Must be something amiss. My 2017 Freedom Elite also is on an E450 chassis and has shown no such problems in 7500 miles including 4000 out through New Mexico and Arizona earlier in the summer. My wife would certainly let me know if she was uncomfortable and she hasn't said a word. And I've not noticed anything toasty when she has driven. I think I'd take some temperature readings with an infrared thermometer and then go show them to a Ford service manager.
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