Replacing Suction Line for Power Steering (AWD)

32 41 311 - Replacing suction line for power steering (N54 AWD)





Important!
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Close off pipe connections with plugs.





Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Remove front underbody protection Removing and Installing / Replacing Front Underbody Protection
- Remove steering gear cover at side





Version with automatic transmission:
Release bolts (1).
Remove bracket (2) for transmission oil cooler lines from front axle carrier.





Unfasten hose clip (1).
Detach suction line (2) from vane pump; if necessary, remove return line for power steering from front axle carrier.

Installation Note:
Markings (3) on suction line and vane pump connection must match up.





Expose suction line up to connection on fluid reservoir.





Remove fluid reservoir from mounting bracket/body Service and Repair.
Unfasten hose clip (1).
Disconnect suction line (2) from fluid reservoir.

Installation Note:
Make sure hydraulic line is laid without tension and with sufficient spacing to adjoining components.





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