2010 Ford F-250 Super Duty Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2010 Ford F-250 Super Duty
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2010 Ford F-250 Super Duty ProblemsA/C Fan Speed Changing Constantly
The 2008-2010 Ford F-250 with automatic climate control may have a problem with frequent fan speed changes when using the heater or air conditioner. Normally, the fan speed changes only to maintain a selected temperature, but when the fan speed changes frequently and needlessly, there is an issue with the fan speed control unit.
The fan speed control unit, sometimes erroneously called the blower motor resister, regulates the speed for the blower motor in order to maintain the temperature set by the driver. When it fails, the fan will run at random settings, and the climate control will be inaccurate.
Note: this does not affect the temperature of the air that comes from the vents, it affects the amount of air that comes from the vents.
The repair is simple, and quick. The control unit is located behind the glove box in most models, and removal and installation takes only minutes.
Also note: this only applies to vehicles with single or dual automatic climate control.
The 2004-2010 Ford F-250 with manual temperature and fan controls may have problems with the the blower motor only blowing air on certain settings. Most commonly the fan will only run on the highest setting. This is a well documented problem, and is caused by a failing blower motor resistor.
Correcting the problem is straight forward, and requires replacement of the small resistor. The resistor is normally found behind the glove box, next to the blower motor.
A coolant leak from the radiator can be caused by a defective thermostat bypass. This can cause pressure spikes in the cooling system, which leads to radiator failure. The thermostat assembly and radiator should be replaced.
2010 Ford F-250 Super Duty QuestionsWhat does it mean when the wrench comes on the dashboard? (1 answer)
Ford Dealer advised that cab mounts on my truck need replacement. My truck has 80,000 miles. Street driven. How can this be. Is there a recall for cab mounts ... Amount thrown at me in high $2500.
Have been getting "wrench" symbol on dash, but it goes away. This time, also got check engine light.