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Old 03-19-2014, 08:25 PM
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2000 wj rear end washy

Ok so I just purchased a 2000 Jeep GC Limited, always wanted a jeep if I got a suv. Any how, I notice when I hit bumps in the road with half the vehicle it feels as though my chassis is sliding side to side over the axle. Now I realize in time I will have to replace bushings etc. But where do I start to remove this feeling. I camp alot in the summer and dont trust taking my wife and son along while pulling a camper. Suggestions on parts, wholesalers, trouble shooting, what to look for etc. I did find that the upper control arm (I believe the boomerang looking bracket) bushings that attach to chassis are able to slide up and down by no force at all. To replace those would the whole axle need to be lowered, aka dropped. Thoughts on Addcco sway bar? Would that help? Im just a leisurely driver, your average joe. Plz help. Any is appreciated. Thanks.
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Old 03-19-2014, 10:08 PM
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Re: 2000 wj rear end washy

Welcome to the garage.
The rear upper control arm is the one which keeps the axle centered, so that is most of the time the problem maker.
To remove the upper control arm, you will have to raise the rear end to create space to work. I choose to remove the balljoint together with the control arm, but believe me, the three bolts are a pain to get out/in. When i remember well only a box wrench will fit and you can only turn it bit by bit. If you have the right puller, you could leave the ball joint on the diff housing and push the ball joint stud out of the arm fitting. I did change the control arm bushings twice on that control arm. The first set ( Omix-Ada crap), just lasted a bit more then one month (1000 Km), then i bought two bushings from Dorman and you can see the difference in quality. Now 10.000 km further they are holding strong.
A hydraulic press is ideal with two persons to do the job. Did it like this the first time, but the second time i used used a vise. The trick is to push it evenly around the radius, so that it doesnīt get stuck.
Check the center ball joint for any play or just change it right away. I didnīt do it, didnīt feel any play on it. This repair made the rear end so much more stable. Addco sway bar seems to be the way to go to make the jeep more stable during cornering (i donīt have it, because its so damn expensive to get it overhere), together with some Bilstein shocks.
Also check the bushings of the front track bar, they will also create play and make the steering a lot more sloppy.
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Old 03-20-2014, 06:00 AM
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Thank you very much for the welcome and the info. Like I said this is my first suv/truck ive had and dont know much about the terminology. Front steering seams very tight the sway bar is able to be slid side to side with about a 1/4 to 1/2" play, is this normal im guessing it shouldnt move at all. The trailing/control arms on lower seem to have a little play in the frame bushing, but those are pretty inexpensive. Thanks for the info. I will have to give the upper arm bushings a try. They seem pretty weak.
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Old 03-20-2014, 06:09 AM
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Re: 2000 wj rear end washy

Sway bar (front or rear) normally doesnīt move at all, at least on my jeep it doesnīt. The rubber bushings where mentioned bar is mounted in are probably worn. Also check the sway bar links, they normally get some play as well.
On the rear only the upper control arm keeps the axle from moving sideways, the lower only controls fwd/aft movement.
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Old 03-20-2014, 06:36 AM
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I wanted to point out that bad rear lower control arm bushings can still make your rear end feel like it's moving side to side, even if not as much as the upper ones do.
I replaced my lowers a few months ago and its been so much better ever since.
I personally recommend either Moog or Dorman control arms/bushings. Both can be had from RockAuto pretty cheap if you're in the States. In fact, RockAuto is so cheap that I opted to get whole new control arms with bushings instead of just getting the bushings so I wouldn't have to hassle with changing the bushings out.

Also if you need a ball joint press for those upper arms, many auto parts stores such as Advance loan special tools for free as long as you leave a deposit.
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Old 03-20-2014, 08:23 AM
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Thanks for the input
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Old 03-20-2014, 09:11 AM
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Re: 2000 wj rear end washy

If you decide to go for Rockauto.com, google " Rockauto discount code" for some 5 % discount code, to be entered during checkout before payment.
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Old 03-20-2014, 09:31 AM
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Nice I order from rock auto for all my parts usually. So one more question. The middle pivot bracket on the upper control arms called the ball joint? Y or N
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Old 03-20-2014, 09:33 AM
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Im dumb im sure its not a ball joint lol whats that middle pivot called?
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Old 03-20-2014, 10:26 AM
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Re: 2000 wj rear end washy

Its ball joint yes.
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Old 03-20-2014, 09:36 PM
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Thanks man, now I really feel dumb. Is it necessary to replace as well while doing other bushings on rear upper control arm?
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Old 03-20-2014, 10:30 PM
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Re: 2000 wj rear end washy

If it doesnīt have play on it, its not necessary to replace. When i replaced my upper control arm bushings i did check the ball joint, but it was ok.
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