Moog Ball joint replacement -
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Unread 10-15-2010, 03:13 AM   #1
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Join Date: Sep 2010
Location: newyork
Posts: 24
Moog Ball joint replacement

Has anyone replaced just the ball joints on their '07-'08 Patriot or Compass? Moog has a listing for the Compass and I was told by two dealers that the control arms for both the Compass and the Patriot are the same part so it stands to say that the ball joints would be the same.
If you have, how do you remove the old Ball Joint? How does the new one attach?


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Unread 10-15-2010, 09:51 AM   #2
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2007 MK Compass 
Join Date: Aug 2006
Location: Madison/Janesville, Wisconsin
Posts: 5,624
Patriot, Compass and Caliber are all the same. They are a press fit which used to be a common way of attaching them to the lower control arm BUT since it has become common practice to replace everything as sub assemblies, to save time, Jeep only sells these as units. The lower control arm also has a pressed in bushing that, from Jeep, is part of the assembly.

The MOOG replacements (available from Car Quest and other parts stores) are a press in/out set up just like the old days and if you have access to the equipment it's not that hard to do.

I stole this from over at JP.

Originally Posted by Tag View Post
OK guys
Here's the scoop. I just replaced one side of my ball joint on my Patriot with the MOOG replacement for the Compass. (part# MOOG-K500063) It was a job but only because I didn't have a clue and had to keep running off to the parts store.

1. remove the control arm by taking out the two mount bolts and then remove the pinch bolt on the ball joint and using a fork, take loose the ball joint.

2. From the top, press out the ball joint from the LCA. I got a ball joint press set up from Advance Auto from their loner tools. It takes a large deposit but you get it back when your done.

3. Press the new Ball Joint in from the top until you reach on the flange on the BJ. Install the snap ring on the bottom, install the boot and then the grease Zerk. (Yes the new BJ can be greased )

4. Reinstall the LCA and your done. It took me about 3 1/2 hrs on one side but the other side will be a LOT quicker as I have the tools and now know what to do.
Cost for the two ball joints was about $120.00 but even if you have someone do them, the Moogs can be greased and have a lifetime guarantee. So in the long run, I think you'll be happier.
Good Luck
Originally Posted by Tag View Post
Did the second side today. Only took about 1 hr and 20 minutes. Now off to the alignment shop.

Artificial intelligence is no substitute for natural stupidity

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ball joints , compass , mk , patriot , suspension , tie rods

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