32 41 430 Replacing ARS Expandable Hose Part 1 (From Vane Pump To Expandable Hose) (N55)

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Special tools required:

32 1 270

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
DANGER 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 line connections with seal plug. 32 1 270

Recycling:

Catch and dispose of hydraulic fluid in a suitable collecting vessel.

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

Necessary preliminary tasks:

Remove front UNDERBODY PROTECTION .
Remove front stiffening plate (F12 all-wheel drive vehicle).
Remove FAN COWL .
Remove front left CHARGE-AIR DUCT .
Remove AIR INTAKE SILENCER HOUSING .
Remove AIR CONDITIONING COMPRESSOR .
Detach POWER STEERING PUMP from engine.

Release pipe holder (1).

Release screws (2) on power steering pump and set line aside.

Tightening torque: 32 41 14AZ .

Fig 1: Pipe Holder And Screws

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Remove nuts (1) from line clip on transmission.

Tightening torque: 32 41 17AZ .

Fig 2: Nuts From Line Clip On Transmission

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Turn power steering pump upward and release screws (1) from expandable hose.

Tightening torque: 32 41 13AZ

Fig 3: Expandable Hose Screws

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Undo screws (1) from flange and pull off expandable hose.

Tightening torque: 37 13 8AZ .

Remove expandable hose part 1 toward the top.

Fig 4: Flange Screws

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IMPORTANT: When assembling, make sure that in succession only the seal plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.

After installation:

Fill and bleed HYDRAULIC SYSTEM .
Check pipe connections for leaks.
Carry out INITIAL OPERATION FOR DYNAMIC DRIVE .