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Unread 10-22-2011, 10:19 PM   #1
JeepFreak1982
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1998 ZJ 
 
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Rear axle off center

Rear axle is out the passenger side more than the drivers side. Brand new upper and lower control arms, new swaybar links and frame bushings, new MOPAR track bar, whats going on here? Im stock height, not lifted not lowered.

1998 Grand Cherokee 5.9 is the Jeep in question.

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Unread 10-22-2011, 10:33 PM   #2
gabrod72
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The only thing that controls where the axle rides from side to side is your trackbar. Provided your upper and lower control arms are fixed and equal length uppers / equal length lowers, then your backward and forward tire position should be the same on both sides. Only other thing I can think of is check your control arm mounting locations at the unibody and make sure they're not tweaked or something else - maybe check the trackbar brackets also.
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Unread 10-22-2011, 10:37 PM   #3
JeepFreak1982
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I did front lower arms also. Both look the same but i know the length is slightly different. The uppers really cant be confused because they will only fit in the rear upper mounts. Its is however possible i mixed up one of the rear lowers with one of the front lowers and the difference in length is causing the problem. The front axle is in the perfect position though? I have owned the Jeep for over 2 years and never noticed the axle off center before. The control arms are all fixed length front and rear. Is there an inside and outside to the control arm or does it not matter which way they go in?
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Unread 10-22-2011, 11:27 PM   #4
PolkaPower
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The track bar is what determines where the axle sits.
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Unread 10-23-2011, 03:14 AM   #5
Mattertron
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Yep Track bar 4 sure...
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Unread 10-23-2011, 06:45 AM   #6
JeepFreak1982
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It's not the track bar. Axle is still in the same exact spot even with the brand new mopar bar from the dealer.
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Unread 10-23-2011, 08:18 AM   #7
Technohead
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Quote:
Originally Posted by JeepFreak1982 View Post
It's not the track bar. Axle is still in the same exact spot even with the brand new mopar bar from the dealer.
The track bar determine side-to-side positioning of the axle and control arms determine front-to-rear positioning of the axle. It must be something with the track bar.
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Unread 10-23-2011, 09:22 AM   #8
JeepFreak1982
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Say the control arms on one side are longer than the other. Wouldnt that push the axle over to one side also?
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Unread 10-23-2011, 09:24 AM   #9
Ripper3494
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no, that would make the axle sit at an angle, meaning ex left side is further forward than the right, track bar is your problem
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build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 10-23-2011, 09:25 AM   #10
JeepFreak1982
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It's gota be a mount then. No way it's the bar itself.
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Unread 10-23-2011, 09:26 AM   #11
Ripper3494
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by the way are you looking at it while the jeep is on its own weight or not? if the jeep is on jack stands or a lift the axle will swing to one side during droop some, set it down and it will be centered. i had that problem with a tj, looked at on the lift and was freakin out. then set it down and was like... oh
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build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 10-23-2011, 09:28 AM   #12
JeepFreak1982
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It's in the driveway on it's own weight.
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Unread 10-23-2011, 09:30 AM   #13
Ripper3494
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Is it an adjustable trackbar?

Sent from my DroidX because I should be doing something else
__________________
build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 10-23-2011, 09:38 AM   #14
JeepFreak1982
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No the Jeep is at stock height no lift or anything and it's a brand new bar from the dealer.
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Unread 10-23-2011, 09:40 AM   #15
Ripper3494
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Pop it back off and lay it over your old one and see if its the same

Sent from my DroidX because I should be doing something else
__________________
build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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