Control Arm: Service and Repair

Removal
1. Jack up the front of the vehicle and support it with safety stands.
2. Remove the wheel and tire.





3. Remove the tension rod attaching bolt at the frame bracket.
4. Remove the tension rod bushing cotter pin and attaching nut from the rear of the lower arm, and remove the washer and bushing.





5. Pull the tension rod out of the lower arm and remove the front bushing and washer.
6. Lower the lower arm, prying the ball joint stud out of the steering knuckle, after loosening bolt and nut.





7. Remove the lower arm after loosening the lower arm attaching bolt from the frame bracket.

Inspection
Check the following points, replace if necessary.
1. Deformation or cracks in lower arm.
2. Deformation or wear of bushing





3. Rotation torque of balljoint.

Installation





1. Connect the SST to the ball stud, and measure the torque with a pull scale.
Rotation torque: 7.2 - 25.2 ft. lbs. (1.0 - 3.5 Nm, 10 - 35 kg-cm)
Pull scale reading: 2.2 - 7.7 lbs. (10 - 35 N, 1 - 3.5 kg)
2. Raise the inner end of the lower arm into the pivot bracket on the frame, and loosely tighten the arm frame bracket pivot to hold it in place.
3. Position the lower arm ball joint stud in the clamp bore of the steering knuckle and install the ball joint clamp bolt and nut.
Tightening torque: 40 - 50 ft. lbs. (54 - 68 Nm, 5.5 - 6.9 kg-m)
4. Tighten the lower arm frame bracket pivot boa.
Tightening torque: 40 - 50 ft. lbs. (54 - 68 Nm, 5.5 - 6.9 kg-m)
5. Insert the tension rod bolt into the lower arm, tighten washer and bushing, and Install cotter pin.
6. Install bushing and rubber on the tension rod.
Tightening torque: 87 - 108 ft. lbs. (118 - 147 Nm, 12 - 15 kg-m)