Refrigerant Circuit, Converting R12 To R134A
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. 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 Repair Information: Air Conditioner with Refrigerant R12 Parts 2 and 3 (This repair information is only available in printed form).