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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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 11, 2012 at 1:38 AM
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SATURNTECH9
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Is your temp blend door operating?Also is the compressor cycling?
Apr 11, 2012 at 1:40 AM
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COL32324
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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 11, 2012 at 1:49 AM
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SATURNTECH9
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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 11, 2012 at 3:36 AM