Ford F-250 Super Duty Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Ford F-250 Super Duty
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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.
There is a technical service bulletin for the V8 engines regarding a possible problem with the spark plug being ejected from the cylinder head, damaging the threads in the spark plug hole. If the vehicle is under warranty, cylinder head replacement is recommended. If the vehicle is out of warranty, Ford authorized the use of a specific thread insert to repair the head.
Ford F-250 Super Duty QuestionsI have a 2008 Ford F2 50 with a 6.8 V 10 triton motor alternator went out replaced all they replace battery but now it doesn't it it has no power like a power (1 answer)
truck has no prior problems call me soon F2 50 super duty with the V 10 triton 6.8 I replaced the alternator I replaced the starter I replaced the battery but now there is no power no Chuck go 20 miles an hour
Went out to start it and did not have a WTS light, RPM didn't move, Oil Pressure gauge not working. Checked the 30amp fuse good, all other fuses good. Did PCM go bad?
my 7.3 diesel is hard to start if not plugged for a period of time
Ford F-250 Super Duty RecallsTire Inside Sidewall Damaged During Vehicle Assembly
The inside of the tire sidewalls may have been damaged upon vehicle assembly. Dealers will inspect the tires for damage and replace them as necessary free of charge to resolve the concern.
When shifting the transmission from park to drive, transmission may improperly engage reverse instead of drive briefly before finally engaging the drive position as selected, possibly resulting in unexpected vehicle movement. Dealers will update the transmission software free of charge to resolve the concern.
The brake/shift interlock can fail, allowing the transmission to be shifted into park without depressing the brake pedal. If the transmission were shifted into gear without depressing the brake pedal, a crash or injury to a nearby pedestrian could result. Dealers will inspect the brake shift interlock switch function and replace the switch if necessary.