Remove/install air suspension valve unit

AR32.22-P-2015EQ

Remove/install air suspension valve unit

04.04.2019

Model

293

1

Electrical connector

3

Bolts

2

Pressure line connections

Y36/6

AIR BODY CONTROL valve unit

Notes on level control

AH32.22-P-1001-02LWT



Remove

1

Remove left front wheel.

AR40.10-P-1102A

2

Release pressure of air suspension using vehicle diagnosis system.



AD00.00-P-2000-06FR

3

Switch off ignition and store transmitter key outside of transmission range (min. 2  m).

4

Remove left fender liner.

AR88.10-P-1300LW

5

Disconnect electrical connector (1).

6

Mark pressure line connections (2) relative to AIR BODY CONTROL valve unit (Y36/6).

7

Detach pressure line connections (2) from AIR BODY CONTROL valve unit (Y36/6) and seal openings using suitable stop plugs.

 Box wrench bit

*001589000300

 Record plug

*129589009100

8

Unscrew bolts (3) and remove AIR BODY CONTROL valve unit (Y36/6).



Check

9

Check decoupling elements of bolts (3) for condition and damage.

In the event of a problem,



replace corresponding decoupling element.



Install

10

Position AIR BODY CONTROL valve unit (Y36/6) and screw in screws (3).

 Bolt, valve unit to bracket for compressor unit

*BA32.22-P-1003-03G

11

Remove all stop plugs.

12

Attach pressure line connections (2) to AIR BODY CONTROL valve unit (Y36/6).

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW


The threads of the pressure line connections (2) must not be damaged.
Otherwise, leaks will occur.

 Observe markings.

 Pressure line to rear air suspension/valve unit

*BA32.22-P-1005-03G

 Pressure line to compressor/valve unit (P)

*BA32.22-P-1004-03G

 Box wrench bit

*140589000300

 Box wrench bit

*001589000300

If the threads are damaged,



repair pressure line connections (2).

AR32.22-P-2001-01EQ

 Box wrench bit

*140589000300

 Box wrench bit

*001589000300

 Knife

*000589122800

13

Connect electrical connector (1).

14

Build up pressure of air suspension using vehicle diagnosis system.



AD00.00-P-2000-06FR


Build up air suspension pressure as per the specifications.
Otherwise, parts of the air suspension will suffer initial damage and malfunction at a later stage.



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

15

Start engine and check air suspension for proper operation.

16

Check AIR BODY CONTROL valve unit (Y36/6) for leak tightness.

AR32.33-P-0021EQ

17

Install left fender liner.

AR88.10-P-1300LW

18

Mount left front wheel.

AR40.10-P-1102A

 Air suspension

Number

Designation

Model 293

BA32.22-P-1003-03G

Bolt, valve unit to bracket for compressor unit

Nm

5

 Air suspension

Number

Designation

Model 293

BA32.22-P-1004-03G

Pressure line to compressor/valve unit (P)

Nm

3,5

 Air suspension

Number

Designation

Model 293

BA32.22-P-1005-03G

Pressure line to rear air suspension/valve unit

Nm

2