Dominate Your A/C Eliminate Warm Air Blowing

Flushing thru the expansion valve is bad - so only flush thru the valve you're about to replace anyway. ... Once flushed, blown out and given time ... Are the radiator fans functioning properly? Are the A/C condenser fins clean? The car was blowing good cold air for about 2 weeks then one day out of no where it cut out and has been blowing nothing but hot air. Any thoughts on this or ... The blend air door could be jammed which would flow cooled air over the heater core before it blows out the vents. One fairly easy test of this ... Your A/C blows warm air. A large restriction of refrigerant will also result in your A/C blowing warm air. Contrary to what you might think ... It sounds like you have an electrical issue - or something mechanical about the compressor (clutch?) that works intermittently. Why an AC Might Blow Warm Air · The Compressor Is Shot · There Is a Refrigerant Leak · There Is a Large Leak in Your Ducts · Keep Learning · What ... I went on a road trip this summer and when I arrived in bishop, ca my AC was blowing hot air and it was over 100 degrees. on the way home ... The A/C will be blowing cold air just fine, then all of a sudden it starts blowing warm air. What I haven't determined yet, is if it starts blowing warm air ... Your AC blowing warm air could be due to a refrigerant leak. We explained how the refrigerant, when put under pressure, gets hotter.