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Upper Control Arm Replacement

^ Tools required
- J 42188 Ball Stud Separator
- Or Equivalents

Removal Procedure
1. Raise and support the vehicle.
2. Remove the tire and wheel assembly.
3. Support the lower control arm with a jack stand.





4. Loosen the ball joint stud nut but do not remove the nut.
5. Using tool J 42188 separate the upper ball joint stud from the upper control arm.
6. Remove tool J 42188 from the ball joint stud.
7. Remove the ball joint stud nut from the ball joint stud.





Important: The upper control arm shims will have an effect on the camber and the caster. Make sure to use an equal thickness of shims on both sides of each individual upper control arm bushing.

8. Remove the upper control arm bolts and shims. Note the number and position of the shims for installation purposes.
9. Remove the upper control arm from the vehicle.

Installation Procedure
1. Install the upper control arm into the vehicle.

Important: The upper control arm shims will have an effect on the camber and the caster. Make sure to use an equal thickness of shims on both sides of each individual upper control arm bushing.

2. Install the upper control arm shims.
3. Install the upper control arm mounting bolts into the upper control arm and frame rail.
- Tighten the upper control arm mounting bolts to 57 Nm (42 ft. lbs.).

Notice: Always use the correct fastener In the proper location. When you replace a fastener, use ONLY the exact part number for that application. The manufacturer will call out those fasteners that require a replacement after removal. The manufacturer will also call out the fasteners that require thread lockers or thread sealant. UNLESS OTHERWISE SPECIFIED, do not use supplemental coatings (paints, greases, or other corrosion Inhibitors) on threaded fasteners or fastener joint interfaces. Generally, such coatings adversely affect the fastener torque and joint clamping force, and may damage the fastener. When you install fasteners, use the correct tightening sequence and specifications. Following these instructions can help you avoid damage to parts and system.

4. Install the upper ball joint stud into the upper control arm. It will be necessary to use an alien wrench to keep ball joint stud from spinning while tightening the ball joint stud nut.
Tighten
a. Tighten the upper control arm ball joint stud nut to 20 Nm (15 ft. lbs.) to seat the ball joint stud.
b. Turn the ball joint nut an additional 4 flats.
c. Check the ball joint nut for a minimum final torque of 45 Nm (33 ft. lbs.).
5. Remove the jack stand.
6. Install the tire and wheel assembly.
7. Lower the vehicle.