It should be R12 Freon unless it was retrofitted to the new freon R134A
since you haven't been able to buy R12 for several years it has probably been retrofitted. If not you can buy the kit at any parts store. it's mainly just a different type of fitting. The ones in the kit just screw onto the old ones.
R134a
R-134a
It will depend on the make, model and year of the refrigerator that you are working on........
It was built for R12, can be retrofitted to R134a
It was built with r12, it can be retrofitted to R134a.
What model of car/truck is it? I'm really tempted to just answer "a Hemi," but I'll see if you'll respond first.
Would have been built for R12, can be converted to R134a.
Would have been built for R12, can be converted to R134a.
Was built for R12, should be converted to R134a
Any automotive AC system for the 1999 model year - whether in a car, heavy duty truck, or piece of machinery - will use R134a, the same as every car from 1994 and later.
A 2002 model year vehicle will use R134a refrigerant.
A 1999 model year vehicle will use R134a refrigerant.