134a is the refrigerent used
R134a
In a 1997 Ford Aerostar : Refrigerant 134a is used
R134a
Was built for R12, should be converted to R134a
R-134a
R-134
dexron/mercon
freon for 1999 ford explorer =========================== r134a ( Helpfull )
According to the 1997 Ford F-150 owners manual : It would have come with green colored antifreeze from the factory ( meeting Ford specification ESE-M97B44-A )
Freon is R12. Your 1997 Chevy uses R134 Refrigerant.
R134a
134A FREON IS USED.