$750 to fix the rear differential noise?
Renix Super Guru
Joined: Mar 2008
Posts: 24,653
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From: In yourz postez fissin jurr spelinzs
Year: 1990XJ/1989MJ
Model: Comanche
Engine: 4.0L Renix
As suggested replace the whole axle with a J/Y axle. If it is a 8.25 you will have a strong axle that will last you for years, and no this is not a common problem.
::CF Administrator::
Joined: May 2008
Posts: 10,039
Likes: 16
From: Okc area
Year: 1991
Model: Cherokee
Engine: 4.0 I6
Definitely get a JY axle much much cheaper then having one rebuilt...Plus you will have a spare you can leanr to rebuild your own on if ya want and build up a nice rear axle..
Is it a high mileage jeep? I wonder how all the bearings went bad? Or maybe the garage is guessing and adding on to get more labor $$.
Thread Starter
Junior Member
Joined: Aug 2008
Posts: 91
Likes: 0
Year: 1999
Model: Cherokee
Engine: I6
The overall condition is OK. And I am not familiar with differential/axle work. I guess I may have to pay the big money for it. Thanks for all the information.
"CF Moderator"
Joined: Sep 2008
Posts: 3,045
Likes: 3
From: N.J. Shore Area
Year: 1994
Model: Cherokee
Engine: l6 HO
My 94 rear is "howling" and I need to do something about it soon. Anybody got any ideas if its the pinion bearing or maybe the carrier bearings. What goes first on these rears? There is no grinding and I just had someone change the gear oil. When I first start out driving it its not loud but gets progressively louder as it warms up. Its a Cryco 8.25...Tj
Last edited by TrekkerJmm; Nov 11, 2008 at 09:11 AM.
well i definately would consider what u are planning to use the jeep for..if it is an offroad rig then i wouldnt bother rebuilding the rear i would try to upgrade to a dana 44 or something similar....however if u are planning on just dd the jeep then 700 isnt bad to replace all the bearings and seals....thats about what it would cost for me to do it and i seem to be a lot cheaper then most shops in my area
I just bought a Chryco 8.25 from the JY or $270 with a 1 year parts warranty. $750 is a slap in the pants to rebuild it. Besides it's literally only 14 bolts+break lines+a little prying on the DS/yolk area and wham bam axle is laying on the ground. Plus it gives you an excuse to get drunk in the driveway. Atleast that's what I told my ole' lady. hahaha.
"CF Moderator"
Joined: Sep 2008
Posts: 3,045
Likes: 3
From: N.J. Shore Area
Year: 1994
Model: Cherokee
Engine: l6 HO
This is where I got my Chryco. www.autowrecking.net They shipped it to me for free. They have like 6 yards here in Oregon and another in Washington.
Senior Member

Joined: Nov 2008
Posts: 972
Likes: 12
From: south bend indiana
Year: 1993
Model: Cherokee(XJ)
Engine: 4.0 i six H.O.
heres a few ?'s if not done already. hav u checked the fluid yourself? does the rear cover hav that crappy rubber plug? not sure if u can get a cover with screw kind. take the cover off and of course let it drain, then clean with brake cleaner and look for any damage. if u cant find any, put cover back on with new gasket stuff, then fill up with royal purple and see if that helps. mine clunked every time, from when i stopped and started moving. now it dont.
Senior Member


Joined: Aug 2020
Posts: 558
Likes: 226
From: SE TX
Year: 1996
Model: Cherokee (XJ)
Engine: 4.0
Hi William,
Don't expect a answer to your question, as the thread you posted to is about 12 years old!
Yep it happens, welcome to the forum, btw!
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