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yes they both get hot. I will have to look into the blend door. is there a way to tell if it is working properly? I was also going to try replacing the water pump.yes they both get hot. I will have to look into the blend door. is there a way to tell if it is working properly? I was also going to try replacing the water pump.
do both your heater hoses going into the firewall to the heater core get hot? if they are both hot the problem is probaly in the blen door or the controls to open the blend doordo both your heater hoses going into the firewall to the heater core get hot? if they are both hot the problem is probaly in the blen door or the controls to open the blend door
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Blend air door actuators fail often in Ford Taurus. It sounds like that may be the problem with yours. For more information regarding this subject, please read the following article:
check that there is flow coming out your heater hoses
step 1 remove 1c heater hose
step 2 have a friend start car remember it is easy to install a heater flush valve and it makes the job easier
if there is flow then eithor you have a blockage or an air lock
if there is no flow there might be a valve in the heater lines to stop the flow of coolant to the car when ac is on i have seen theise in a few cars but they are rare if there is a valve than make sure it isnt frozen with rust and ir does work in a ford i would assume that it is a vacume valve
Try checking the two pipes that go into and come out of the heater matrix, is one of them hot? if it is there is an air lock within the matrix, Also is the thermostat opening fully? Sorry i know you said you have changed it twice already but take it out check settings when it should open and close, then boil some water and test the thermostat
feel the two hoses going into and out of the heater core. they both should be hot. if one is cold the heater core is likely plugged. you can try flushing it out to see if you can restore flow to the heater core. if they are both hot the thermostat may be sticking open tho you should have a limited amount of heat. also confirm that the vents are operating as they should be.
Taurus does not use a heater control valve. It runs coolant thru the
heater core constantly. You may have a temp blend door actuator problem
or a plugged up heater core is also very common. Feel the heater hoses,
they should both be very hot, it one is much cooler; you can try to
back flush the core.
yes they both get hot. I will have to look into the blend door. is there a way to tell if it is working properly? I was also going to try replacing the water pump.
do both your heater hoses going into the firewall to the heater core get hot? if they are both hot the problem is probaly in the blen door or the controls to open the blend door
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