32 13 065 Removing and Installing Active Front Steering Hydraulic Steering Gear

32 13 065 Removing and installing active front steering hydraulic steering gear





Warning!
Secure engine in installation position with special tool to prevent it from falling down.





Warning!
Danger of poisoning if oil is ingested/absorbed through the skin!
Risk of injury 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.





Necessary preliminary tasks:
^ Draw off and dispose of hydraulic fluid from fluid reservoir
^ Remove track rod end on both sides from swivel bearing
^ Version with Dynamic Drive: Remove both anti-roll bar links from anti-roll bar
^ Remove lower section of steering spindle from steering gear
^ Disconnect plug connection for Eco valve on back of power steering pump





Important!
To avoid the need for axle/wheel alignment, mark position of steering gear (1) to front axle support (2).
To do so, draw a wide white stripe on the rear bolting points (left and right) and apply a thin black marking (3) to this stripe.





^ Lower front axle support





Mark installation positions of pressure and return lines to power steering gear.

Release banjo bolts (1).

Disconnect pressure line (2) and return line (3) from power steering gear.

Installation:
Replace all sealing rings.

Align pressure and return lines by way of markings and tighten down banjo bolts.

Tightening torque 32 41 5AZ (pressure line).

Tightening torque 32 41 6AZ (return line).





Release nuts and remove screws (1) towards bottom.

Remove power steering gear with wiring harness sideways between engine and front axle carriers.

Installation:
When installing, make sure that the steering gear is realigned to the markings applied to the front axle support prior to removal.

Replace screws and nuts.

Tightening torque 32 00 1AZ.





After installation:
^ Fill and bleed hydraulic system
^ Check pipe connections for leaks
^ adjustment for active steering
^ If necessary, carry out initial Dynamic Drive operation

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