Upper Control Arm Replacement

Upper Control Arm Replacement (2500, 3500)

Special Tools

J-42188-B Ball Joint Separator

Removal Procedure

1. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair).




2. Lower the vehicle and support the lower control arm.
3. Remove the retaining bolt for the brake hose and the wheel speed sensor brackets.
4. Remove the nut at the upper ball joint. Discard the nut.




5. Disconnect the upper control arm from the steering knuckle using the J-42188-B .




6. Remove the upper control arm nuts and the adjustment cams.
7. Remove the upper control arm.

Installation Procedure

1. Install the upper control arm.





Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the upper control arm bolts.

Tighten the nuts to 190 Nm (140 lb ft).

3. Connect the upper control arm to the steering knuckle.
4. Install the new nut to the upper ball joint stud.

Tighten the nut to 50 Nm (39 lb ft).

5. Install the retaining bolts for the brake hose and wheel speed sensor brackets.

Tighten the bolts to 9 Nm (80 lb in).

6. Raise the vehicle and remove the support for the lower control arm.
7. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair).
8. Verify the wheel alignment. Refer to Wheel Alignment Specifications (Wheel Alignment Specifications).