Control Arm: Service and Repair

Lower Control Arm Replacement

Special Tools

EN-45059 - Angle Meter

For equivalent regional tools, refer to Special Tools Front Suspension.

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.

2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation Service and Repair.

3. Remove wheel speed sensor wiring harness from control arm and steering knuckle.





4. Remove the lower ball joint to knuckle nut and bolt (1). DISCARD the bolt (1).

Caution:
Do not pry in such a way that the ball joint seal is contacted. Damage to the seal may result.

5. Separate the lower control arm from the knuckle.





6. Remove the front lower control arm nut and bolt (1). DISCARD the bolt (1).





7. Remove the rear lower control arm bushing nuts and bolts (1). DISCARD the bolts (1).





8. Remove the lower control (1) arm from the front frame.

Installation Procedure





1. Position the lower control arm (1) in the cradle.





2. Install and hand tighten the rear lower control arm bushing nuts and NEW bolts (1).





3. Install and hand tighten the front lower control arm nut and NEW bolt (1).





Caution:
Refer to Fastener Caution Fastener Caution.

4. Support the lower control arm with a hydraulic jack and lift the control arm to p-Height. Refer to Trim Height Inspection Trim Height Inspection.

5. Tighten the NEW front lower control arm bolt (1) a first pass to 70 Nm (52 lb ft).

Warning:
Refer to Torque-to-Yield Fastener Warning Torque-to-Yield Fastener Warning.


6. Tighten the front lower control arm bolt (1) a final pass to an additional plus 75 to 90 degrees, using EN-45059 - meter.

7. Tighten the NEW rear bushing to frame bolts a first pass to 70 Nm (52 lb ft)

8. Tighten the rear bushing to frame bolts a final pass to an additional plus 75 to 90 degrees, using EN-45059 - meter.

9. Remove the hydraulic jack.

10. Install the NEW ball joint to knuckle bolt and nut and tighten a first pass to 30 Nm (22 lb ft).

11. Tighten the ball joint to knuckle bolt and nut a final pass to an additional plus 60 to 75 degrees, using EN-45059 - meter.





12. Ensure that the ball joint boot (1) is properly seated between the lower control arm and the knuckle.

13. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation Service and Repair.

14. Lower the vehicle.