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Lots of reasons, but the most common is a broken blend door. This door regulates whether air is diverted through the heater core or not. When it breaks, it can block air flow and cause a loss of heat(or AC, depending on the position it fails in). Check heatertreater.net for diagnostic and repair information.
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∙ 15y ago
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How do you change 1994 Ford Explorer heater control valves?
I have a 2004 Ford Explorer and the heat does not work, but when i try to turn the control valve to heat it makes a clicking noise. How do i fix it?
If the intake manifold gasket leaks on A 1994 ford explorer does the heater work?
yes it will still work if you get cold air your heater core could be pluged or the coolant is low
How does a pool heater work?
it doesnt work, it breaks it doesnt work, it breaks it doesnt work, it breaks
Why does the 2002 ford explorer keep blowing heater hoses?
could be head gasket problem. does your heater work? might need heater core , clogged up. do compression test. or bypass heater core and see if that works.
Can a 99 Ford Explorer transfer case work in a 97 Ford Explorer?
no
Why doesnt key work on ford explorer door?
power door lock actuator is broken and not letting the key raise the lock button
Why does your heater not blow hard on 2004 530i?
why doesnt my heater work on my1985 BMW
What can you do about your 2000 Ford Explorer heater blower motor you have to tap it to get it to work?
Replace it. This is probably a sign of badly worn bearings that make it difficult for the motor to spin.
Turn signal does not work on Ford Explorer?
2002 ford explorer turn signals not working
Will 1996 Ford Explorer engine work in a 2002 Ford Explorer?
No , the 4.0 L V6 engine in a 1996 Ford Explorer is an OHV not a SOHC
How do you overide the alarm system to start a 2001 Ford Explorer?
try disconnect the battery 4 about 10 min's then try it if it doesnt work take it to a shop
Your 2 rear power windows does not work in your 2002 Ford Explorer?
both my rear power windows does not work in my 2002 ford explorer, why?
