R-134A. It's the only commercially available refrigerant approved for use in automobile air conditioning systems.
R134
R 134
R134a
What type of freon does a 1993 cougar use
R134a
The Freon is added through the low side ac port. Using a gauge and the proper type Freon, fill the system to the recommended pressure. Too low or too high Freon pressure will result in the system not operating properly.
R134a
R-12
from the factory, r-12 retrofitted to r134a if you have ever had a recent refrigerant charge. r-12 was found to be enviornmentaly hazardous.
r134a
Would have been built for R12, can be converted to R134a.
134-A from the factory in mine.Easiest way to check is by looking at caps on schrader valve.R12 has smaller black caps, they're about the same size on your tire valve stem.R134 has huge caps, they can be in red, blue or black. They're about the size of a nickel.Source(s):http://www.wlpsr.com/dcconversionfit.jpg