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06 Explorer 4.0 xlt Heating Problem

Discussion in 'Stock 2006 -2010 Explorers' started by will olive, March 5, 2018.

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    1. will olive

      will olive New Member

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      I have a 06 explorer 4.0 v6 in the morning i leave my car to warm up and when i get in it, its blowing cold air. Once its warm, and im driving, it'll blow hot air for a bit and then dies out and blows cold air. When i turn off the blower and turn it back on it does the same thing (blows out hot air for a bit and then gets cold). PLEASSSEEE HEELLLPP MEEEE!
       
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    3. Beachcomber86

      Beachcomber86 Active Member

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      Probably the blend door actuator. Do you hear a clicking sound when you change the temperature dial from hot to cold?
       
    4. michael loibl

      michael loibl Active Member

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    5. D Hook

      D Hook Elite Explorer

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      Michael most likely has it right. I would check that first.
       
    6. will olive

      will olive New Member

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      thank for replying guys, but i put coolant every morning (just takes a little bit) and it still the same issue. i even changed the temperture sensor switch and the heater/ac door actuator.
      Can it be that the thermostat is staying open or the heater core ?
       
    7. Beachcomber86

      Beachcomber86 Active Member

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      Are you adding coolant with the motor running and the radiator cap off. If not, try it and make sure you can see movement in the radiator once the thermostat opens up.

      Also, have you added any leak stop to your radiator?
       
    8. will olive

      will olive New Member

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      ok i will try that, and no i havent tried any leak stop because my radiator is 5 months old
       
    9. Tech By Trade

      Tech By Trade Well-Known Member

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      Is it pissin water into the valley from the thermostat housing?
       
    10. Beachcomber86

      Beachcomber86 Active Member

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      If your radiator is only 5 months old, why are you always having to add water?
       
    11. will olive

      will olive New Member

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      the thermostat houseing always has a little mess of antifreez so idk if its leaking threw the houseing gasket or the holes. but even though, i dont think it will cause my truck to blow out hot air then cold
       
    12. Tech By Trade

      Tech By Trade Well-Known Member

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      Air bubble in the system or stuck open thermostat. If it's the second you're lucky. Mine stuck closed when it went. Housings are cheap. I would be changing that asap. I would throw in a new thermostat while I was in there.
       
    13. michael loibl

      michael loibl Active Member

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      Hopefully not a head gasket leak forcing air pockets into the cooling system.
       
    14. will olive

      will olive New Member

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      thanks guys, i appreciate it.
       

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