Upper Control Arm

UPPER CONTROL ARM

REMOVAL
1. Raise and support vehicle.
2. Remove wheel and tire assembly.
3. Remove the disc brake caliper adapter with the caliper.
4. Remove the rotor.
5. Remove the wheel speed sensor wire from the upper control arm (LD).





6. Remove the nut from upper ball joint (4).
7. Separate upper ball joint (4) from the steering knuckle (6) with Remover 9360 (5).

CAUTION: When installing Remover 9360 (5) to separate the ball joint, be careful not to damage the ball joint seal.





8. Remove the control arm pivot bolts (3) and flag nuts (2) remove control arm (1).

INSTALLATION





1. Position the control arm (1) into the frame brackets. Install bolt (3) and flag nut (2), tighten to 176 Nm (130 ft. lbs.) (LD) or 170 Nm (125 ft. lbs.) (HD 4X2 only).





2. Insert the ball joint in steering knuckle (3) and tighten the upper ball joint nut (2) to 54 Nm (40 ft. lbs.) (on 1500 series only an additional 90° turn is required).
3. Install the rotor to the hub.
4. Install the disc brake caliper and adapter to the knuckle.
5. Install the wheel speed sensor wire to the upper control arm (LD).
6. Install the wheel and tire assembly.
7. Remove the support and lower vehicle.
8. Perform a wheel alignment.