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.