Remove/install air suspension valve unit

AR32.22-P-2015EW

Remove/install air suspension valve unit

18.11.2014

MODEL

212.0/1

with CODE 488 (Steel/air suspension)

MODEL

212.0/1

with CODE 489 (AIRMATIC)

MODEL

212.2

MODEL

218

with CODE 488 (Steel/air suspension)

MODEL

218

with CODE 489 (AIRMATIC)

7

Electrical connector

8

Nuts

9

Bracket

10

Cover

Y36/6

AIRmatic valve unit

Pressure line connections

1

Pressure line connection

2

Pressure line connection

3

Pressure line connection

4

Pressure line connection

5

Pressure line connection

6

Pressure line connection

A9/1

AIRmatic compressor

Y36/6

AIRmatic valve unit

 Danger !

Risk of injury. Moving parts 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

 Danger !

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A



Notes on AIRmatic

AH32.22-P-1000-02EW

 

Remove/install

1

Drain AIRmatic or steel/air suspension using diagnostic system



AD00.00-P-2000-04A

2

Remove cover (10)

MODEL 212.0/1
with CODE 488 (Steel/air suspension)
MODEL 212.0/1
with CODE 489 (AIRMATIC)
MODEL 212.2
MODEL 218.3
with CODE 488 (Steel/air suspension)
MODEL 218.3
with CODE 489 (AIRMATIC)

3

Detach electrical connection (7) from AIRmatic valve unit (Y36/6)

4

Detach pressure lines to pressure line connections (1, 2, 3, 4, 5, 6) from AIRmatic valve unit (Y36/6)


Note assignment and color coding on pressure line connections (1, 2, 3, 4, 5, 6) and the AIRmatic valve unit (Y36/6).
Otherwise, the AIRmatic or the steel/air suspension function may be impaired.

 Pressure line to compressor/valve unit

*BA32.22-P-1007-03E

 Pressure line, pressure reservoir to valve unit

*BA32.22-P-1009-03E

 Pressure line to air suspension/valve unit

*BA32.22-P-1010-03E

 Pressure line to front suspension strut/valve unit

*BA32.22-P-1011-03E

 Socket wrench bit

*211589000900

 Box wrench bit

*140589000300

5

Use suitable stop plugs to seal off pressure line connections (1, 2, 3, 4, 5, 6) of pressure lines

6

Unscrew nuts (8) and remove AIRmatic valve unit (Y36/6)

 Nut, valve unit bracket to body

*BA32.22-P-1004-03E

7

Remove bracket (9) from AIRmatic valve unit (Y36/6)

When replacing the AIRmatic valve unit (Y36/6).

 Bolt, valve unit bracket to valve unit

*BA32.22-P-1003-03E

8

Install in the reverse order

9

Read out fault memory using the diagnostic system and delete if necessary



AD00.00-P-2000-04A



Check

10

Check AIRmatic or steel/air suspension for leaktightness

MODEL 212
with CODE 488 (Steel/air suspension)
MODEL 212
with CODE 489 (AIRMATIC)

AR32.22-P-8100EW

MODEL 218
with CODE 488 (Steel/air suspension)
MODEL 218
with CODE 489 (AIRMATIC)

AR32.22-P-8100EL

 Danger !

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

11

Perform engine test run and check AIRmatic or steel/air suspension for proper operation

 Air suspension

Number

Designation

MODEL 212

MODEL 218

BA32.22-P-1003-03E

Bolt, valve unit bracket to valve unit

Nm

4

4

 Air suspension

Number

Designation

MODEL 212

MODEL 218

BA32.22-P-1004-03E

Nut, valve unit bracket to body

Nm

5

6

 Air suspension

Number

Designation

MODEL 212

MODEL 218

BA32.22-P-1007-03E

Pressure line to compressor/valve unit

Nm

3,5 (0,5)

3,5 (0,5)

 Air suspension

Number

Designation

MODEL 212

MODEL 218

BA32.22-P-1009-03E

Pressure line, pressure reservoir to valve unit

Nm

2 (+0,5)

2 (+0,5)

 Air suspension

Number

Designation

MODEL 212

MODEL 218

BA32.22-P-1010-03E

Pressure line to air suspension/valve unit

Nm

2 (+0,5)

2 (+0,5)

 Air suspension

Number

Designation

MODEL 212

MODEL 218

BA32.22-P-1011-03E

Pressure line to front suspension strut/valve unit

Nm

2 (+0,5)

2 (+0,5)