'s and amounts handy, but one of the guys here will be able to post that info for you.

--------------------
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McGee's Auto Service

Posts: 7198 | From: Near Portland, Oregon, USA | Registered: Feb 2000  |  IP: Logged
Bill Mason
2nd Gear
Member # 1807

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The stock gears should not be that loud. Have aftermarket gears been installed? If 4.10's are there, they can be louder than stock and the type of gear will also affect how loud they are. I have Richnond 4.10s and they are louder than stock.

You also should not be smelling gear oil. Either it is leaking (pinion seals are notorious for leaking....I almost consider it an annual maintenance item to replace this seal) or the rear is running hot for some reason (low fluid level or improperly installed gears).

Either way, I think it needs to be looked at by a mechanic that you TRUST and is COMPETENT.

Bill M
98 TA

Posts: 383 | From: Oakville, Ontario Canada | Registered: Jan 2003  |  IP: Logged
Bonequark
1st Gear
Member # 1923

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My '96 SS has the std GM posi. Was that an Auburn unit? I'm having a problem with noise in that as well. Going into the shop in Thursday.

-Bone

Posts: 33 | From: Manchester, NH | Registered: May 2003  |  IP: Logged
Z28-SORR
2nd Gear
Member # 1565

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Also check the bearings. It may not be the gears?
Posts: 376 | From: Friendswood, TX | Registered: Jun 2002  |  IP: Logged
BJW
New Member
Member # 1836

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I also have the Auburn rear end. The first few miles I drove the car I too could smell gear lube. I crawled under the car to see the rear end wet with gear oil. Looked like the vent. I put it up on a hoist and removed the fill plug and about half a pint came out. It was way over full. Now it's no problem, other than a little noise. You should not have excessive noise as the gears are factory(unless aftermarket gears are in). If they are that loud my next trip would be to your GM dealer for a rear end change.

BJW

Posts: 17 | From: North Dakota | Registered: Feb 2003  |  IP: Logged
Bill Mason
2nd Gear
Member # 1807

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quote:
If they are that loud my next trip would be to your GM dealer for a rear end change.

That comment gave me the uncontrollable shakes. [Frown] I had a VERY BAD experience with a GM dealership on a subject similar to that with my rear axle. Cost me thousands!!!

Bill M
98 TA

Posts: 383 | From: Oakville, Ontario Canada | Registered: Jan 2003  |  IP: Logged
BadRag
2nd Gear
Member # 1566

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What's up with the Auburn?? Have never heard of any problems with the Torsen...
Posts: 468 | From: Ventura,Ca. | Registered: Jun 2002  |  IP: Logged
   

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