But then again, true old american land yachts had 5-6 lbs of freon, so 5 lbs of 134a can still generate a hell of a lot of cold air.
The year was 1993. According to this article R12 was banned in 1994.
Remember the UV dye mentioned earlier? Safety Gear. So as your shop prepares to service cars with R1234yf, make sure the equipment list includes at least one refrigerant identifier and a recovery-only machine. Handling and storage require a bit more caution, too.
Hint, check with Daimler!
Then its 134a. Some of these desiccants are not compatible with R-134a and receiver-driers will be marked for use with either R-12 or R-134a. New R12 is no longer being manufactured. Before R1234yf, there were two major types of air conditioning refrigerant in North America: BigGuynRusty Date: Electrical Testers. For instance the 1994 Ford Ranger specs say that 7 oz of oil is needed for the entire system.
R-134a came about as a replacement refrigerant for the R-12 Refrigerant that was being phased out due to the Chlorine that it contained. Electric Drills.
Originally Posted by White94RX.