Refrigerant Circuit, Converting R12 To R134A
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.
CFC refrigerants are no longer used in the automotive industry.
Converting refrigerant circuits from R12 refrigerant to R134a refrigerant and servicing converted circuits
Refer to Service Information: Air Conditioner with Refrigerant R12 Parts 2 and 3 (This Service Information is only available in printed form).