Mechanics

AIR CONDITIONER SUDDENLY GOES FROM WARM TO COLD

1997 Ford Futura • 140,000 miles

After travelling for at least 80 km with the a/c on warm it suddenly produces cold air and cannot be made warm again however hard I try. After cold start next day it is ok until problem reoccurs at about same distance.
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Bmj
September 26, 2011.



If the setting is on A/C, that is producing cold air even if the heat setting is set all the way warm.
Any setting except A/C will get the heater to work.