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Ihave a 1998 ford pickup it blow warm air from my heater I chang thwrmostat it still blows warm air?
The thermostat is not the issue. The thermostat regulates the engine temperature, but not the heater core temperature. There is a valve going to the heater core that is not closing all the way. It may be broken, clogged, or not actuating.
Why will a car heater blow out cold air when heater is on?
Low on coolant, stuck open thermostat, plugged heater core, faulty temperature blend door,
Why do i not have heat new thermostat No leak at heater core?
Heater core could be clogged.
What would cause my Lincoln 2001 heater not put heat in the car?
low coolant? Bad thermostat? Climate control not sensing proper temperature? Heater core plugged or restricted? Heater core airbound?
Why will your heater blow but will not heaton a 1997 ford tourus?
Low coolant? Thermostat not opening? Heater core restricted or plugged? Heater core airbound? Water pump not circulating coolant? Temperature control not working?
GMC Jimmy heater not working?
Low coolant? Bad thermostat? Heater core plugged, restricted, or airbound? Temperature control cable not working?
Why no heat on 1990 silverado heater core I've changed control and thermostat.?
Have you flushed the heater core?
Why does the heater on a 1986 Chrysler Lebaron only blow out cold air?
Low coolant? Thermostat not opening? Control cable not working? Plugged heater core? Heater core "airbound"? Low coolant? Thermostat not opening? Control cable not working? Plugged heater core? Heater core "airbound"?
Blowing cold air 2001 Montana?
Low coolant? Thermostat not closing allowing engine temperature to rise? Plugged heater core? Air bound heater core? Water pump not circulating coolant?
Why would your car only blow warm air and not hot?
The thermostat in your car controls the temperature of the fluid entering the heater core. Thermostats have different temperature setting i.e. 195,180 etc. When the rated temperature is approached, the thermostat starts to open up, the fluid path is changed and the temperature of the fluid is held at the rated temperature. If the thermostat opens too soon, or fails to close the heater core will not reach max temperature, and the air from the heater air will be warm,not hot. Also the mechanism that opens the duct door may not work,and the same problem will occur. Also, your core may have a fluid control lever which may not work.
Why no heat in cab of f350 diesel?
no heat can be caused by,blocked heater core insufficient coolant in engine blocked heater hoses from engine to heater core bad heater thermostat bad thermostat in engine bad heater control switch
How do you determine if you need a thermostat or a heater core?
If you need a heater core, the one you currently have would be leaking. If the car is over heating or not getting warm enough, think thermostat.
