Mechanics

HEAT NOT WORKING

1997 Ford F-250 • V8 4WD Automatic • 155,000 miles

I have a 97 Ford F-250. The heat only works occasionally, usally at an idol and sometimes while moving. Tried to flush heater core out. Could this be a bad heater core, or maybe the heater control switch?
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Ghrabik@cox.net
December 26, 2010.



Check the thermostat, coolant level, heater core if its clogged, heater control valve and air blend door/actuator-

Rasmataz
Dec 26, 2010.