Remove/install the suspension strut

AR32.25-P-1017TA

Remove/install the suspension strut

11.11.09

9.8.08

SWZ 140 589 00 33 00 for prying off upper ball joint added

Step 3

AR33.20-P-0500-01N

 

Remove/install

 Danger!

Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities

No parts of the body or limbs should be within the operating range of the mechanism when moving components.

AS00.00-Z-0009-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



When working on the front-end assembly, be careful not to scratch, mark or notch the surfaces of aluminum parts. Otherwise the service life of the parts will be affected

 Installation

Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition.

1

Position wheels straight ahead

2

Remove front wheel



Remove/install wheels

AP40.10-P-4050Z

3

Relieve the pressure from the air suspension strut (40) using STAR DIAGNOSIS until the residual pressure is reached

 Residual pressure in air suspension strut up to 3.5 bar



Notes on AIRmatic

AH32.22-P-1000-02T

4

Disconnect electrical connector (1) at the top of the shift valve

5

Detach pressure line connection (40a)

 Seal pressure line during repair work.

 Installation: Before assembly, damaged pressure line connections or damaged pressure lines must be repaired.

AR32.22-P-2001-02I



*BA32.25-P-1003-04B



*211589000900

6

Unscrew nuts (2) of air suspension strut (40) to front end



*BA32.25-P-1001-04B

7

Remove fender liner front section in front fender

AR88.10-P-1310T

8

Disconnect electrical connector for damping valve unit

AR32.22-P-1500-01TV

9

Unscrew nut (3) and press upper ball joint out of steering knuckle (5)

 To prevent the steering knuckle from folding down too low, attach a support strap between the upper control arm (4) and wheel carrier.

AR33.20-P-0500-01N



*210589046300



*202589023300



*140589003300



*BA33.20-P-1018-01A

10

Detach air suspension strut (40) from spring control arm (6)

 Installation: Tighten the threaded connection in the curb condition at normal vehicle level.

11

Press down spring control arm (6), detach air suspension strut (40) from spring control arm (6) and remove sideways and downwards

 When replacing or reinstalling the air suspension strut, check the condition of the air suspension strut:

Check minimum installed length of air suspension struts and replace air suspension struts if necessary.

AR32.25-P-1017-02T



Dispose of suspension strut.

OS32.25-P-0122-01J

12

Install in the reverse order

13

Charge relevant air suspension strut (40) using STAR DIAGNOSIS to 5 bar

 When filling the wheels must not have any contact with the ground, as the air spring bellows in the air suspension strut will be destroyed when filling with suspension compressed.

14

Tighten threaded connection of air suspension struts (40) on spring control arm (6) to curb condition

 Select the normal vehicle level.



*BA32.25-P-1007-04B

15

Check AIRmatic for leaks.

AR32.22-P-8100T

Number

Designation

Model 211
Airmatic

BA32.25-P-1001-04B

Nut, front suspension strut to front end

Nm

30

BA32.25-P-1003-04B

Air suspension pressure line to front suspension strut

Nm

2

BA32.25-P-1007-04B

Nut, front suspension strut to spring control arm

Nm

165

Number

Designation

Model
211 except 211.08/09/ 28/29

BA33.20-P-1018-01A

Self-locking nut, upper wishbone follower joint to steering knuckle

Stage 1

Nm

20

Stage 2

°

90