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No Heat

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augustgermany
New User

Nov 15, 2010, 2:56 PM

Post #1 of 5 (2275 views)
No Heat Sign In
1996 Ford Explorer: 4.0, Flushed system, Coolant full, new thermostat, heater core lines hot, looked behind glove box and door is opening and closing. Just blowing cold air.


(This post was edited by augustgermany on Nov 15, 2010, 2:59 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 15, 2010, 3:09 PM

Post #2 of 5 (2270 views)
Re: No Heat Sign In
?? You've about covered it. You need to really know it's truly full of coolant (at radiator not just recovery tank) and the the blend door is really working is about all I can suggest,

T



augustgermany
New User

Nov 15, 2010, 3:18 PM

Post #3 of 5 (2265 views)
Re: No Heat Sign In
The radiator is full.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 15, 2010, 3:22 PM

Post #4 of 5 (2262 views)
Re: No Heat Sign In
You may be looking at the wrong door back there. The blend door is not visible without removing the actuator.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Sidom
Veteran / Moderator
Sidom profile image

Nov 15, 2010, 4:24 PM

Post #5 of 5 (2254 views)
Re: No Heat Sign In
On thing you can try while not 100% might indicate the door is working.....

Start it up, turn the a/c on to max, blower speed on medium & the temp to full cold. Let the temp stabilize and then turn it to full warm.... Depending on what the ambient temp is and the temp of the truck, if you get a 20° or more change in temp, this would indicate there is some type of movement with blend door......





 
 
 






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