300D A/C Problem

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300D A/C Problem

07-05-2001, 10:15 PM

Brrrrs

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Help! my 300D AC is acting crazy. it is 100 degrees outside and I am running my AC is running fine, then all of the sudden, the vents start blowing HOT air!! The compressor is running but the heater valve is allowing hot water to go to the heater coil. I checked the voltage to the valve and it was 6 volts. I jumped 12 volts to the valve, it closed, and the AC blew cold again. Does anyone know what the problem is???? Please help. DB

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