Electronic Brake Control Module: Service and Repair

34 33 330 Removing and installing/replacing SBA control unit





Warning!
High-voltage system - danger to life!





Warning!
Compliance with the following points is mandatory before beginning work:
^ Observe safety instructions for handling with hybrid vehicles





Necessary preliminary tasks:
^ Read and comply with General Information.

^ Remove left microfilter housing cover
^ Extract brake fluid

Note:
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 completing work:
^ Bleed braking system





Important!
Do not mix up brake lines.
If necessary, mark before removal.
Brake lines must not be bent.
Close off connection bores with plugs.





Disconnect plug connection (1).

Unfasten brake lines (2).

Tightening torque 34 32 1AZ.

Release screws (3).

Tightening torque 34 51 6AZ.

Remove control unit (SBA) with holder.