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Old 12-01-2013, 01:07 PM
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Question Suggestions hvac

September A/C working fine blend doors fine,the blower motor stopped. I took it to the dealer, got it back blower works, but no air coming from any duct, dealer send it was blend doors. I removed hvac replaced blend doors,recirc door,all actuators,htr core and the evaporator. the only thing visibly bad was the evaporator. Put it back together it is the same,blower motor goes,but nothing comes out.I'm still getting.codes17,18,52,54,56. I don't know if they are valid or need to be reset. either way after replacing everything I still don't have anything coming out anywhere
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Old 12-02-2013, 03:39 AM
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Re: Suggestions hvac

The stealer most probably changed the blower motor controller and swapped two wires, which makes the blower run in opposite direction and almost no air from the ducts. Unbelievable that they told you blend doors as the culprit of no air. Blend doors only cause heating and/or cooling problems, but no airflow problems. A broken recirculation door could cause no airflow as well. You can see this door when removing the blower motor.
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