Remove/install front axle valve body

AR32.50-P-0001LF

Remove/install front axle valve body

30.01.2019

Model

217

with code 487 (Active Body Control (ABC))

Model

222

with code 487 (Active Body Control (ABC))

Shown on MODEL 222 with CODE 487 (Active Body Control (ABC))

1

Hydraulic lines

2

Nuts

Y36/1

ABC front axle valve unit

 Warning

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.

Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

Topical note

Notes on fitting hydraulic lines and hoses

AH32.50-P-0001-02A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on Active Body Control suspension

AH32.50-P-0001-01N

 

Remove/install

1

Release pressure in ABC system using diagnostic system

AR32.50-P-0001-01LF



AD00.00-P-2000-04B

2

Detach left front wheel-and-tire assembly

AR40.10-P-1102A

3

Remove left front fender liner

AR88.10-P-1300LF

4

Detach all electrical connections (5 pieces) from front axle ABC valve unit (Y36/1)

5

Clean area surrounding hydraulic line connections on front axle ABC valve unit (Y36/1)

 Use clean, lint-free rags and cleaner without any mineral oil only.

6

Mark hydraulic lines (1) relative to connections on front axle ABC valve unit (Y36/1) and detach


Make sure that dirt does not enter into the opened hydraulic lines (1) and the front axle ABC valve unit (Y36/1).
The ABC system can otherwise fail.

 Bolt, lines to front valve unit

*BA32.50-P-1003-03B

Check sealing rings for damage:



Install new seals.

Check support rings for damage:



Replace hydraulic line (1).

7

Seal hydraulic lines (1) and openings on front axle ABC valve unit (Y36/1) using stop plugs

 Record plug

*129589009100

8

Unscrew nuts (2) and detach front axle ABC valve unit (Y36/1) with bracket from longitudinal member

 Nut, front valve unit bracket to longitudinal member

*BA32.50-P-1001-03B

9

Transfer marking on old front axle ABC valve unit (Y36/1) to new front axle ABC valve unit (Y36/1)

When replacing front axle ABC valve unit (Y36/1)

10

Detach all brackets from the front axle ABC valve unit (Y36/1)

When replacing front axle ABC valve unit (Y36/1)

 Bolt, bracket to front valve unit

*BA32.50-P-1002-03B

11

Install in the reverse order

12

Replace stop plugs in removed front axle ABC valve unit (Y36/1) with plugs

When replacing front axle ABC valve unit (Y36/1)

 Caps are supplied with new part.

13

Fill and bleed ABC system

AR32.50-P-0021SX

 Active Body Control

Number

Designation

Model 217

Model 222

BA32.50-P-1001-03B

Nut, front valve unit bracket to longitudinal member

M8

Nm

20

20

 Active Body Control

Number

Designation

Model 217

Model 222

BA32.50-P-1002-03B

Bolt, bracket to front valve unit

M6

Nm

10

10

 Active Body Control

Number

Designation

Model 217

Model 222

BA32.50-P-1003-03B

Bolt, lines to front valve unit

M8

Nm

20

20