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AC and Defroster
1999 Pontiac Grand Prix

AC and Defroster

(1999 Pontiac Grand Prix)
My AC is blowing warm air and my defroster cold...are these tied together or do I have 2 different issues
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Popular Answer
on September 24, 2009
Sounds like they are related. If the defroster is blowing cold air, then the A/C is working, but the blend air door that directs air through the heater core and the A/C evaporator may be acting up. I bet when you get the one problem fixed, both will be resolved!
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General Diagnosis
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on September 24, 2009
Sounds like they are related. If the defroster is blowing cold air, then the A/C is working, but the blend air door that directs air through the heater core and the A/C evaporator may be acting up. I bet when you get the one problem fixed, both will be resolved!
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