1998 Ford Explorer heater

Tiny
CLIFF2010
  • MEMBER
  • 1998 FORD EXPLORER
  • V8
  • 4WD
  • AUTOMATIC
  • 152,000 MILES
I hopeb you guys can help me!
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Thursday, February 18th, 2010 AT 1:04 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Can you describe what is happening with the heater?
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Friday, February 19th, 2010 AT 12:49 PM
Tiny
CLIFF2010
  • MEMBER
What happen is when I turn on the heater on I dont have any heat coming out. Its cold air instead.I put some coolant already but it doesnt look like its helping hopefully you guys can help me. Thank you very much and I appreciate it!God Bless
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Wednesday, February 24th, 2010 AT 12:32 AM
Tiny
DANAUTHIER
  • EXPERT
You stated you put some coolant in, where was the coolant low?Are there any leaks that you can see in the radiator, hoses or engine? I cannot remember if your vehicle is a closed system with a pressureized cap on the recovery bottle or not.

When the engine is cold make sure the radiator and the recovery bottle are both full.

I am sure with some more information we can help you figure this out.

Thank you,

Dan
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Wednesday, February 24th, 2010 AT 1:02 AM
Tiny
CLIFF2010
  • MEMBER
Yes its a liltle bit low but is full now. I did turn on the car for 10 minutes and wait. Turn on the heater but still cold air is coming out. No leaks on the hoses
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Wednesday, February 24th, 2010 AT 1:06 AM
Tiny
DANAUTHIER
  • EXPERT
Here is a quick diagnostic on your heater core. Locate the heater hoses that run to the firewall (to the heater core). With the engine warm and running and the temp setting on you heater to full heat. Feel both hoses to the heater core, if they are both warm and feel close to the same temp (one may be slightly cooler) the coolant is flowing though the heater core. If this is the case the temp door in the heater box is not operating and you will have to determine if it is a control issue or or a problem inside the heater case itself. The door may be broken or something fell down through the duct work and is blocking in the cold air position to name a couple of possibilities.

If they are not warm or one in dramatically colder than the other, the coolant is not flowing through the heater core. If this is the case you may be able to flush the heater core out and restore the heat or you may have to replace the heater core.

Just a couple of ideas, let me know what you find and we can go from there.

Thank you,

Dan
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Thursday, February 25th, 2010 AT 12:46 AM

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