Removing and Installing/Replacing Power Steering Gear (AWD)

32 13 060 - Removing and installing/replacing power steering gear (AWD)





Warning!
Danger to life!
Secure engine in installation position Securing Engine In Installation Position (N52, N53) 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.
Seal off hydraulic lines with plugs.





Necessary preliminary tasks:
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Secure engine in installation position Securing Engine In Installation Position (N52, N53)
- Remove both tie rod ends from swivel bearing Replacing Left or Right Tie Rod End (AWD)
- Replacement only: Remove both tie rod ends from tie rod Replacing Left or Right Tie Rod End (AWD)
- Remove both control arms from swivel bearing Removing And Installing/Replacing Left or Right Control Arm (AWD)
- Remove both stabilizer links from stabilizer Removing and Installing/Replacing Push Rod (Stabilizer Link) for Left/Right Stabilizer
- Lower front axle carrier Lowering/Raising Front Axle Carrier (AWD) until power steering gear rests on output shaft





Important!
Replacement only:
Banjo bolt (A) for pressure line (expansion hose) must be replaced by banjo bolt with non-return valve (B).





Release banjo bolts (1, 4).
Remove brackets for pressure and return lines from front axle carrier.
Disconnect pressure line (2) and return line (3) from power steering gear.

Installation Note:
Replace all sealing rings.
Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.
Tightening torque 32 41 3AZ Pump and Oil Supply.





Release screws (1) and remove nuts.

Installation Note:
Replace screws and self-locking nuts.
Tightening torque 32 00 1AZ Steering.





Important!
Pay attention to power steering hoses and lines when lowering. Hoses/lines must not be tensioned/bent/kinked!
When lowering and raising, make sure the cover for the relevant tension strut rubber mount is free to move.





Press front axle carrier forwards to guide power steering gear past output shaft.
Lower front axle carrier further.

Important!
Pay attention to vacuum hose of electric switchover valve.

Slide power steering gear towards rear up to stop, rotate and remove at side.





After installation:
- Fill and bleed hydraulic system Service and Repair
- Check pipe connections for leaks
- Perform chassis alignment check
- Carry out steering angle sensor adjustment Adjustments