AR35.20-P-0115T Remove/Install Wheel Carrier

AR35.20-P-0115T Remove/Install Wheel Carrier
- with CODE (489) Airmatic (semi-active air suspension)

Shown On Model 211 With Steel Suspension:

DANGER
- Lethal injuries are possible if vehicle slips off of lifting platform
- Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer.
- Risk of injury from trapping or crushing body parts, risk of injury to skin and eyes due to brake fluid spraying out at high pressure when working on the SBC brake system
- Deactivate SBC brake system using STAR DIAGNOSIS.

CAUTION:
- While working on the rear axle care must be taken to ensure that the surface of all aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts will be affected
- See Special information on AIRmatic
- See notes on self-locking nuts and bolts

1 Deactivate SBC brake system using STAR DIAGNOSIS.
2 Empty/fill rear air springs using STAR DIAGNOSIS
- With Airmatic, code (489a)

CAUTION: Installation: Always fill the rear air springs in the KO position otherwise they will be irreparably damaged!

3 Remove twelve-point nut (12) from rear axle shaft (37)

NOTE: Installation: Replace twelve-point nut, tighten and secure.

4 Remove rear wheel
5 Remove rear brake pads

CAUTION: Hang the brake caliper up with a hook to relieve the strain on the brake hose.

6 Remove rear brake disk (61)
7 Remove both brake shoes of parking brake (103)
8 Pull brake cable (86) out of wheel carrier (7)
9 Remove left or right rear rpm sensor (L6/3, L6/4) from wheel carrier (7)
10 Detach link rod (6k) of torsion bar from wheel carrier (7)
11 Raise wheel carrier (7) using transmission jack and transmission platform until axle shaft (37) is roughly horizontal

CAUTION: Installation: Tighten bolted connections of torque strut, camber strut, thrust arm and track rod.

12 Detach torque strut (3) from wheel carrier (7)

CAUTION: Installation: Secure torque strut loosely.

13 Detach camber strut (2) from wheel carrier (7)

CAUTION: Installation: Secure camber strut loosely.

14 Detach track rod (4) from wheel carrier (7)

CAUTION: Installation: Secure track rod loosely.

15 Detach thrust arm (5) from wheel carrier (7)

CAUTION: Installation: Secure thrust arm loosely.

16 Lower transmission jack

NOTE: Installation: Raise wheel carrier (7) with transmission jack and transmission platform until axle shaft (37) is roughly horizontal.

17 Unscrew bolt holding spring link (6) to wheel carrier (7)
18 Check whether rear axle shaft is firmly seated in rear axle shaft flange
- To loosen a jammed rear axle shaft press rear axle shaft out of rear axle shaft flange.

19 Lever wheel carrier (7) off the supporting joint (6a) and remove wheel carrier

CAUTION:
- Hook the rear axle shaft up to avoid damaging the rubber sleeve of the rear axle shaft.
- Installation: Using a suitable tool, drive the sleeve (7b) flush into the wheel carrier (7).

20 Detach wheel bearing (10) from wheel carrier (7)
21 Remove brake cover (112c)
22 Install in the reverse order
23 Adjusting parking brake
24 Activate SBC brake system using STAR DIAGNOSIS
25 Use STAR DIAGNOSIS to move brake pads toward brake disks
26 Carry out chassis alignment check.