F 150 heaters just blow! Not much on line :(
Mine is a '99. Yes the Radiator is good as is the thermostat. Yes the pump is good & the coolant full. The heater core is new & grounded to prevent electrolysis that those engineers cleverly engineered into the system. A number of google searches revealed little understanding in hundreds of posts over many web sites. The blend door??? Please. Not my first trip to the Rodeo.
Near as I can tell, cold air is being routed someplace to dilute the heat and unfortunately my Haynes book is a sad excuse of a guide. Seems like cables were proven technology but perhaps too reliable. Decent truck otherwise. (except for the Sun gears) Who here really understand these systems. |
Are both heater hoses hot to the touch?
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