12 Mar Re-Charging AC Systems with R134a, Uncategorized R-12 or 134a: Know the Refrigerant Contents of Your Classic Car’s AC SystemOctober 14, 2022 Posted by Rob Converting from R12 to R134a Refrigerant, R-12, R134a Refrigerant 3 comments We sometimes receive questions from owners wondering what type of refrigerant is in their air conditioning system. Cars manufactured prior to 1995 originally came with R-12 Freon, a refrigerant that was discontinued due potential...Read more FacebookTwitterPinterestLinkedInTelegram