General Information
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
The refrigerant R134a remains chemically stable up to a gas pressure of 39.5 bar (573 psi) (absolute pressure of 40.56 bar (588 psi), which corresponds to a temperature of 101 °C (214 °F)). Above this temperature, the refrigerant decomposes. Refer to COMBUSTIBILITY .