Dismantling
1. Raise the rear of the vehicle and jack it up.
WARNING: Do not work under a vehicle raised only on a jack or lift. Always install safety props.
2. Remove the anti-roll bar.
REAR SUSPENSION, REPAIR WORKS, Anti-roll bars.
3. Turn away a nut and a bolt of fastening of draft of the gauge of height of provision of a body to the lower suspension arm.
4. Place a jack under the lower control arm.
5. Release the air from the rear air suspension circuit.
REAR SUSPENSION, ADJUSTMENTS, Pneumatic suspension - air release and filling the system with air.
6. Turn away a bolt of fastening of the shock-absorber to the bottom lever.
7. Disconnect the shock absorber from the lower arm.
8. Turn away the screw of fastening of a pneumatic element to the bottom lever.
9. Remove and discard the nut and bolt that secures the lower suspension arm to the hub.
10. Turn away 2 bolts of fastening of the bottom lever to a stretcher.
11. Release the air element mounting collar from the lower arm.
CAUTION: Do not deform the air element - do not stretch it or compress it.
12. Turn away 2 bolts of fastening of the lower arm to a stretcher. Discard the bolts.
13. Remove the lower arm.
Assembly
1. Clean the mating surfaces of the lower arm and subframe.
2. Install the lower arm and tighten the new bolts, do not completely tighten them yet.
3. Raise the lower arm and insert the air element mounting collar into it.
4. Clean the mating surfaces of the lower arm and hub.
5. Align the hub with the lower arm and install the new nut and bolt, tightening them to 250 Nm (184 lb ft).
6. Tighten the screw securing the pneumatic element to the lower arm with a torque of 7 Nm (5 lb ft).
7. Align the shock absorber with the lower arm, install the mounting bolt and tighten it with a torque of 110 Nm (81 lb ft).
8. Tighten the bolt securing the lower arm to the subframe with a torque of 165 Nm (121 lb ft).
9. Bring the pressure in the air suspension system to the nominal value.
REAR SUSPENSION, ADJUSTMENTS, Pneumatic suspension - air release and filling the system with air.
10. Bring the body height sensor rod to the lower arm and tighten the nut and bolt with a torque of 19 Nm (14 lb ft).
11. Establish a rack of the stabilizer of cross-section stability.
REAR SUSPENSION, REPAIR WORKS, Anti-roll bars.
12. Remove props and lower the car.
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