Question about 1998 Ford F150 Regular Cab
The problem may be the switch that controls the temp of the air. It may be out, or the servo it controls may be out. To test this you have to take a lot apart as the servo is located inside the heater box. I would have a mechanic look at it. It could also be a bad heater core. Water leaking into the floor is a good sign of a bad heater core.
Posted on Dec 22, 2008
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