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Discussion in 'New Member Introductions' started by Kassel114, January 1, 2019.

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  1. Kassel114

    Kassel114 New Member

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    City, State:
    Elizabeth , Colorado
    Year, Model & Trim Level:
    02 Explorer 4.6L Limited
    Hey all, I just got my Explorer in July and it's been great so far. Yesterday, the temps got down to -2 outside and I went to drive and had no heat and it overheated on me. I have seen some people say thermostat and some say air in the heat lines. I will say the heat to the back hasn't worked since I got it. reservoir doesn't smell of gas and there are no signs of head gasket issues. Any ideas?
     
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  3. shucker1

    shucker1 Elite Explorer

    Joined:
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    City, State:
    Metairie, Louisiana
    Year, Model & Trim Level:
    98 XLT 5.0
    Sounds like you have an air pocket in the cooling system somewhere.

    Best to fix it now before any damage is done.

    Welcome to the Forum!
     
  4. BrooklynBay

    BrooklynBay Moderator & long time member. Staff Member Moderator Elite Explorer

    Joined:
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    City, State:
    Brooklyn, NY
    Year, Model & Trim Level:
    88 89 93 95 96 Aerostars
    Welcome to this forum! It could be the thermostat or the radiator fan for the overheating issue or the heater control valve or the blend door for the lack of heat in the cabin. I once had this issue, and it was due to low coolant in the system. The radiator wasn't cooling because there wasn't enough coolant in the system. The heater core wasn't getting hot because there wasn't enough coolant to flow through it.
     
  5. Kassel114

    Kassel114 New Member

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    City, State:
    Elizabeth , Colorado
    Year, Model & Trim Level:
    02 Explorer 4.6L Limited
    I changed out the thermostat and radiator fluid and it worked like a charm. The fluid that was in there when I got it wasn’t good and froze due to -4°. Not sure how to get the rear heat working though.
     
  6. BrooklynBay

    BrooklynBay Moderator & long time member. Staff Member Moderator Elite Explorer

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    City, State:
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    Year, Model & Trim Level:
    88 89 93 95 96 Aerostars
    Check the heater control valve for the rear heat.
     
  7. Jerome Nicolazo

    Jerome Nicolazo New Member

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    City, State:
    NC
    Year, Model & Trim Level:
    1997 Explorer Eddie Bauer
    Guys... incidental question... what is considered overheating ?
    My water temp gauge goes in the 80% of the limit ...
    My oil temp gauge is right in the middle ...
    Is this considered overheating ?
     
  8. BrooklynBay

    BrooklynBay Moderator & long time member. Staff Member Moderator Elite Explorer

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    88 89 93 95 96 Aerostars
    Any temperature above 195 or 200 degrees is going into the hot zone. Keep in mind that water boils at 212 degrees, so that's when trouble begins.
     
  9. Jerome Nicolazo

    Jerome Nicolazo New Member

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    City, State:
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    I agree but the gauge doesn't read an actual temp...
    Just the min and max ...
    Is being within the range but above the middle still being considered overheating ?
     
  10. BrooklynBay

    BrooklynBay Moderator & long time member. Staff Member Moderator Elite Explorer

    Joined:
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    City, State:
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    Year, Model & Trim Level:
    88 89 93 95 96 Aerostars
    I don't know what temperature each line represents. The only way to know is to check the engine with a thermometer probe or an infrared gun.
     
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