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Unread 02-19-2009, 08:01 PM   #1
sk0073
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WJ rear upper control arm removal

I couldnt find much pertaining to my problem to here we go. After the ongoing clunking in the rear that turned out to be my rear upper control arm bushings, I got some new ones, and went to my buddies work to put them in. This might have been the worst job ever, especially since we didnt even get it done. We were able to get out the bolts in boths bushings w.o a problem, but we could not take off the whole A-arm because the ball joint at the apex would not give. We pryed on it forever, and used every tool possible but, nothing. Since we couldnt get that off, we couldnt get the bushings out because they are pressed and have been rusted in their for 10 years now. After 4 hours we but everything back on, sprayed the bushings with yield to let it sit. I have no idea this was going to such a pain in the ***, but i guess thats why the dealer quoted me at $340 for installation. Just need some suggestions to what you guys would do here. I mean everything would be fine if we could just get the whole arm out.

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Unread 02-19-2009, 08:59 PM   #2
Yardman Harry
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you need a puller, its a special tool for this occassion. Not sure if a pitman/tierod arm puller will fit that or not. thats pressed into the joint so any other method is almost pointless.

I dont have a WJ but im pretty sure that this is the way to go

(im sure wj owners will correct me if im wrong)

Yard

edit: oh yeah, did you buy replacement bushings rubber and crush sleave only?
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Unread 02-19-2009, 09:40 PM   #3
SET2JET
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there are 3 bolts on the ball joint to the diff take out the 3 bolts and remove the a-arm with the ball joint.... were did you find bushings? i can't find any. i ordered some but they are not the right ones
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Unread 02-19-2009, 11:45 PM   #4
MEinSoCal
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i have some major clunking coming from the rear of my WJ too. maybe i should look into this as well.
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Unread 02-20-2009, 07:18 AM   #5
sk0073
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Yeah I was thinking about just taking out the bolts, but wasnt sure if that would solve the problem

Part number for the bushings are 52088425, can only get from dealership that I know of ($20 per bushing)
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Unread 02-22-2009, 08:28 AM   #6
01jgcl40
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Quadratec has the bushings for $10.00 each. They are not easy to get in, some insist it is easier to buy the whole arm with new bushings installed. It is easier to remove the whole arm to replace the ball joint, just did it this weekend. There are 3 bolts on top of the differential that are removed along with the two frame side bolts. I just used heat and a big hammer to remove the old ball joint. The new one is tightened to 105 ft/lbs. The three diff bolts are 100 ft/lbs and the frame side bolts are 74 ft/lbs. Huge PIA. But I do not miss the clunking.
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Unread 06-30-2009, 09:50 AM   #7
snow1440
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guys i know this is old and prob a stupid question but do you need to take any pressure off the a-arm or jack the jeep up at all to do this or can it just be unbolted no matter what. i want to replace the tri-link but having doubts
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Unread 06-30-2009, 10:53 AM   #8
doublejz
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when i do mine I think I support the jeep from the chassis and let the rear end hang. This gives you room to remove the 3 bolts from the axle. Then I remove the 2 bolts from the a-arm that fastens it to the chassis. I have always found it easier to just take the whole arm out with the ball joint attached, loosen the ball joint nut and slam it with a BFH, comes right out. When you put it back together with a new ball joint, I prefer to use a vice to get it in as far as possible then cranking the hell outta the nut. The actual a-arm bushings aren't that expensive from the dealer. I think they were like $30ish a piece but they are a pain to replace if you don't have a press.
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Unread 07-02-2009, 10:41 AM   #9
benwaballs
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does anyone have the part number to just replace the whole part?
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Unread 07-06-2009, 12:19 PM   #10
SilverTT
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Have a look in this thread, I think the part nos are there. Or do a search on Ebay for Jeep Rear Upper Control Arm.

http://www.jeepforum.com/forum/f13/very-quick-question-new-jeep-owner-sway-bars-768950/
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Unread 07-08-2009, 06:47 PM   #11
benwaballs
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Quote:
Originally Posted by SilverTT View Post
Have a look in this thread, I think the part nos are there. Or do a search on Ebay for Jeep Rear Upper Control Arm.

http://www.jeepforum.com/forum/showthread.php?t=768950
thanks i already ordered one on ebay brand new rear upper control arm with a new ball joint 150 shipped
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Unread 04-05-2010, 10:15 PM   #12
johan0031
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Bolt size of the 3 bolts on diff

quote:
there are 3 bolts on the ball joint to the diff take out the 3 bolts and remove the a-arm with the ball joint....
unquote


What is the size of these hexagon bolts ? I mean, which key fits on it ?
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Unread 04-05-2010, 10:42 PM   #13
GraKee99
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I think they are 13/16 or 7/8 if I remember correctly.
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Unread 04-25-2010, 07:49 AM   #14
johan0031
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Bolt size of the 3 bolts on diff

It's neither of these sizes, when I measure it's 21mm, which US size of wrench is that ?
Any way of getting the ball joint loosen under the car, for example with a crow-bar ?
I can't get a socket on the three bolts, not enough space.

Johan
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Unread 04-25-2010, 08:57 AM   #15
ezflip
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You have to use a box end wrench and yes, it is 21mm.
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