Lower Arm

Lower Arm









Removal

NOTICE: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure may result in major service expense. New parts must be installed with the same part numbers or equivalent part, if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure correct retention of these parts.

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury Procedures.

Remove the wheel and tire. For additional information, refer to Wheels and Tires Removal and Replacement.

2. NOTE: Use the hex-holding feature to prevent the stud from turning while removing the nut.

Remove and discard the lower ball joint nut.

3. Remove and discard the shock absorber lower nut and the flag bolt.

4. NOTICE: Do not remove the cam bolt at this time or damage to the steering bellows boot will result.

Remove and discard the lower arm cam bolt nut.

5. Remove and discard the 3 lower arm bushing bracket bolts.

6. Remove and discard the 2 steering gear-to-crossmember stud nuts.

7. Remove the steering gear crossmember studs and move the steering gear upward to access the cam bolt.

8. Remove the cam bolt and the lower arm.
- Discard the cam bolt.

Installation

1. Position the lower arm and loosely install the new cam bolt and nut.

2. Position the steering gear and install the gear crossmember studs.
- Tighten to 30 Nm (22 lb-ft).

3. Install the 2 new steering gear-to-crossmember nuts.
- Tighten to 103 Nm (76 lb-ft).

4. Install the 3 new lower arm bushing bracket bolts.
- Tighten to 90 Nm (66 lb-ft).

5. Loosely install the new lower arm cam nut.

6. Loosely install the new shock absorber lower nut and flag bolt.

7. Install the new lower ball joint nut.
- Tighten to 150 Nm (111 lb-ft).

8. Install the wheel and tire. For additional information, refer to Wheels and Tires Removal and Replacement.

9. With the weight of the vehicle on the wheel and tire assemblies, tighten the lower arm cam bolt and nut to 235 Nm (173 lb-ft).

10. With the weight of the vehicle on the wheel and tire assemblies, tighten the shock absorber lower nut to 235 Nm (173 lb-ft).

11. If a new lower control arm is being installed, tighten the new bushing nut to 175 Nm (128 lb-ft).





12. Check and if necessary, align the front end. For additional information, refer to Wheels and Tires Service and Repair.

13. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury Description and Operation.

If equipped with a fire suppression system, repower the system.