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You have a broken temp blend door in your heater/AC case. The reason it blows cold when you switch to MAX is because in the MAX position, the heater control valve shuts off coolant flow through the heater core. You will need a new heater case, because the door is inside the case and is not available separately. You had better replace the blend door actuator as well, because that is what I have found is causing the door to break to bgin with. The stops wear out in the actuator so that it begins advancing too far in one direction or the other and it breaks the doors.
What else can I help you with?
Why is temperature control module in your 2004 ford explorer 6 cylinder when switch over hot air does not work and thumping noise is heard?
It over heats
How do you repair the temperature control switch on a 1996 Ford Explorer xlt?
Remove the temperature control switch wiring harness. Remove the temperature control switch retaining screws. Reverse the process to install the new temperature control switch.
Does a cylinder head temperature sensor in a ford focus control the fan or does the coolant temperature sensor control it?
A coolant system temperature sensor controls it. : CHILTON calls it the cylinder head temperature sensor. Some after market manufacturers call it the coolant temperature sensor. These are equivalent.
The temperature control module in your 1997 Ford Explorer?
The temperature control module for a 1997 Ford explorer is the unit that controls all of the heat and ac functions. If it is not operating properly, then the heat ac and defrost will work improperly or not at all.
Where is the Idle Air Control valve located on a 1998 Ford Explorer 6-Cylinder 4.0L SOHC?
On most models, the Idle Air Control (IAC) valve is located on the throttle body.
Where is the temperature control sensor on a 1996 Oldsmobile Aurora?
Its located on the back of right cylinder head ...fun too get too.....
What does error code p0125 on a '99 ford explorer mean?
Trouble code P0125 means:Insufficent coolant temperature for closed loop fuel control
What is part number 1l2z-19e616-ca for a ford explorer xlt?
I believe it is a blend door actuator. The blend door actuator "blends" hot and cold air enabling you to control the climate control temperature.
Why the temperature 20 degrees is marked on the measuring cylinder?
liquid has deferent density at deferent temperature and so deferent volume 20 degree Centigrade is written on measuring mean that this cylinder will give accurate volume at 20 degree centigrade
Your 2003 Explorer ABS light is coming on from time to time and the cruise control quit working?
Replace the cruise control deactivater switch which simply screws into the top of the master brake cylinder. Costs less than $20 and everything will run properly again! there is no deactivater switch on the master brake cylinder on a 2003 ford f-250
Why does our Thermal Guardian temperature control system model P1008 blink constantly?
Constant blinking on a temperature control system could indicate a fault in the system, such as a temperature sensor issue, power supply problem, or internal circuitry malfunction. It would be best to refer to the user manual for troubleshooting steps or contact the manufacturer for further assistance.
What all does a master cylinder control on a car?
just the slave cylinder, for your brakes.
