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How do you know for sure that the A/C system has a proper charge of 134 refrigerant? If it does than see if you radiator cooling fan is working and that your engine is not overheating because this shuts off the A/C compressor or causes it to "cycle" on and off, thus pushing only hot or semi cool air out you A/C vents inside the passenger compartment. The A/C works in concert with your engine's cooling system and it (A/C system) also has a "High" and a "Low" pressure that will also cause your A/C cut out! Check to see if the cooling fan (radiator) is working and the temperature indicator in the dash board is not indicating "hot". If the radiator cooling shuts off while your A/C is on (which it should not) than you have engine cooling system problems. The system was designed to keep your A/C from adding heat to your engine's coolant when the engine's cooling system is not working as it should! Your welcome, you can email me at Rogfromsa@netscape.com

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Q: What would make the ac stop blowing cold air the ac is fully changed and the compressor is working I have a 1998 Ford Escort LX.?
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