Refrigerant Pressure Sensor / Switch: Service and Repair

64 53 520 - Replacing safety pressure switch





Note:
A/C system is drawn off Drawing Off, Evacuating and Filling A/C System (R 134a).





Necessary preliminary tasks:
- W10 only: Remove battery container Removing and Installing/Replacing Battery Container
- W11 only: Remove suction filter housing





Unfasten plug connection (1) and disconnect.
Release safety pressure switch (2), tightening torque 64 53 4AZ [1][2]Hose/Line HVAC.