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?
Sunday, December 26th, 2010 AT 7:57 PM
Check the thermostat, coolant level, heater core if its clogged, heater control valve and air blend door/actuator-