Remove/install air suspension valve unit

AR32.22-P-2015FRX

Remove/install air suspension valve unit

23.05.2019

Model

290

with code 489 (AIR BODY CONTROL)

Modification notes

04.04.2019

Basic data added.

Operation step 10

23.05.2019

Pressure line to compressor/valve unit (P)

BA32.22-P-1004-03J

1

Heat shield

2

Electrical connector

3

Pressure line connections

4

Bolts

5

Pressure lines

Y36/6

AIR BODY CONTROL valve unit

Topical note

Notes on AIR BODY CONTROL

AH32.22-P-1000-03LWO



Remove

1

Release pressure of air suspension using vehicle diagnosis system.



AD00.00-P-2000-06FR

2

Remove rear underfloor paneling.

AR61.30-P-1001FR

3

Guide heat shield (1) out of stud bolts and push to the side.

4

Disconnect electrical connection (2).

5

Mark pressure line connections (3) relative to AIR BODY CONTROL valve unit (Y36/6).

6

Detach pressure line connections (3) from AIR BODY CONTROL valve unit (Y36/6) and seal openings with suitable stop plugs.

 Record plug

*129589009100

7

Remove screws (4) and remove AIR BODY CONTROL valve unit (Y36/6).



Install

8

Position AIR BODY CONTROL valve unit (Y36/6) and screw in screws (4).

 Bolt, valve unit to bracket for compressor unit

*BA32.22-P-1003-03J

9

Remove all stop plugs.

10

Attach pressure line connections (3) to AIR BODY CONTROL valve unit (Y36/6).


The threads of pressure line connections (3) must not be damaged.
Otherwise, leaks will occur.

 Observe markings.

 Pressure line for air suspension on front axle/rear axle to valve unit

*BA32.22-P-1006-03J

 Pressure line to compressor/valve unit (P)

*BA32.22-P-1004-03J

 Box wrench bit

*140589000300

 Box wrench bit

*001589000300

If threads are damaged:



Repair pressure line connections (3).

AR32.22-P-2001-01FR

 Knife

*000589122800

11

Connect electrical connector (2).



Check

12

Read out and delete fault memory using vehicle diagnosis system.



AD00.00-P-2000-06FR

 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

13

Perform an engine test run and check air suspension for proper operation.

14

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

AR32.22-P-8101FRX



Install

15

Position heat shield (1) on stud bolts.

16

Install rear underfloor paneling.

AR61.30-P-1001FR

17

Build up pressure of air suspension using vehicle diagnosis system.



AD00.00-P-2000-06FR

 Air suspension

Number

Designation

Model 290

BA32.22-P-1003-03J

Bolt, valve unit to bracket for compressor unit

Nm

5

 Air suspension

Number

Designation

Model 290

BA32.22-P-1004-03J

Pressure line to compressor/valve unit (P)

Nm

3,5

 Air suspension

Number

Designation

Model 290

BA32.22-P-1006-03J

Pressure line for air suspension on front axle/rear axle to valve unit

Nm

2