Rear diff
Rear Diff Noise
Senior User
Joined: Feb 2004
Posts: 389
Likes: 0
From: Rochester, NY
Does it occur during a certain speed range at all, or any time you accelerate? Do you get it with steady throttle at any given speed? Is it a loud whine or faint sound? Ringing or gear meshing sound? Has the rear differential been removed from the axle for any reason recently?
I'm gonna take a WAG and speculate that you're ring and pinion gears have developed a whine. It happens, and if it doesn't get worse then its probably harmless. But it could also indicate that something has changed within the axle and may warrant attention...
I'm gonna take a WAG and speculate that you're ring and pinion gears have developed a whine. It happens, and if it doesn't get worse then its probably harmless. But it could also indicate that something has changed within the axle and may warrant attention...
Post Fiend
Joined: Apr 2005
Posts: 5,720
Likes: 5
From: Washington state
how many miles on rear end oil since last change?
any leaks or seeps around pinion shaft seal on front?
been driving through deep water in past several months, more than 6 inches.
since it is easy quick service, I would pull cover, drain and check condition of oil, any foaming or water mix. check for metal cuttings in bottom of drain pan, on fill plug magnet and in bottom of housing.
check ring and pinion teeth for smooth even wear pattern. have someone rotate tire while listening to and observing ring and pinion for any unusual noise or movement.
new synthetic hypoid 70w90 with Lubeguard low friction additive. Aero rear ends love synthetic hypoid, mine is so quiet the wife even commented.
any leaks or seeps around pinion shaft seal on front?
been driving through deep water in past several months, more than 6 inches.
since it is easy quick service, I would pull cover, drain and check condition of oil, any foaming or water mix. check for metal cuttings in bottom of drain pan, on fill plug magnet and in bottom of housing.
check ring and pinion teeth for smooth even wear pattern. have someone rotate tire while listening to and observing ring and pinion for any unusual noise or movement.
new synthetic hypoid 70w90 with Lubeguard low friction additive. Aero rear ends love synthetic hypoid, mine is so quiet the wife even commented.
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New User
Joined: Jun 2005
Posts: 6
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Rear Diff
It Has Been About 10000 Miles Since Last Oil Change In Diff There Was No Metal Then Just Normal Wear No Leaks Around Pinion Seal
No Water Or Seaping The Noise It A Acc Its A Constant Noise Like It
Is A Wheel Bearing But It Is Not Checked Them When You Coast The
Noise Leaves ? It Had The Drive Shaft Replaced Under A Tsb To The Allu One What Do You Think Bad U Joint ? Mabey Il Pull The Shaft And Check The U Joints
No Water Or Seaping The Noise It A Acc Its A Constant Noise Like It
Is A Wheel Bearing But It Is Not Checked Them When You Coast The
Noise Leaves ? It Had The Drive Shaft Replaced Under A Tsb To The Allu One What Do You Think Bad U Joint ? Mabey Il Pull The Shaft And Check The U Joints
Posting Guru
Joined: Jul 2004
Posts: 2,416
Likes: 1
From: Mitchell, SD
Did this just happen after the brake job. If so, I think they swapped the front and rear shoes around and your rear end is dragging.
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Whine
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Joined: Jun 1999
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From: Northern California
Originally Posted by jddowell
It Stopped About 10years ago Ed they grew up
I apologize for my wise a** reply, only that I was the first thought that went through my mind. Thanks for having a sense of humor, as was my intention...Ed
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