Rear Axle Replacement
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Fleet Mechanic
Joined: Feb 2004
Posts: 1,379
Likes: 9
From: midwest
Rear Axle Replacement
after i had my tires rotated at NTB there was a loud whining noise coming from the differential...turns out my pinion bearing is shot and now i need a new rear axle...is it possible NTB messed up my axle if they jacked it up under the center of the diff?
Cargo Master
Joined: Feb 2011
Posts: 3,450
Likes: 13
From: Forest lake minnesota
I would say highly unlikely I think it would take quite a blow to do any damage to the axle housing , My guess is its just a coinsidence.
Last edited by Bigpipes 35; Dec 11, 2011 at 08:19 AM. Reason: misspelling
MMNC (SS)(Ret)
Joined: Mar 2004
Posts: 11,602
Likes: 148
From: SE Georgia
I've been jacking trucks by the pumpkin for years with zero problems. Usually you screw it up by crushing the rear cover if anything were to go wrong.
either a coincidence IMO, or they jacked it by the pinion
either a coincidence IMO, or they jacked it by the pinion
Senior User
Joined: Mar 2008
Posts: 342
Likes: 1
From: Maple Ridge, Canada
There was no noise before the rotation? Who diagnosed the rear end is toast. Are you sure the tires are not cupped? That'll make a howl. I would put the tires on the way they were before rotation and see if it quiets down.
Elder User
Joined: Dec 2009
Posts: 882
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From: Ohio
Honestly you're really grasping here. It would take a tremendous amount of abuse to do enough damage to the diff housing to cause any pinion issues. As someone mentioned you "might" crush the cover enough to cause some rubbing on the ring gear, but to do anything to tweak the pinion? Not likely.
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Fleet Mechanic
Joined: Feb 2004
Posts: 1,379
Likes: 9
From: midwest
i have close to 4k lbs in the back so it not empty...didnt notice the noise before and all of the sudden it is so loud it hurts your ears to drive...the whining is echoed and magnified by the drive shaft all the way to the front...i had the rear end of the ground and the sound is definitely coming from the diff...pulled the cover and r&g look fine but parts plus labor would be wiser just to put a used axle
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