whats wrong with my car it blows nothing but heat trying to get air fixed on 2002 Kia Optima

when I turn on thr air it blows nothing but heat why

by in Harrisburg, PA on December 04, 2013
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1 answer
ANSWER by , December 04, 2013
. could have a bad blend door actuator or the blend door itself is broken.does the compressor come on when you turn ac on