Removing
1. Install the car in "Service position" (only vehicles with rear air suspension).
2. Disconnect the negative cable from the battery.
3. Remove hub 6 (see fig. 7.13).
Pic. 7.13. Lower Suspension Arm:
1. Lower arm,
2. Protective shield,
3, 10, 12, 14, 15, 16. Bolts,
4. Bearing,
5. Blocking ring,
6. hub,
7. Brake disc,
8. Blower element with rotor for ABS,
9. Pumping device without rotor,
11. Nut,
13. Eccentric bolt,
17. Brake caliper,
18. Parking brake cable,
19. Connecting rod load distribution valve,
20. Spring,
21. Shock absorber,
22. Service button,
23. Rise height sensor,
24. Air chamber,
25. Injection tube,
26. Control thrust.
4. Unscrew the bolts 15 and 16 securing the brake caliper 17 to the lower arm 1.
5. Remove the parking brake pads.
6. Unscrew the bolts 3 securing the protective shield 2 to the lower arm 1 and remove it.
7. Disconnect the ABS sensor from the lower arm 1.
8. Disconnect the electrical wiring from the parking brake cable.
9. Disconnect the connecting rods of the brake force distribution valve 19 from the lower arm 1.
10. Unscrew the control lever 26 from the lower lever 1.
11. Disconnect the injection pipes 25 from the shock absorber 21.
12. Set lower arm 1 to vertical position.
13. Turn off a bolt of fastening of the shock-absorber 21 to the bottom lever.
14. Remove the air chambers 24 from the supports on the lower arm.
15. Turn off bolts 13 and 14 of fastening of the bottom lever to a body.
Installation
16. Installation is made in an order, the return to removal. Adjust the brake force valve adjuster according to the load on the rear axle (see table 7.1).
Table 7.1. Adjustment data for the brake force valve regulator depending on the load on the rear axle.