32 13 061 Replacing hydraulic steering gear

Necessary preliminary tasks: 

• Draw off and dispose of hydraulic fluid from oil reservoir
• Remove front underbody protection
• Remove REINFORCEMENT PLATE
• Remove COVER FOR STEERING ASSEMBLIES on left and right
• Remove ANTI-ROLL BAR at front axle support
• Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING 
• Remove TRACK ROD END AT BOTH ENDS OF TRACK ROD 

Release screw (1) from vehicle underbody direction.

Tightening torque 32 31 2AZ .

Installation note: 

Replace screw

Detach steering shaft lower section.

Fig 1: Identifying Steering Shaft Screw

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Release screw (1).

Tightening torque 32 41 5AZ .

Remove line (3) and (2) from hydraulic steering gear.

Installation note: 

Replace sealing rings.

Fig 2: Identifying Hydraulic Steering Gear Line And Screw

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Loosen screws (1) and set line aside.

Tightening torque 32 41 7AZ .

Release screws (2) and remove hydraulic steering gear to the bottom.

Installation note: 

Replace screws.

Tightening torque 32 00 1AZ .

Fig 3: Identifying Hydraulic Steering Gear Screws

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After installation: 

• Fill and bleed HYDRAULIC SYSTEM 
• Check line connections for leak tightness
• Perform CHASSIS/WHEEL ALIGNMENT CHECK 

Necessary preliminary work: 

• Draw off and dispose of hydraulic fluid from oil reservoir
• Lower front axle
• Remove front anti-roll bar  . See 31 35 000 REMOVING AND INSTALLING/REPLACING FRONT ANTI-ROLL BAR or 37 11 010 REMOVING AND INSTALLING/REPLACING FRONT ACTIVE ANTI-ROLL BAR .
• Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING 
• Remove TRACK ROD END AT BOTH ENDS OF TRACK ROD 

Release screw (1).

Remove lines (2) and (3).

Installation note: 

Replace O-ring

Tightening torque 32 41 5AZ .

Fig 1: Identifying Power Steering Gear Lines And Screw

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Release block screw connection (1).

Release line clip (2) and remove line to steering box.

Tightening torque 32 41 11AZ .

Fig 2: Identifying Line Holder And Block Screw Connection

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Undo screw connection (1) (only vehicles with Dynamic Drive)

Tightening torque 37 13 5AZ .

Release line holders (2) and (4).

Tightening torque 32 41 7AZ .

Remove holder (3) from front axle support

Tightening torque 32 41 12AZ .

Fig 3: Identifying Screw Connection, Line Holders And Front Axle Carrier Bracket

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Remove hydraulic line!

Detach plug (1) from EH converter.

Fig 4: Identifying EH Converter Plug

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Release screws (1).

Carefully press wiring (2) upwards (only vehicles with Dynamic Drive)

Remove hydraulic steering gear in downward direction.

Installation note: 

Replace screws.

Tightening torque 32 00 1AZ .

Fig 5: Identifying Push Line And Screws

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After installation: 

• Fill and bleed hydraulic system  . See 32 13 006 BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE)  or 32 13 006 BLEEDING POWER STEERING UNIT .
• Check pipe connections for leaks
• Perform CHASSIS/WHEEL ALIGNMENT 
• If necessary, carry out INITIAL OPERATION FOR DYNAMIC DRIVE