A 1999 Jeep uses R134a.
R134a
R134a
R134a refrigerant.
r 134
Disposable refrigerant containers are only used for virgin refrigerant.
A 1999 Chevy Lumina 3.1 uses standard R-134a refrigerant. It has been used nearly exclusive in automobiles since R-12 was phased out in 1995.
134-A
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R-134
coralicigal
Your condensor outside , where the compressor is . should have an information plate showing the type of refrigerant used