LOWER CONTROL ARM and BALL JOINT R&R - JeepForum.com
 
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post #1 of 6 Old 05-21-2011, 08:23 AM Thread Starter
Gramps
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2007 MK Compass 
 
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LOWER CONTROL ARM and BALL JOINT R&R

Removal:

Remove the wheel mounting nuts (3), then the tire and wheel assembly (1).

Fig 1
Remove the nut (5) and pinch bolt (4) clamping the ball joint (6) stud to the knuckle (3).

CAUTION: Upon removing the knuckle from the ball joint stud, do not pull outward on the knuckle. Pulling the knuckle outward at this point can separate the inner C/V joint on the halfshaft thus damaging it.
CAUTION: Use care when separating the ball joint stud (4) from the knuckle (1), so the ball joint seal does not get cut.

FIG 2
Using an appropriate prying tool (2), separate the ball joint stud (4) from the knuckle (1) by prying down on lower control arm (3) and up against the ball joint boss on the knuckle.

FIG 3
Remove the front bolt (2) attaching the lower control arm (3) to the front suspension crossmember (4).
Remove the nut (1) on the rear bolt attaching the lower control arm (3) to the front suspension crossmember (4). Remove the bolt.
Remove the lower control arm (3) from the crossmember (4).

This is when you would take your Control Arms to the machine shop or some where that has a press to install the MOOG Ball Joints if decided to not bay the factory units. Also check to see if they have new bushing available.

Attached Thumbnails
FIG 1.JPG   FIG 2.JPG   FIG 3.JPG  

Bob

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post #2 of 6 Old 05-21-2011, 08:25 AM Thread Starter
Gramps
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INSTALLATION:

FIG 4
Place the lower control arm (2) into the front suspension crossmember (1). Insert the rear bolt (3) up through the crossmember (1) and lower control arm (2).

FIG 5
Install, but do not fully tighten, the nut (1) on the rear bolt attaching the lower control arm (3) to the crossmember (4).
Install, but do not fully tighten, the front bolt (2) attaching the lower control arm to the crossmember.
With no weight or obstruction on the lower control arm, tighten the lower control arm rear mounting bolt nut (1) to 183 N·m (135 ft. lbs.).

FIG 6
Install the ball joint (6) stud into the knuckle (3), aligning the bolt hole in the knuckle boss with the groove formed in the side of the ball joint stud.
Install a NEW ball joint stud pinch bolt (4) and nut (5). Tighten the nut to 82 N·m (60 ft. lbs.).


Install the tire and wheel assembly (1). Install and tighten the wheel mounting nuts (3) to 135 N·m (100 ft. lbs.).
Lower the vehicle.
Perform wheel alignment as necessary.
Attached Thumbnails
FIG 4.JPG   FIG 5.JPG   FIG 6.JPG  

Bob

Artificial intelligence is no substitute for natural stupidity

MK Skid Plate fasteners for sale posts 68 & 69

Also visit me at Photobucket
'06 WK Grand Cherokee Limited Quadra-Drive II, 5.7
'07 MK Compass Limited 4X4, AutoStick
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post #3 of 6 Old 06-17-2011, 07:50 AM
lost
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Thanks for the info, I'm going to tackle the job this weekend.

Maybe a tool list would be helpful also.
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post #4 of 6 Old 06-17-2011, 12:57 PM
Zappy
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2007 MK Compass 
 
Join Date: Apr 2008
Location: Pittsburgh, Pa
Posts: 69
Both of my front control arms need replaced as well, as well as a blown strut. Doesnt look too difficult, but with my back issues, I'll let someone else tackle it when I have the money.
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post #5 of 6 Old 11-07-2014, 10:36 AM
Hebenon
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1995 YJ Wrangler 
 
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Location: Norwich, Connecticut
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Hey all, reviving an old post. My question is this, I broke the pinch bolt and need to know if it threads into the pinch assembly at all or if it is just in there and I can force it out. Girlfriends car. She is not happy. needs to fix asap lol... PLEASE HELP!!

07 Compass BTW.
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post #6 of 6 Old 11-30-2014, 10:07 AM
boanerges57
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i got a new bolt with my kit. the pinch bolt has a nut on the other side. i didnt buy moog but my kit was identical.
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