32 41 033 Removing and Installing Power Steering Pump For Power Steering Gear With Active Front Steering
32 41 033 Removing and installing/replacing power steering pump for power steering gear with active front steering (N54)
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.
Seal off hydraulic lines with plugs.
Important!
Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without colour coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic.
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 belt pulley
Release hose clamp (1) and detach suction line from power steering pump.
Installation:
Replace hose clamp.
Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.
Align suction line by way of marking (2) to power steering pump connection marking.
Unfasten plug connection (1) and disconnect.
Release screw (2).
Tightening torque 32 41 9AZ.
Installation:
Replace aluminium screws.
Observe screwing sequence!
Release screws (1).
Tightening torque 32 41 9AZ.
Installation:
Replace aluminium screws.
Observe screwing sequence!
Turn power steering pump to one side and release screw (1).
Tightening torque 32 41 6AZ.
Disconnect pressure line (2).
Lift out power steering pump.
Installation:
Replace sealing ring.
Screwing sequence:
1. Secure power steering pump with screws
2. Tighten side screw to 2 Nm
3. Tighten front screws to 2 Nm
4. Tighten down front screws to jointing torque.
Tightening torque 32 41 9AZ.
5. Release screw at side and check screw fastening points for gap freedom
6. Tighten screws at side to jointing torque.
Tightening torque 32 41 9AZ.
After installation:
^ Fill and bleed hydraulic system
^ Check pipe connections for leaks
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