Question about Ford F-150
The air is distributed from the heater/ac evaporator box to the vents with the help of some pipes.These pipes are opened and closed by flaps, that are controlled either by the environmental control unit - the AC controller in a digital model, or a rotary control button. The air goes where it's not supposed to because there's a fault in the system:either the controller of the flap is defective or it's badly commanded by the ac unit/ button.
First of all you need to have the error codes read. If none are present the you will have ta remove the center console and check if the controller is doing its job: the button moves the wire or the ac controller sends the power to the solenoid on th flap.
Finally you will have th check that the solenoid (or the cable attached to the flap) is doing its job.
Posted on Sep 15, 2010
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Posted on Jan 02, 2017
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