32 41 033 Removing And Installing/Replacing Power Steering Pump For Hydraulic Steering Box With Active Steering (N55)
RISK OF INJURY if oil comes into contact with eyes and skin!
Seal off hydraulic lines with seal plugs.
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of damage) !
Necessary preliminary work:
- Draw off and dispose of hydraulic fluid from oil reservoir
- Remove FRONT UNDERBODY PROTECTION
- Remove COVER OF STEERING ASSEMBLY at bottom left
- Remove fan cowl with electric fan
- Remove BELT PULLEY
Release hose clamp (1) and detach intake pipe from power steering pump.
Installation note:
Replace hose clamp.
Make sure hydraulic lines are laid without tension and with sufficient distance to adjoining components.
Align intake pipe by way of marking (2) to power steering pump connection marking.
Release screw (1).
Tightening torque: 32 41 6AZ .
Detach pressure line (2).
Installation note:
Replace sealing ring.
Unfasten plug connection (1) and disconnect.
Unscrew screws (2) and (5).
Tightening torque: 32 41 9AZ .
Installation note:
Replace aluminum screws.
Observe screwing sequence!
Release screws (1).
Tightening torque: 32 41 9AZ .
Installation note:
Replace aluminum screws.
Observe screwing sequence!
Screwing sequence:
- Secure power steering pump with screws
- Tighten side screws to 2 Nm
- Tighten front screws to 2 Nm
- Tighten down front screws to jointing torque.
Tightening torque: 32 41 9AZ .
- Release screw at side and check bolting points for gap freedom
- Tighten screws at side to jointing torque.
Tightening torque: 32 41 9AZ .
After installation:
- Fill and bleed HYDRAULIC SYSTEM
- Check line connections for leak tightness