2002 Ford Expedition vents stopped blowing. How may I fix this?

I think it may have something to do with the module or maybe even the gaskets but I'm not sure. If you know that the problems is how hard will it be for me to fix it as a novice.
Edition: Eddie Bauer
Motor: 4.6 Liter
Year:2002
Model: Expedition

I believe you have electric servos(diverters that operate blend doors/ direction in the heat/ac box) it could be a bad temp control unit, or a bad servo, or even a broken door inside the airbox. Start googling. Todays air systems can get super complicated, seriously.
your servos are easily replaced, like 2 7 mm bolts and a good tug and they pop off i think. Then when you change the selector, you should see them move. If they don't, …

Check your fuses

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