Remove/install air bellows

AR32.22-D-2003HA

Remove/install air bellows

12.3.10

 

Remove/install

 Danger!

Risk of death from lowering vehicle when working between wheels and body. Risk of injury from pinching or crushing when working on the air suspension.

Do not work between wheels and wheel wells or in wheel box.

Only perform testing and adjustment operations from below the vehicle.

Secure areas with moving vehicle parts against unauthorized access.

AS32.22-Z-0001-01A



Notes on air suspension

AH32.22-N-1000-01H

1

Release compressed air from air suspension system

AR32.22-D-2019H

2

Deactivate air suspension

AR32.22-D-6000-02HA

3

Raise vehicle

AR00.60-D-1000H

4

Unscrew compressed air hose at level control valve unit (Y36)

 In order to drain the residual pressure from the air spring bellows (8) to be removed, select the corresponding compressed air hose for the left air spring bellows (1) or right air spring bellows (2). Seal connections with plugs.



*BA32.22-N-1006-03H



*129589009100

5

Unhook height sensor link rod (3) on semi-trailing arm (4)

6

Support semi-trailing arm (4) with transmission jack

Transmission jack 2.0-7.0 t

gotis://H_00.10_01.0

7

Unscrew stabilizer link rod (6) on semi-trailing arm (4)



*BA32.35-N-1005-03B

8

Unscrew damper (5) on semi-trailing arm (4)



*BA32.25-N-1003-03A

9

Pull off spring retaining pin (7)

10

Lower semi-trailing arm (4)

 Lower semi-trailing arm (4) until the air spring bellows (8) is exposed.

11

Unscrew compressed air hose (10) on air spring bellows (8)

 Seal off connections with plugs.



*BA32.22-N-1002-03H



*129589009100

12

Remove air bellows (8)

 Installation: The air spring bellows (8) must not be twisted.



Checking

13

Check air suspension bellows (8) and piston (9) for damage and wear

 If damaged or worn, install a new air suspension bellows (8) and/or piston (9).

14

Install in the reverse order

15

Check air suspension for leaks

AR32.22-D-8000HA

Number

Designation

Model
906
with code CE2 (Rear air suspension)

BA32.22-N-1002-03H

Voss connection to air spring bellows

Nm

5

BA32.22-N-1006-03H

Voss connection to air bellows on valve unit

Nm

2

Number

Designation

Model
906
with rear axle 741.417

BA32.25-N-1003-03A

Bolt, shock absorber to semi-trailing arm low frame

M141.5

Nm

130

Number

Designation

Model
906.1 with rear axle 741.417

BA32.35-N-1005-03B

Bolt/nut, link rod

M10 10.9

Nm

54