Rear end question? -
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Unread 05-06-2013, 01:57 PM   #1
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1990 XJ Cherokee 
Join Date: Jan 2009
Location: santa Cruz
Posts: 43
Rear end question?

I have a 90 XJ. My rear axle tubes came loose in the diff housing and the input shaft ended up pointing towards the stars and blew out the u- joint. I was driving on the street when this happened. Can anyone come up with an idea as to what caused it. Rear end did not lock up. all gears in the diff were fine. Brakes were all good too. I wasnt stompiing on the gas either just starting off from a stoplight when it happened.

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Unread 05-06-2013, 03:13 PM   #2
fratis's Avatar
1991 YJ Wrangler 
Join Date: Dec 2003
Location: Hale'iwa, Hawai'i
Posts: 5,092
the rosette welds failed. the majority of the damage itself was probably done at a previous time.
-insert meaningless out-of-place political diatribe-
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Unread 05-06-2013, 03:32 PM   #3
ratmonkey's Avatar
1997 ZJ 
Join Date: Dec 2006
Location: , Pennsylvania
Posts: 19,793
it was probably previously hit hard or bent in some manner.
the gears and such may be "good" but you need a new axle anyways. may as well get something you want that's stronger.
'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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