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There are several possible reasons why your blower, vent, defrost, AC, and heater might stop blowing air:
1. Blower Motor Failure: The blower motor is responsible for blowing the air through the vents. If the blower motor fails, you will not get any airflow from the vents. 2. Blower Motor Resistor Failure: The blower motor resistor controls the speed of the blower motor. If the resistor fails, the blower motor may stop working or only work at one speed. 3. Fuse or Relay Failure: A blown fuse or faulty relay in the blower motor circuit can prevent the blower motor from working. 4. Control Module Failure: The HVAC (heating, ventilation, and air conditioning) control module is responsible for controlling the blower motor and other components. If the control module fails, it can prevent the blower motor from working. 5. Vacuum Leak: If your vehicle uses a vacuum system to control the vents, a vacuum leak can prevent the system from working properly. 6. Broken Blend Door: The blend door controls the direction of the airflow. If the blend door breaks or gets stuck, the air may not flow through the correct vents. 7. Wiring or Connector Issues: Faulty wiring or connectors in the blower motor circuit can prevent the blower motor from working.
There is a resistor that goes out on the odyssey and pilots for the blower motor. Does it blow on full speed? Is it both front and back that don't work?
If very little air comes from the vents, the fan on the blower motor may be damaged, or there may be a restriction in the vents, or a blend door may not be open completely.
Yes. It could be your motor. If there is voltage or your hear the motor running then it could be a vent door not working. There is also the switch and a blower motor resistor that you can check. Hope this helps.
Need to check to see if the blower motor is running.If it is,but not threw the vents,most likely a vent door actuator motor.The actuator motor in this case would be bad,it is hard to get to,unless you are mechanically inclined,You can do it your self.If the blower motor is bad,just replace it.Check fuses first,and the blower relay.If I can help,let me know.
replace the blower motor resistor located on the passenger side were your toes point there are two 9mm screws you will need a universal joint socket to remove the back screw drop down the resistor and remove the red saftey clip and press together the two black pieces together and pull apart. If the problems happens again you will have to replace the resistor again and also replace the blower motor because the blower moter is woren and drawing to many amps. The blower has three 9mm screw and one wire harness. I purchased all my parts thru Rockauto .com
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