Arm Assembly - Upper

64.35.60 Arm assembly - upper
Do not depressurize air suspension system before raising vehicle

Remove
1. Remove exhaust system.
2. 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.

3. Remove road wheel.





4. depressurize rear suspension.
5. Release ABS sensor lead from upper arm.





6. Remove 2 Allen screws securing brake pipe.
7. Remove Allen screw securing hand brake cable bracket.





8. Position jack to support the lower arm.
9. Reference mark eccentric in relationship to upper arm.





10. Remove and discard nut and bolt securing hub to upper arm. Release hub from arm.





11. Remove clip from air spring upper mounting.
12. Remove bolt securing damper to lower arm.
13. Release damper from lower arm.





14. Support weight of subframe assembly on a jack
15. Remove 2 bolts securing subframe to body.
16. Lower subframe approximately 75 mm for access to bolts securing upper arm to subframe.





17. Remove washer from top of each subframe bush.
18. Remove 2 bolts securing upper arm.
19. Remove upper arm.

Refit
1. Clean upper arm bush locations.
2. Fit upper arm, fit bolts but do not tighten at this stage.

CAUTION: Nuts and bolts must be tightened with vehicle at normal ride height.

3. Align damper to lower arm, fit through bolt and tighten to 110 Nm (81 ft. lbs.).
4. Tighten bolts securing upper arm to subframe to 165 Nm (121 ft. lbs.).
5. Fit washers to subframe bushes.
6. Raise subframe, fit bolts securing subframe to body and tighten to 165 Nm (122 ft. lbs.).
7. Pressurize system sufficiently to locate spring top mounting and fit clip.
8. Align hub to upper arm, fit new bolt, align eccentric to reference mark and lightly tighten.
9. Position Handbrake cable bracket to upper arm, fit Allen screw and tighten to 5 Nm (3.7 ft. lbs.).
10. Fit Allen screws securing brake pipe to upper arm and tighten to 5 Nm (3.7 ft. lbs.).
11. Secure ABS sensor lead.
12. Pressurize suspension.
13. Fit road wheel and tighten nuts to 140 Nm (103 ft. lbs.).
14. Lower vehicle.
15. Fit exhaust system.
16. Check wheel alignment.
17. Tighten bolt securing upper arm to hub to 165 Nm (121 ft. lbs.).