Question about 1998 Ford Explorer

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Blend Door on 98 Ford Explorer

Replaced the heater core and now only blows luke warm, what is the possiblility the blend door got stuck when putting back together? How do I find this?

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  • engine1385 Jan 16, 2009

    Where is the blend door in the dash? Middle? Glove box? what am I looking for?

  • yadayada
    yadayada May 11, 2010

    U will need to pull the dash off and check the blend for sticking, if it is ok replace the blend door actuator motor.

  • yadayada
    yadayada May 25, 2013

    Did you bled the air out of the cooling system?

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The blend door is roughly in the middle of air distribution Plenum assembly between the heater core and the AC evap core, it either directs air through the heater core or the AC evap core or mixes air from both.

Posted on Jan 16, 2009

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My heater only blows cold air-'98 ford explorer


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That is usually the first symptom of low coolant. Not enough water in the system to circulate through the heater core. Has it been running hot?

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Heater


Likely it has more to do with the door that controlls the airflow. Which should be operated by vacum might check and make sure all thevacum lines are plugged in.

Does the gauge in the car show it warms up?

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