Have A 2003 Pontiac Montana, only cool air is coming thru all vents, AC is not ON and control is in heater mode. I did a flush but no go. What can I do to get hot air?

Asked by Nov 08, 2013 at 04:45 PM about the 2003 Pontiac Montana Value Extended

Question type: Maintenance & Repair

Have A 2003 Pontiac Montana, only cool air is coming thru all vents, AC is not ON and control is in heater mode. I did a flush but no go. What can I do to get hot air?

3 Answers

...okay is this a control diverter flap problem...a FAN problem or an a/c compressor problem...let's narrow it down a bit, please~?

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heat/ac stays on after key is turn off

heat / ac controls stay on after key is turn off

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