i have a problem with the automatic climate control the fan has only high speed
According to the 2002 Ford Explorer Owner Guide : For the 4.0 litre SOHC , V6 engine : The engine cooling system capacity is : WITHOUT auxiliary climate control ( 16.3 U.S. quarts ) WITH auxiliary climate control ( 18.2 U.S. quarts )
Your fan could be running continuously because your car is running hot. You should take your Explorer to a licensed mechanic.
Check heatertreater.net for diagnostic information and a fix for the blend door/actuator problems endemic to this model.
When fixing problems in a car, a diagram will help make sure the changes are made correctly. The wiring diagram for this car's climate control is found in its maintenance and repair manual.
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.
There could be two causes. The first is the fuse could be blown and the second is the motor may have went bad.
Check your climate control switches, and vaccuum lines. If you have electronic climate control, you probably need to have it serviced. Quite often in Grand Am's 91-2002 have had minor problems with weak linkages within the housing and routing of the climate control rod's and lines.
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According to the 2004 Ford Explorer owners manual : With the 4.0 liter SOHC , V6 engine : The engine cooling system capacity is : Without auxiliary climate control ( 15.4 liters / 16.3 quarts ) With auxiliary climate control ( 17.2 liters / 18.2 quarts ) It came from the factory with a 50 / 50 mix of antifreeze and distilled water
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No the climate control is tied into the electronic control system of the car which is controled by the computer. The climate control can also be used to view or display fault codes from the computer...............
You will need to replace the blower motor control unit located inside the blower motor housing, this part is not the same as the part on standard explorers, it is not the same blower motor resistor.