2001 Ford F150 Heater Blows Cold Air. Web on a cold engine you can remove the radiator cap and check the level. Web my heat in my truck blows warm for 10 seconds then goes cold but if i leave it on the floor it stays warm any other place does the warm to cold thing.
At idle air from heater becomes cool to cold. I have flushed the entire. Engine runs at normal temp by gauge.
Web my heat in my truck blows warm for 10 seconds then goes cold but if i leave it on the floor it stays warm any other place does the warm to cold thing. Web heater isnt putting out any heat.blows cold air.when i adjust the heat/cold knob it doesnt change anything feels the sameits a 2000 ford f150 there amy be a problem with. Also check the line from the radiator to the heater core.
There is usually a valve attached with operates on vacuum to keep it open. Web the main reasons why the ford f150 heater is not working are: Web my 2001 ford f150 is blowing cold and hot air through the defroster no matter what setting it is on unless it is off then it doesn't come out of anywhere.
At low speeds, the heater blows cold and as we get to a higher speed, the heater gets hot like normal. There are three systems governing comfort: Throws heat at 35 miles per or more.
Web answer popular answer davejm on november 07, 2010 if you verify the engine is getting hot enough, and the heater core has hot coolant going in and coming. As a safety precaution the valve is. Web first thing to check is the blend door actuator.get in truck close doors and roll up windows,turn radio off and turn key as far as it will go before starting truck,do not start.
Web my heater blows cold air all of the time. Engine runs at normal temp by gauge. At idle air from heater becomes cool to cold.
