2003 Ford Mustang air conditioning

jeremy6642 · Posted at Sat Jun 28, 2008 4:03 pm

2003 Ford Mustang 6 cyl Two Wheel Drive Manual 100000 miles
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2003 Ford Mustang mileage: 100,000. My AC has had intermittent problems lately. I have the manual controlled system. System will work fine for 20 - 30 minutes on a hot day and then begin to blow warm/possibly outside air into the cabin. Turning off the AC for a short time (5 minutes or so) sometimes causes the problem to disappear and everything works fine again. And my temp gauge is very high. Any idea what could be going on? My mechanic has checked for low refrigerant and said the system was fine. Any help would be appreciated.

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BMRFIXIT · Posted at Sat Jun 28, 2008 5:51 pm

check the high pressure switch and coolant fan operation

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