I am having problems with the heater, no heat, changed thermostat, heater control valve and new coolant, still no heat? Someone told me that it could be a blocked heater core? And can the door be replaced on the box that controls where the heat goes to? The door arm is broke inside which controls the air flow? Will it hurt the truck to run water straight through the heater core, no valve?
Tuesday, January 22nd, 2013 AT 11:19 AM