I have a 2001 pontiac grand prix, and I was wondering if anyone knows what can make the ac quit coming out the vents and start just coming out the defroster and floor ducts??? It was working excellent up til about 3days ago...
It sounds like you just have the wrong setting on the dial. Did you recently use the defroster heat? The vent selection dial to the right of the AC on/off button should be turned to the vent selection on the left.
When you switch to the vent setting does cold air still come out of the defrost and floor ducts or does it blow air out the vents that is not cooled?
If this isn't working then test to see if your heat works on the vents. Are the fans blowing hot air out the vents? You should play around with the various settings and take note of what is happening.
Should be easy or cheap to fix.
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