Arm Assembly - Lower

64.35.54 Arm assembly - lower
Do not depressurize air suspension system before raising vehicle

Remove
1. Raise rear of vehicle and support under body.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.





2. Remove anti-roll bar link.
3. Remove nut and bolt securing sensor link to lower arm.
4. Position jack to support the lower arm.





5. depressurize rear suspension.
6. Remove bolt securing damper to lower arm.
7. Release damper from lower arm.
8. Remove screw securing spring to lower arm.





9. Remove and discard nut and bolt securing lower arm to hub.
10. Loosen 2 bolts securing lower arm to subframe.
11. Release air spring spigot from lower arm.

CAUTION: Do not extend or compress air spring.

12. Remove 2 bolts securing lower arm to subframe. Discard bolts.
13. Remove lower arm.

Refit
1. Clean lower arm pivot and subframe mating faces.
2. Fit lower arm, fit new bolts but do not tighten at this stage.
3. Raise lower arm and locate air spring spigot.
4. Clean lower arm and hub mating faces.
5. Align hub to lower arm, fit new nut and bolt and tighten to 250 Nm (184 ft. lbs.).
6. Fit screw securing spring to lower arm and tighten to 7 Nm (5 ft. lbs.).
7. Align damper to lower arm, fit through bolt and tighten to 110 Nm (81 ft. lbs.).
8. Tighten bolts securing lower arm to subframe to 165 Nm (121 ft. lbs.).
9. Pressurize suspension.
10. Align height sensor link to lower arm, fit nut and bolt and tighten to 19 Nm (14 ft. lbs.).
11. Fit anti-roll bar link.
12. Remove stands and lower vehicle.