32 41 420 Replacing expansion hose part 1 (with ARS) (from vane pump) (vehicles with N63 engine)
DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
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 container.
Necessary preliminary tasks:
- Remove left FRONT WHEEL
- Remove front UNDERBODY PROTECTION
- Remove left steering assembly COVER
- Release and disengage front ACTIVE STABILIZER
- Remove pressure lines from active stabilizer bar. See REMOVING PRESSURE LINE FOR VA1 SWIVEL MOTOR and REMOVING PRESSURE LINE ON VA2 SWIVEL MOTOR .
Release screw connection (1) on power steering pump and detach line.
Tightening torque 37 13 10AZ .
Release screw connection for flange (1).
Tightening torque 37 14 8AZ .
Release pipe holder (2).
Release holder (1) and remove line.
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