2003 Nissan Altima Blows warm air.

173,000 MILES • 6 CYL • FWD • AUTOMATIC
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BEAMISH
  • MEMBER
  • 1 POST
I have a problem with my air conditioner that it seems like when it's hot ouside my air conditioner does not work, it blows hot air. I also seem to have a similiar problem in the winter that it will not blow hot air when it is cold outside. At one time I thought I fixed the heater by filling the rad up but I'm not so sure. Now I have a problem in summer as well. I checked the pressure and it was within range (30lbs I think) I checked the belt tension and that seems to be adequate and the compressor is engaging and turning but it still blows warm air. Any ideas
Jun 30, 2008 at 10:11 AM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
Suspect blend door


if the AC lines low side cold to the touch

check blend door operation
Jul 6, 2008 at 2:48 PM
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