Question about 1997 Ford Explorer AWD
If the thermostat is not opening (coolant circulating) and getting coolant through the inlet hose of the heater core you will not get any heat. If the thermostat is working then the heater core is clogged. Some folks take the heater inlet and outlet hose off and flush each end with a garden hose, got to give it enough pressure to unclog the core.
Posted on Nov 21, 2013
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Posted on Jan 02, 2017
on the evap box there is a control mtr that switches the hot cold door. these mtrs are prone to failure. the other problem that i have seen is that the door breakes in side the evap box and that means removing the box to replace the door . if i remeber correctly you may have to slide the dash back to gain assces to the control mtr to test it good luck
Posted on Dec 22, 2008
Sounds like your temperature actuator is not moving or your temp door is broken. On max a-c ,coolant is shut off to your heater core allowing only cold air in.
Posted on Jan 26, 2009
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