Lower Control Arm Replacement

Lower Control Arm Replacement

Removal Procedure

1. Raise and support the vehicle.
2. Remove the wheel.
3. If equipped with a LX9 engine, perform one of the following steps:
- If removing the left lower control arm, remove the side transmission mount.
- If removing the right lower control arm, remove the engine mount.






4. Remove the lower control arm front bushing to frame bolt.
5. Remove the lower control arm rear bushing to frame bolts and nuts.






6. Prior to removal, note the orientation of the lower control arm ball stud to steering knuckle pinch bolt and remove the pinch bolt and discard.
7. Separate the ball stud from the steering knuckle.






8. Remove the control arm from the vehicle.
9. Remove the lower control arm rear bushing.

Installation Procedure

1. Install the lower control arm rear bushing.
2. Position the lower control arm to the frame assembly and steering knuckle.






3. Note the previous orientation and install a new ball stud to steering knuckle pinch bolt. Hand tighten only.






4. Install the lower control arm front bushing to frame bolt. Hand tighten only.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

5. Install the lower control arm rear bushing to frame bolts and nuts.

Tighten
1. Tighten the ball stud to steering knuckle pinch nut to 50 Nm (37 lb ft).
- Reverse the nut 3/4 of a turn.
- Tighten to 50 Nm (37 lb ft) +60 degrees.
2. Tighten the bolts with the front suspension loaded by using the proper jackstand.
3. Tighten the front bushing to frame bolt to 50 Nm (37 lb ft) plus 90 degrees.
4. Tighten the rear bushing to frame bolts to 50 Nm (37 lb ft) plus 90 degrees.

6. equipped with a LX9 engine, perform one of the following steps:
- the right lower control arm was removed, install the engine mount.
- If the left lower control arm was removed, install the side transmission mount.
7. Install the tire and wheel.
8. Lower the vehicle.