34 51 527 Removing and Installing/Replacing DSC Hydraulic Unit

34 51 527 Removing And Installing/Replacing Hydraulic Unit For DSC (Until 07/2010)







Necessary preliminary tasks:
- Remove air filter.
- Vehicles with N47 engine: Remove right charge-air duct.
- 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.

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.







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 connecting bores with seal plugs.
Brake lines must not be bent.

Unfasten brake lines (3).

Installation note:
Tightening torque 34 32 1AZ.







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.







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







Adjustment of steering angle sensor
Brake line mix-up test:
Function check, hydraulic unit

Replacement:
Carry out programming/encoding