Join Date: Aug 2007
Location: Staunton, VA - USA
There is nothing at all special about the "working guts" of the air conditioning system that get replaced for a R-12 to R-134a conversion.
If you take the car to an air-conditioning specialist you trust they will replace the flex hoses, completely evacuate the compressor and pipes, replace the receiver-dryer, and then charge the system with the new refrigerant and compatible oil.
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth. ~ Niels Bohr