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Ford Explorer: HVAC problem with "vent"

  1. #1
    Chris
    Guest

    HVAC problem with "vent"

    When I put the HVAC control to vent and the temp to cool I get hot
    air. Going from hot to cool has no affect, I only get hot heater air
    out the top vent's. AC modes I get cold. Heat modes, hot air. While in
    vent mode I hear a clicking behind the glove box area when I turn the
    temp control but no cool air comes in and it's 45 degrees outside! Is
    this the "blend door" issue or something else?

  2. #2
    Vic
    Guest

    Re: HVAC problem with "vent"

    Sounds like the blend door problem. In MAX AC there is a valve that
    shuts off water to the heater core, so you won't get the heat in that
    mode. If you drop the glove box door and look on the top of the heater
    plenum you can see the actuator for the blend door. I suspect you'll see
    it turning as you move the heat control and the clicking is the rubbing
    of broken pieces of the shaft. One posting had a reference article that
    had a way to get at this from under the hood by trimming the replacement
    part a little. Might be worth showing to a mechanic as otherwise this is
    aan all-day job pulling the dash to get at the plenum. Prices range from
    $450 to $1200 for the repair, so shop around.

    =Vic=
    Bear Gap, PA

    Chris wrote: 

  3. #3
    DonnyBoy
    Guest

    Re: HVAC problem with "vent"

    Vic, would you have the reference to the article that tells howe to change
    this device without pulling the dashboard. I need to have this done and was
    given a price of $700 for the job. I don't want it done that bad.


    "Vic Klein" <net> wrote in message
    news:net... 




  4. #4
    Vic
    Guest

    Re: HVAC problem with "vent"

    No, I don't off hand, but it was a post here within the last 6 months or
    so. Try a Google Groups search on "blend door" and see if it shows up.
    It was referenced by a poster and the link was included in the message.

    =Vic=
    Bear Gap, PA

    DonnyBoy wrote: 

  5. #5
    Vic
    Guest

    Re: HVAC problem with "vent"

    I just happened to run across the reference. Here it is:
    http://www.proacshops.com/accum-March-April%2020011.pdf

    Good Luck!

    =Vic=
    Bear Gap, PA

    DonnyBoy wrote: 


 

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