Removal & Installation
- If equipped, turn the air suspension switch OFF .
- Mark the rear shock absorber tube relative to the protective sleeve with the vehicle in the normal ride height position.
- Raise the vehicle and support the frame side rails with jack stands. Allow the axle housing to hang with the shock absorbers fully extended to relieve spring pressure.
- Remove the stabilizer bar, if equipped.
- Support the axle with jack stands under the differential pinion nose as well as under the axle.
- Remove and discard the lower arm pivot bolts and nuts and remove the lower arm.
- Position the lower arm to the frame bracket and axle. Install new bolts and nuts with the nuts facing outboard.
- Raise the axle to the normal ride height position, compressing the shock absorbers to the marks made during the removal procedure. Tighten the lower arm-to-axle pivot bolt to 103-132 ft. lbs. (140-180 Nm) and lower arm-to-frame pivot bolt to 119-149 ft. lbs. (162-203 Nm).
- Install the stabilizer bar, if equipped.
- Remove the jack stands and lower the vehicle. If equipped, turn the air suspension switch ON .