Removing and Installing/Replacing Power Steering Vane Pump

32 41 060 - Removing and installing/replacing vane pump for power steering (N54)





Warning!
Danger to life!
Secure engine in installation position Securing Engine in Installation Position to prevent it from falling down.
Danger of poisoning 00 .. ... Danger of Poisoning If Oil Is Ingested/Absorbed Through the Skin if oil is ingested/absorbed through the skin!
Risk of injury 00 .. ... Risk of Injury If Oil Comes Into Contact With Eyes and Skin 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.
Close off pipe connections with plugs.





Recycling:
Catch and dispose of hydraulic fluid in a suitable container.
Observe country-specific waste-disposal regulations





Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Remove belt pulley Removing and Installing/Replacing Belt Pulley on Vane Pump for Power Steering
- Lower front axle support





Release screws (1, 2) and remove power steering pump towards front.

Installation Note:
Observe installation sequence at end of document.





Release banjo bolt (2) and detach pressure line (1) from vane pump.

Installation Note:
Replace all sealing rings.
Tightening torque 32 41 3AZ Pump and Oil Supply.

Release hose clamp (3) and detach suction line (4) from vane pump.

Remove vane pump.

Installation Note:
Markings (5) on suction line and vane pump connection must match up.





Installation sequence:
1. Insert screws (1, 2) (do not tighten down)
2. Tighten first screw (2) and then screws (1) to 2 Nm
3. Tighten down screws (1)
Tightening torque 32 41 1AZ Pump and Oil Supply.
4. Release screw (2) and check screw fastening point for gap freedom
5. Tighten down screw (2)
Tightening torque 32 41 1AZ Pump and Oil Supply.





After installation:
- Fill and bleed hydraulic system Service and Repair
- Check pipe connections for leaks