32 13 065 Removing and installing/replacing active front steering power steering gear
Seal off pipe connections with plugs.
Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Remove Front Assembly Underside Protection
- Remove diesel enclosure on driver's side
- E93: Remove V-strut
- Remove both Tie Rod Ends From Swivel Bearing
- Replacement only: Remove both Tie Rod Ends From Tie Rod
- Remove Lower Steering Spindle From Power Steering Gear
- Disconnect plug connection from power steering pump and expose connecting cable up to power steering gear
If necessary, remove heat shield from power steering gear.
Release banjo bolts (1, 2).
Disconnect pressure line (4) and return line (3) from power steering gear.
Installation:
Replace all sealing rings.
Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.
For tightening torque refer to 32 41 9AZ (pressure line) in 32 41 PUMP AND OIL SUPPLY .
For tightening torque refer to 32 41 10AZ (return line) in 32 41 PUMP AND OIL SUPPLY .
Release screws (1) and remove brackets.
Release screws (2), remove pressure line and tie back.
For tightening torque refer to 41 11AZ in 32 41 PUMP AND OIL SUPPLY .
Disconnect plug connections (1) and lay connecting cables to one side.
Tie up power steering gear to prevent it from falling down when disconnecting plug connections.
Do not expose connecting cables to tensile load.
Release nuts and remove screws (1) towards bottom.
Move power steering gear forwards and tie up.
Installation:
Replace screws and nuts.
For tightening torque refer to 32 00 1AZ in 32 00 STEERING .
Disconnect plug connections (1) and lay connecting cables to one side.
Remove power steering gear.
After installation:
- Fill and Bleed Hydraulic System
- Check pipe connections for leaks
- Perform Chassis Alignment Check
- Carry out Steering Angle Sensor Adjustment