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Catastrophic Failure


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So I was driving home from work last week, when my Yukon started making a thumping noise. At first I thought it was just a bent rim or something, but I would have only been so lucky. After checking out all the wheels and taking it for another drive, I noticed that it only happened under power.

After talking to a few people and having them take a look it, we thought it might be the U joint. It looked worn, but after replacing that the sound was still coming from somewhere else.

It sounded like it was coming from the rear end. :(

We took a look in the rear end, and this is what we found laying on the bottom....

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We decided that this wasn't something that could be done in the garage over the weekend, and took it to the rack and pinion shop. This is what they found.....

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He said that he doesn't see stuff torn apart like this very often, and there was probably a problem with the heat treatment during the production.

But now after a week with no truck and $1100, the Yukon is dune ready.

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Ouch. Did you put factory parts in, or an aftermarket ring & pinion?

The ring and pinion was stock, but my grandpa had an auburn posi installed almost as soon as it was picked up from the dealership.

I wanted like 3.73's or even something higher, but since it is 4 wd the front would have had to be changed also. That would have been around 1800. So we had stock parts reinstalled.

I will go with to the dunes...How about early July Silver lake run????

Deal, around the 4th would be awesome.

I will bring tow straps for when you get stuck LOL

:lol: I can let you use mine, I got some to pull people out of the snow, $20 a pop.

Edited by schuby87
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