Refrigerant Pressure Sensor / Switch: Service and Repair

64 53 520 Replacing Safety Pressure Switch







WARNING:
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling R 134a refrigerant.
Follow safety instructions for handling refrigerant oil.







IMPORTANT:
Risk of damage.
Restart engine only when A/C system has been correctly filled.

If A/C system is opened for more than 24 hours:Replacing drier insert for A/C system







Necessary preliminary tasks:
- Drawing off, evacuating and filling the A/C system are not included in the time value given for this work operation







Disconnect plug connection (1).
Unscrew safety pressure switch (2).
Tightening torque 64 53 4AZ.







After installation:
- Evacuate and fill A/C system