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Why does heat stay on even when thermostat turned to cold (AC off). on 2006 Chrysler 300

About a month ago I started to hear a clicking sound from under the dash when turning on the AC. I had to play with the zone, fan speed, etc to get it to stop. Now the clicking sound is gone but the heat never goes off unless I turn the AC on. With no AC on and the thermostat turned completely to blue the heat still comes out.

Asked by for the 2006 Chrysler 300
You have a bad blend door actuator. It also could be a bad climate control head.
1 more answer
blend door actuator went bad thats what the clicking noise was
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