Upper Control Arm Replacement
Upper Control Arm ReplacementTools Required
^ J43631 Ball Joint Separator
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel.
3. Disconnect the Real Time Damping (RTD) link rod from the sensor, if equipped.
4. Remove the retaining bolt for the brake hose and the wheel speed sensor brackets.
5. Remove the wheel drive shaft.
6. Remove the nut at the upper ball joint. Discard the nut.
7. Disconnect the upper control arm from the steering knuckle using the J43631 (1).
8. Remove the upper control arm nuts and the adjustment cams (2) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD).
9. Remove the upper control arm bolts (4) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
10. Remove the upper control arm nuts and the adjustment cams (2) for the 25/35 Series 4WD.
11. Remove the upper control arm bolts (4) for the 25/35 Series 4WD.
12. Remove the upper control arm.
Installation Procedure
1. Install the upper control arm.
2. Install the upper control arm bolts (4) for the 25/35 Series 4WD.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the upper control arm nuts and the adjustment cams (2) 25/35 Series 4WD.
Tighten the nuts to 190 Nm (140 ft. lbs.).
4. Install the upper control arm bolts (4) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
5. Install the upper control arm nuts and the adjustment cams (2) for the 15 Series 2WD, 4WD, and 25/35 Series 2WD.
Tighten the nuts to 190 Nm (140 ft. lbs.).
6. Connect the upper control arm to the steering knuckle.
7. Install the wheel drive shaft.
8. Install the new nut to the upper ball joint stud.
Tighten the nut to 50 Nm (37 ft. lbs.).
9. Install the retaining bolts for the brake hose and wheel speed sensor brackets.
Tighten the bolts to 9 Nm (80 inch lbs.).
10. Connect the RTD link rod to the sensor, if equipped.
11. Install the tire and wheel.
12. Remove the safety stands.
13. Lower the vehicle.
14. Verify the wheel alignment.