2002 Ford Expedition heater blows hot on floor mode only?

roedlroedl Member Posts: 4
edited August 2014 in Ford

I have a 2002 Ford Expedition and the heater will only blow hot on floor mode any other mode def/floor, panel/floor, it just blows cool air. My mechanic is stumped so any suggestions would be greatly appreciated. Thanks

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Answers

  • steverstever Guest Posts: 52,454

    Sounds like one of those blend door kind of issues.

  • roedlroedl Member Posts: 4
    That's what we were thinking but usually the ac side blows hot if it was the actuator door
  • steverstever Guest Posts: 52,454

    No clicking sound either eh? Sounds like there may be two doors, fwiw.

    Anyone?

  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481

    has anyone done a "deep scan" for trouble codes in the HVAC?

  • roedlroedl Member Posts: 4
    No scan yet but will be getting one. No clicking sound either that I'm aware of
  • alwaysfords2alwaysfords2 Member Posts: 339

    There are three blend doors in an Expedition - one in the front and two in the back. The clicking is associated with a broken blend door actuator in the rear units, the blend door itself is actually fine. The front blend door doesn't make any noise when it fails it just doesn't allow you to change temp and can flap back and forth by itself. The failure in the front one is the axle the door swings on. That said, this doesn't sound like a typical blend door issue because with a typical issue you don't have varied temperature by outlets, you have no control over temperature in any outlets. I'd guess there are multiple things going on here. Did everything work fine before this started?

  • roedlroedl Member Posts: 4
    Yes everything worked great, this was just a sudden thing.
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