Control Arm: Service and Repair

Lower Control Arm Replacement

Special Tools

EN-45059 - Torque Angle Sensor Kit

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 (Standard) Service and Repair.

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

3. Remove the front compartment insulator.

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




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

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

6. Separate the lower control arm from the knuckle.




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




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




9. 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).





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


Caution: Refer to Fastener Caution Fastener Caution.

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

5. Tighten the front lower control arm bolt to 70 Nm (52 lb ft) +75-90 degrees, using EN-45059 - kit.

6. Tighten the rear bushing to frame bolts to 70 Nm (52 lb ft) +90 degrees, using EN-45059 - kit.

7. Remove the hydraulic jack.

8. Install the NEW ball joint to knuckle bolt (1) and nut.

9. Using the EN-45059 - kit, tighten the nut.

* First Pass: 50 Nm (37 lb ft)

* Second Pass: Loosen the nut 120 degrees

* Third Pass: 50 Nm (37 lb ft)

* Final Pass: Additional 35 degrees




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

11. Install the front compartment insulator.

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

13. Lower the vehicle.