34 51 527 Removing And Installing/Replacing Hydraulic Unit For DSC (From 08/2010)

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

Necessary preliminary tasks:

After completing the repair work, BLEED BRAKE SYSTEM .

Press clutch 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 escaping from the expansion tank and air from entering the system after the brake lines have been disconnected.

Fig 1: Locating Pedal Prop

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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:

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:

Tightening torque 34 51 2AZ

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

Fig 4: Identifying Hydraulic Unit And Screw

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Installation:

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

Fig 5: Identifying Rubber Mounts

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Adjustment of steering angle sensor

Mix-up check of brake lines

Function check, hydraulic unit

Replacement: