Anything 1995 and newer uses R134a refrigerant.
R134a
R134a
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R134a
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The 2002 ford Ranger uses type R134 Freon. The Freon is added in the low pressure port of the ac system.
R134 Refrigrant
r-134
The type of freon for the 2002 Saturn l200 is R134a. The freon should only be added when the a/c system is not working properly because the system is sealed where freon should not be needed.