what will replace R 134 refrigerant
r134
R134
r134 a r134 a
R134
r134
r134
R134
R134
You would have to replace the orifice tube, accumulator or receiver-drier (which one you have depends on what type of AC system you have), as well as remove all of the R12 refrigerant, and you'd have to replace the compressor oil with PAG.
R134
r134
R134a