General Information

WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed.
Different connections (outer diameter) for high pressure and low pressure side.
Discharge the refrigerant circuit before removing valves or valve inserts.
Always screw on sealing caps.

Allocation in the vehicle. Refer to Refrigerant Circuit (vehicle-specific Service Information).

WARNING:

There is a danger of ice-up.

Refrigerant will leak out if refrigerant circuit is not discharged.

Refrigerant must be extracted before opening refrigerant circuit. If refrigerant circuit is not opened within 10 minutes of extraction, pressure may form in refrigerant circuit due to evaporation. Extract the refrigerant once more.