34 51 527 Removing and installing/replacing hydraulic unit for DSC

Necessary preliminary work: 

• Remove air filter. See REMOVING INTAKE SILENCER HOUSING (N16) or REMOVING INTAKE SILENCER HOUSING (N14, N18) .
• Read and comply with GENERAL INFORMATION .

After completing the repair work, BLEED BRAKE SYSTEM .

Press brake pedal down to floor and secure with pedal support.

This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.

Fig 1: Securing Brake Pedal With Pedal Support

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Remove line holder (1) from bulkhead.

Disconnect plug connection (2).

Unfasten brake lines (3).

Installation note: 

Tightening torque 34 32 1AZ .

Fig 2: Identifying Line Holder, Plug Connection And Brake Lines

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Raise vehicle.

Release screws (1) from below.

Installation note: 

Tightening torque 34 51 2AZ .

Fig 3: Identifying Screws

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Release screw (1).

The clutch hydraulic line can be easily pressed to one side by release the holder.

Release screw (2).

Installation note: 

Tightening torque 34 51 2AZ .

First raise hydraulic unit (3) a little and then swing out.

Fig 4: Identifying Hydraulic Unit And Screws

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Installation note: 

Make sure rubber mounts (1) are correctly fitted in bores.

Fig 5: Identifying Rubber Mounts

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Adjustment of steering angle sensor

Brake line mix-up test:

Function check, hydraulic unit

Replacement: 

• Carry out PROGRAMMING/ENCODING