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there are 2 ports on the air conditionig lines find low side (or condensor)

first start car ,then turn on a/c to max cool.remove cap on condensor(low side) connect refrigerent to be added by hose that fits and let run until full 30 minutes or longer

You can check by attaching gage to condensor port

Low side port on 1991 Le Baron is on the compressor. High side is near condenser, up front of car.

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15y ago

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