Bleeding The Hydraulic Unit
WARNING: This page is about a different variant/trim than selected.
If the hydraulic unit was replaced, it must be bled using the PIWIS Tester .
This procedure removes any air from the hydraulic unit (in the secondary brake circuit).
PIWIS Tester must be connected in the vehicle.
- Select >>PSM<< in the control unit overview.
- Select >>Bleed brakes<< under Maintenance/repairs.
Follow the instructions on the PIWIS Tester .