Brake Fluid Pump: Service and Repair

Note: Bleed the brake system after completing the work.

Remove left microfilter for interior ventilation, refer to Heating and Air Conditioning.
Remove intake muffler.





Draw brake fluid out of expansion tank To do so, use a suction bottle which may only come into contact with brake fluid.





Unfasten plug connection (1) and disconnect.
Detach lines; do not mix lines up, mark if necessary. (HZ) from charging pump to THZ (BA) from expansion tank to charging pump

Installation:
Observe Tightening torque, refer to Brakes, Specifications.





Unscrew bolts (1).
Unfasten nut (2).
Remove charging pump (3) with mounting.





Unlock plug (1) and remove from retainer.
Unfasten screws (2).
Remove charging pump from mounting (3).