34 51 527 Removing and installing/replacing hydraulic unit for DSC (until 07/2010)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

After completing tasks, BLEED BRAKE SYSTEM .

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

NOTE: The pedal support may only be released when the brake lines are reconnected.

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

Fig 1: Locating Pedal Support

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Remove line holder (1) from bulkhead.

Disconnect plug connection (2).

IMPORTANT: Do not mix up brake lines and if necessary mark prior to removal.
Close off connection bores with plugs.
Brake lines must not be bent.

Unfasten brake lines (3).

Installation note:

Tightening torque 34 32 1AZ

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

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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 3: Identifying Hydraulic Unit And Screw

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Installation note:

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

Fig 4: Identifying Rubber Mounts

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Adjustment of steering angle sensor

Brake line mix-up test:

Function check, hydraulic unit

Replacement: