32 41 430 Replacing ARS expansion hose part 1, from vane pump to expansion hose (RWD with N63 engine)

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Special tools required:

32 1 270

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Close off pipe connections with plugs. 32 1 270

Recycling

Catch and dispose of hydraulic fluid in a suitable container.

IMPORTANT: Pressure line and connections must be provided with suitable plugs 32 1 270 immediately after removal!

Necessary preliminary tasks

Remove left FRONT WHEEL
Remove front UNDERBODY PROTECTION
Remove left steering assembly COVER
Remove FAN COWL with electric fan
Release and disengage front ACTIVE STABILIZER BAR
Remove pressure lines from active stabilizer bar. See PRESSURE LINE FOR SWIVEL MOTOR VA1 and PRESSURE LINE ON SWIVEL MOTOR VA2 .

Release screw connection (1) on power steering pump and detach line.

Tightening torque 37 13 10AZ .

Fig 1: Identifying Screw Connection

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Release holder (1) on power steering pump.

Fig 2: Identifying Holder On Power Steering Pump

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Release holder (1).

Fig 3: Identifying Holder

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Release screw connection (1) on T-piece and remove expansion hose (3) towards top.

Tightening torque 37 13 11AZ .

Fig 4: Identifying Screw Connection And Expansion Hose

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IMPORTANT: When assembling, make sure that in succession only the sealing plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.

After installation

Fill and bleed HYDRAULIC SYSTEM
Check line connections for leaks
Carry out INITIAL DYNAMIC DRIVE OPERATION