Ac all of a sudden blows hot...compressor on, belts turning

2000 NISSAN SENTRA
80,000 MILES
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COL32324
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  • 2 POSTS
All of a sudden the ac is blowing hot...was cold this morning and now only blows hot. Belts good, compressor kicks on. Help!
Apr 10, 2012 at 6:38 PM
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SATURNTECH9
  • Experienced Mechanic
  • 30,869 POSTS
Is your temp blend door operating?Also is the compressor cycling?
Apr 10, 2012 at 6:40 PM
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COL32324
  • MEMBER
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It appears to be cycling and the blend knob is all of a sudden difficult to turn. It was all the way to warm this morning and back but now will only move half way
Apr 10, 2012 at 6:49 PM
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SATURNTECH9
  • Experienced Mechanic
  • 30,869 POSTS
Is your ac condensor fan operating?Sounds like you have two issues the blend door is binding and your a/c compressor is cycling.
Apr 10, 2012 at 8:36 PM
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