It came with R12 Freon. As R12 is cost prohibitive, have the unit converted to R134a refrigerant or a similar substitute.
R134a
Originally R-12 - should be converted to R134A
1993 and before it is R-12, 1994 and later its R-134a
1993 and before it is R-12, 1994 and later its R-134a
A 1994 Buick Regal Custom uses 134a refrigerant, not freon.
The 1997 Buick Skylark uses R-134a refrigerant for its air conditioning system. This refrigerant replaced the older R-12 (Freon) due to environmental regulations and is suitable for vehicles manufactured during that time. When servicing the AC system, it's important to ensure the proper refrigerant type is used for optimal performance.
R134a
R-134a
Gool ol' Dexron.
What type of freon does a 1993 cougar use
Either a 2.3/2.5 4cylinder or a 3.0 V6
5w30 Your brand. Most are all the same