The air flow slide on my '85 RX7 won't move from blowing air at my feet. It won't change positions to flow to the windshield or through the vents. The fan works fine, as does the temp control. It just won't change the airflow.
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Re: Air flow problem
You'll need to remove the parts of the consul that give access to the unit and then inspect the operating levers, cables and the ducting vent baffles....The problem will be there...make sure that nothing has fallen into the operating units....Check and see where and whats stuck....Just observation and patients
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there is a paddle inside the sysem which moves to change the direction of the heat, i could be jammed or its actuator is broken or not getting pwer. if not it could be your switch is not working so the sigal to change position is not be received. first check all fuses are ok.
your blend door motor IS your defroster problem , as it is needed to direct heat mixed with the ac to properly defrost the windshield . if when you change your blend door motor and the problem still exsist , then youy have a defective blend door package , meaning one of the doors are faulty , which could get very expensive to repair , good luck !!!
Common question on this site. On late model cars, the vents are controlled by blend door motors. Small electric motors open and close doors to direct air flow. Chances are you have a blend door that is stuck or a failed motor. The default position is the defrost to make sure the windshield is always clear. Someone will need to look behind the dash to see if all of the doors will move on demand.
The air flow is controlled by an actuator behind the dash. The part is sometimes called the heater control box. When you are selecting the air flow to change from the a/c controller. The signal is not being received to the actuator. The actuator is called the blend door.
You need to have the air /blend door actuator change. I think in this car is the air recirculation door. Same thing different name .