Power Steering Pump: Service and Repair

Removing and installing vane pump for power steering (M52/M54 engine)

Caution:
Make sure all parts are absolutely clean.
No dirt is allowed to enter the system.
Seal off pipe connections with plugs.

Recycling:
Observe country specific waste disposal regulations.
Draw hydraulic fluid out of tank -> do not reuse.

Installation:
Fill hydraulic system, refer to Power Steering Bleeding, Service and Repair.

Remove engine underguard.
Remove drive belt, refer to Engine, Drive Belts, Mounts, Brackets and Accessories.

Disconnect suction and pressure lines from pump.

Installation:
Tightening torque,
- Hydraulic line connections to vane pump and steering gear
- M10 Banjo bolt 12 Nm
- M14 Banjo bolt 35 Nm
- M16 Banjo bolt 40 Nm
- M18 Banjo bolt 45 Nm
- Cap screw 36 Nm






Unfasten screws.
Remove pump.