A professional retrofit by a repair shop can cost hundreds of dollars,. There is NO reason to retrofit a vehicle to R-134a as long as the R-12 system is cooling .
Anyway, it seems if you can retrofit and replace R12 with R134a, then the. But if there's a leak in the system, R12 (Freon for people that don't .
R-134a vs R-12.. Or replace the he compressor and related parts. This might not be. R12 and R134a refrigerants require different lubricating oils. The oils are .