Tools Required
J-42188-B 
 Ball Joint Separator
Removal Procedure
- Raise and support the vehicle. Refer to 
Lifting and Jacking the Vehicle
 in General Information.
 
- Remove the tire and wheel. Refer to 
Tire and Wheel Removal and Installation
 in Tires and Wheels.
 
- Disconnect the electronic suspension control (ESC) link rod from the sensor, if equipped. Refer to 
Electronic Suspension Front Position Sensor Link Assembly Replacement
 in Electronic Suspension Control.
 
- Remove the retaining bolt for the brake hose and the wheel speed sensor brackets. 
 
- Remove the upper ball joint retaining nut. Discard the nut.
 
- Disconnect the upper control arm from the steering knuckle using the 
J-42188-B 
 .
 
- Remove the upper control arm nuts and the adjustment cams (2) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
 
- Remove the upper control arm bolts (4) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
 
- Remove the upper control arm nuts and the adjustment cams (2) for the 25/35 Series 4WD.
 
- Remove the upper control arm bolts (4) for the 25/35 Series 4WD.
 
- Remove the upper control arm. 
 
Installation Procedure
- Install the upper control arm. 
 
- Install the upper control arm bolts (4) for the 25/35 Series 4WD.
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the upper control arm nuts and the adjustment cams (2) 25/35 Series 4WD.
 
Tighten
Tighten the nuts to 190 N·m (140 lb ft).
- Install the upper control arm bolts (4) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
 
- Install the upper control arm nuts and the adjustment cams (2) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
 
Tighten
Tighten the nuts to 190 N·m (140 lb ft).
- Connect the upper control arm to the steering knuckle .
 
- Install the new nut to the upper ball joint stud.
 
Tighten
Tighten the nut to 50 N·m (37 lb ft).
- Install the retaining bolts for the brake hose and wheel speed sensor brackets.
 
Tighten
Tighten the bolts to 9 N·m (80 lb in).
- Connect the ESC link rod to the sensor, if equipped. Refer to 
Electronic Suspension Front Position Sensor Link Assembly Replacement
 in Electronic Suspension Control.
 
- Install the tire and wheel. Refer to 
Tire and Wheel Removal and Installation
 in Tires and Wheels.
 
- Remove the safety stands.
 
- Lower the vehicle.
 
- Verify the wheel alignment. Refer to 
Wheel Alignment Measurement
 in Wheel Alignment.