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No Heat Problem

Discussion in 'Stock 1995 - 2001 Explorers' started by sirreal, January 12, 2012.

^^Searches ExplorerForum.com^^





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  1. sirreal

    sirreal New Member

    Joined:
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    City, State:
    Amarillo
    Year, Model & Trim Level:
    98 Explorer V8 EB
    1998 Ford Explorer EB V8
    No heat
    Heater Control Valve functions normally (in and out)
    Heater hoses are both warm to hot after truck warms up
    Heater core fluids pass through both directions (garden hose test)
    Fan rises and falls based on set temperature (cold vent, hot (cold) floor
    Vehicle temperature mid point when warmed up
    Everything seems to work fine but no warm air!

    Please tell me I've missed something and at the same time, please tell me its not the dreaded blend door problem! BTW, how can I test the blend door condition?

    Ideas and thoughts appreciated!
     
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  3. windsors03cobra

    windsors03cobra Active Member

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    City, State:
    Racine WI
    Year, Model & Trim Level:
    99 5.0 AWD EB
    Sounds like you got the problem right to me. sigh.
     
  4. yavapaires

    yavapaires Active Member

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    City, State:
    Dewey, Az
    Year, Model & Trim Level:
    1996 XLT
    Yep, I just didn'want to be first to say it.
     
  5. DaExplorer

    DaExplorer Elite Explorer

    Joined:
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    City, State:
    San Diego Ca / Big Bear Ca
    Year, Model & Trim Level:
    97 XLT SOHC 4x4
    I agree that it is most likely the blend door. It wasn't that hard to do, just scared to cut into the bottom.
    Link below was great, however don't know what happended to the wonderful photos that Magicland did.

    To test the actuator, you need to remove glove box to access the top where the acutator is. Mine (97) had three screws and the rear one is a real &@#!* to get to. I understand the newer ones snap in place.

    www.explorerforum.com/forums/showthread.php?t=214332
     
  6. Stefanlg55

    Stefanlg55 Member

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    City, State:
    Middleborough, Ma
    Year, Model & Trim Level:
    2000 Explorer Police Pack
    Sounds like the blend door, but another problem could be the amount of coolent flow threw the heater core. Within the lower tube there is a filter that slides in. If that is partially clogged it can limited the amount of flow causing the heater core to not come to full tempurture.
     

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