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A 1999 Jeep uses R134a.
R134a
r134a
134A
R134a
A 1999 Jeep uses R134a.
That is a 4L60E
In the early to mid 90's all manufacturers were forced to convert to 134A
134A refrigerant which can be purchased at WalMart or any Parts house.
R 134
R134a refrigerant.
A 2005 model year vehicle would use R134a refrigerant.