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Unread 05-31-2010, 09:16 AM   #1
KDOG2008
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Need help identifying a squeakin' creakin' part....

For a few weeks now there has been a MADDENING squeak n' creak under my 04 Jeep Grand Cherokee Laredo 4.0L that I've finally identified. There is some kind of bracket/brace/mount that is mounted to the rear differential and comes off in a wide V that mounts to the body of the vehicle on either side, about under the rear seats. Where it mounts to the rear diff is where the noise is coming from. I need to know what that part is called so I can have the mechanic look at it. Any help would be greatly appreciated.....

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Unread 05-31-2010, 10:09 AM   #2
Apollo21
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Ball joint in your A arm. It's shot needs to be fixed. PITA to do it yourself but it can be done.
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Unread 05-31-2010, 11:53 AM   #3
KDOG2008
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THANKS! I'll probably have to get my mechanic to fix it. Any idea how expensive a repair that might be?
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Unread 05-31-2010, 03:50 PM   #4
Apollo21
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No, I've never had mine go out on me. But it would be fairly simple job with a lift yet some mechanics will try and take your arm and leg for the work.
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Unread 06-10-2010, 06:40 PM   #5
KDOG2008
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I just got an estimate today on repair - $540. Ugh. Where would I get the part myself?
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Unread 06-10-2010, 06:48 PM   #6
KDOG2008
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Ok, I found one place - jeep4x4center.com - the parts in quesion are numbers 13 and 21. Is there any pressure on this piece when its just sitting on flat level ground? I mean of course I would brace the frame/body before I did anything. Heres a link to the parts image:

Jeep Grand Cherokee WJ & WG Suspension Parts Components at Morris 4x4 Center


The mechanic I talked to today said that both parts - the arm and the ball joint - have to be replaced. Is that true or is it just the ball joint that needs replacing?

Last edited by KDOG2008; 06-10-2010 at 07:00 PM..
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Unread 06-10-2010, 08:05 PM   #7
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i just bought one from rockauto.com for under 30 bucks, go to their website, type in your model etc, the rear joint is under "ball joints", its the rear upper, the mevotech brand comes with the mounting bracket, i have one sitting next to me. still no easy install, but id do it 3 times before id pay somebody 540 bucks to do it. if you DO need the whole arm assembly im sure you can get it at the dealer for about half that quote.
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Unread 06-11-2010, 08:55 AM   #8
KDOG2008
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Yeah I think I'm gonna try it. Thanks for the info. So whats the favorite retailer here?
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Unread 06-11-2010, 09:27 AM   #9
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No reason you should need the whole a-arm. The bushings at the frame mount may be bad too, but those can be replaced without replacing the whole arm.

To make life easier when doing the ball joint, disconnect the shocks, the lower control arms, the sway bar end links, and pop the springs out. Then disconnect the a-arm at the frame and rotate the axle backwards to gain access to the three bolts on the top of the diff.
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Unread 06-11-2010, 10:05 AM   #10
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^ X2 do as he says
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Unread 06-11-2010, 10:14 AM   #11
KDOG2008
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I have considered that as well. And I just may do that. I don't know about taking apart the whole suspensions system, rotating the rear axle etc.... but we'll just have to see. Thanks for the input guys!
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