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Old 12-08-2015, 04:24 PM
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rear upper control arm mounts to frame

I have a 1999 GC WJ named Shrek. I was just wondering if anyone has had to do any work on the upper control arm to body mounts. It looks a little bit like there is some rust and such around the mounting area, but I haven't had a chance to be under him while someone else is pushing at him from the side to see if it is even an issue that needs to be addressed.
perhaps I will have a chance next week to poke around.

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Old 12-08-2015, 04:27 PM
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Re: rear upper control arm mounts to frame

Sofar didnt hear of rustproblems at this spot. Only those bushings wear out and make the rear sloppy.
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Old 12-08-2015, 04:59 PM
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Re: rear upper control arm mounts to frame

thanks.
I mentioned this in another thread, a while back, and got no reply. I bought a new car so that I wont have to drive Shrek on a daily basis, but haven't gotten a chance to look and check things out.
Perhaps next week.
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Old 12-08-2015, 06:49 PM
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Re: rear upper control arm mounts to frame

I have new bushing and an extra a-arm waiting to install along with the center ball joint. Not hard to do but you will need a long wrench to get the bolts off of the center diff housing. The new bushings (Mopar is recommended) need to be pressed into the a-arm and make sure they go in the same way as the originals come out.
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Old 12-08-2015, 09:46 PM
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Ya, the one that is in was put in just under 2 years ago. Been there done that. I just need to get under while i have someone move the beast from side to side. I want to make sure what the issue is.
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Old 12-14-2015, 11:03 PM
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So just had a chance to be under shrek while my son pushes him around from the side. Had him push at the point just above the rear wheel.
I know there is suposed to be some play but it seems to me to be excessive.
The a-arm was new about 2 years ago, bushings were pre installed on a-arm. I am not sure what brand the parts were at this point but i know that I didnt buy mopar.
I am going to replace bushings with mopar parts and see how that works.
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Old 12-14-2015, 11:16 PM
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Re: rear upper control arm mounts to frame

Are the bushings worn already? It most probably is an Omix Ada upper control arm. I installed the bushings from Omix Ada on my jeep and they only lasted one month and less then 1000 km. Now im using Dorman bushings for 2 1/2 years and almost 60.000 km and still ok.
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Old 12-14-2015, 11:32 PM
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Quote:
Originally Posted by Frango100 View Post
Are the bushings worn already? It most probably is an Omix Ada upper control arm. I installed the bushings from Omix Ada on my jeep and they only lasted one month and less then 1000 km. Now im using Dorman bushings for 2 1/2 years and almost 60.000 km and still ok.
Yes, they seem to me to be allowing too much play.
With the way the rear suspension is designed, that control arm is all that keeps the differential in positiin and limits lateral movement. So the options of where the movement is coming from are pretty minimal.

The actual mounts that i was concerned with seem to be stable. The center ball joint is solid. So that would pretty much leave just the bushings.

I will order, install, and get back.
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