Freon goes into the low side ac port. There is also a high side port, but they are different sizes to prevent mixing them up.
R134a
R134
Look for the sticker under the hood! It will tell you the refrigerant and the ounces.
A 1998 Ford Windstar would use refrigerant 134a
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R134a freon......
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Your 95 Saturn takes R134a refrigerant (freon is a trademark exclusive to DuPont brand).
1993-95 for most.
R134a WHERE ARE THE HIGH AND LOWE FREON VALVES LOCATED
R-134A
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