32 41 033 Removing and installing/replacing power steering pump for power steering gear with active front steering (N54): Notes
RISK OF INJURY if oil comes into contact with eyes and skin!
Seal off hydraulic lines with plugs.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released.
The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Remove FRONT UNDERBODY PROTECTION
- Remove gaiter with resonator
- Remove BELT PULLEY
Release hose clamp (1) and detach suction line from power steering pump.
Release banjo bolt (2) and detach pressure line from power steering pump.
Installation:
Replace all sealing rings.
Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.
Align suction line by way of "P" marking to connection on power steering pump.
Tightening torque 32 41 4AZ .
Disconnect plug connection (1).
Release screws (2, 5).
Installation:
Reinstall holder (3).
Make sure vent line (4) is correctly seated in holder retaining clip (3).
Replace aluminium screws.
Observe screwing sequence!
Release bolts (1) and remove power steering pump towards top.
Installation:
Replace aluminium screws.
Observe screwing sequence!