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Rear diff problem?

Old Jun 11, 2005 | 07:52 PM
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WVF150VIANC
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From: B'ville, WV
Rear diff problem?

I am replacing all of my brake system, just OEM stuff. While getting ready to work on the back brakes, I gave the wheel a spin and my rear diff seems awful noisy. The reason I ask, is I have been trying to track down a highway speed vibration. Could this be what I'm looking for? Rearend gearing going bad?

Thanks,
Rich

2000 XL 5spd 4.2 2WD
 
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Old Jun 11, 2005 | 09:29 PM
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Gears going bad on a 2000 truck and causing vibration is not likely. Whining would be more likely. Highway vibration...tire balance, wheel or rotor runout, worn suspension components, pinion angle, or u-joints.
 
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Old Jun 12, 2005 | 03:01 AM
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WVF150VIANC
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From: B'ville, WV
Thanks SKR.

It just sounds very noisy while turning the wheel up on jackstands.
I'm going to have the u-joints checked. I'm not exactly sure what I'm looking for... I had the suspension checked at a dealer about 4months ago. I replaced the upper arms and lower ball joints. The tires are about a month old. I was sure it was the tires, but no change when I had them installed. I put all new rotors, calipers and bearings in the front today. I have been having some brake componet hanging up and haven't been able to identify exactly which wheel. Sometimes it sounded like it was in the back, sometimes in the front. No noticable pull in either direction. I'll put new shoes, wheel cylinders and have the drums turned later this morning.. I might start now.. Man, I wish my garage was detached.

Oh yeah, 114,xxx miles on the clock. That's the main reason I was worried about the gearing. Not to mention, most of those @ 75-85MPH.

Sorry about the long post.

Rich
 
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