Front Suspension

Lower Control Arm Replacement

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service Intervals) .
2. Remove the wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
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. Refer to Transmission Mount Replacement - Left Side (W/L61) (Transmission Mount Replacement - Left Side (W/L61))Transmission Mount Replacement - Left Side (W/LZ4) (Transmission Mount Replacement - Left Side (W/ LZ4)) .
* If removing the right lower control arm, remove the engine mount. Refer to Engine Mount Replacement (Service and Repair) .





4. Remove the front lower control arm bushing to frame bolt and nut.
5. Remove the rear lower control arm 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 rear lower control arm bushing. Refer to Front Lower Control Arm Bushing Replacement (Service and Repair) .



Installation Procedure

1. Install the rear lower control arm bushing. Refer to Front Lower Control Arm Bushing Replacement (Service and Repair) .
2. Position the lower control arm to the frame assembly and steering knuckle.




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




4. Install the front bushing to frame bolt and nut. Hand tighten only.

Notice: Refer to Fastener Notice (Fastener Notice) .

5. Install the rear bushing to frame bolts and nuts.

1. Tighten the ball stud to steering knuckle pinch nut to 50 N.m (37 lb ft).
Reverse the nut 3/4 of a turn .
Tighten to 50 N.m (37 lb ft) + 30 degrees.
2. Tighten the nuts and the bolts with the front suspension loaded by using the proper jackstand.
3. Tighten the front bushing to frame bolt to 50 N.m (37 lb ft) plus 90 degrees.
4. Tighten the rear bushing to frame nuts to 50 N.m (37 lb ft) plus 90 degrees.


6. If equipped with a LX9 engine, perform one of the following steps:

* If the right lower control arm was removed, install the engine mount. Refer to Engine Mount Replacement (Service and Repair) .
* If the left lower control arm was removed, install the side transmission mount. Refer to Transmission Mount Replacement - Left Side (W/L61) (Transmission Mount Replacement - Left Side (W/L61))Transmission Mount Replacement - Left Side (W/LZ4) (Transmission Mount Replacement - Left Side (W/ LZ4)) .

7. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
8. Lower the vehicle.