Air conditioner blows cold through some of the vents

2002 BUICK RENDEZVOUS
190,000 MILES • 3.4L • 6 CYL • 4WD • AUTOMATIC
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KRYSTOL ANDREWS
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  • 1 POST
My fan for air conditioner/heater only works on the high setting. Does not have dual climate control. When I have the air conditioner on it blows very cold on the passenger side through the vents, on the drivers side vents its just kind of cool, but not really. I noticed yesterday when I turned the fan to the first setting which again, does not work, it was lightly blowing out very cold air in all the vents. I just had my air conditioner charged and apparently there is not a stuck door anywhere. I just have no idea whats going on with it but it is hot out there! Thanks in advance!
Jun 23, 2016 at 1:51 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
The blower motor resister sounds like the problem. When they go bad, the fan will ONLY work on high.
Jun 23, 2016 at 8:46 PM
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