34 51 527 Removing and installing/replacing DSC hydraulic unit
High voltage system - danger to life!
The following points must be strictly adhered to before starting work:
- Observe SAFETY INSTRUCTIONS for handling hybrid vehicles
Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION
- Extract brake fluid
Extract brake fluid out of expansion tank. Use a suction bottle used exclusively for drawing off brake fluid.
Do not reuse drawn out brake fluid.
After completion of the work:
Warning
Do not mix up the brake lines.
If necessary, mark before removal.
Brake lines must not be bent.
Close off connecting bores with seal plugs.
Disconnect plug connection (1).
Unfasten brake lines (2).
Tightening torque: 34 32 1AZ .
If necessary, release brake lines from holder on bulkhead.
Release screw (3).
Tightening torque: 34 51 6AZ .
Pull hydraulic control unit with holder out of guide pins (4) and remove.
When replacing the hydraulic unit:
Release screws (1) and convert holder (2).
Installation NOTE:
Tightening torque: 34 51 5AZ .
When replacing the hydraulic unit:
- Carry out PROGRAMMING/ENCODING .
- Carry out STEERING ANGLE SENSOR ADJUSTMENT
- Brake line interchange check:
- Function check of hydraulic control unit