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acprocold.com/blog/car-tipstricks/cars-heater-works-doesnt/ At A/C Pro, we're focused on helping people stay cool with our do-it-yourself car A/C repair kits. ... dropping, drivers are switching off the A/C and turning on the heater. ... When you turn on your car's heater, the hot coolant flows from the engine to ... Or it could be that the thermostat, which is a valve that regulates the flow of ...
Here we discuss how to diagnose & fix a thermostat that keeps calling for heating or cooling when it should not. A separate article, HEAT WON'T TURN OFF, ...
Sounds like the heater core may be blocked..First check the level make sure its full..Then let the vehicle get up to operating temperature..Feel the heater hoses going into the firewall..Both should be hot to touch..If one is hot and the other one is warm or not warm ,,then you have a blockage in the heater core..If its block ,,then i have cleaned them out by taking the heater hoses off,,and running a garden hose through the heater core..If that doesnt work then you have to remove the dash,,and replace the heater core..
You have a plugged up heater core. Try pulling the heater hoses of where they go into the firewall, put a garden hose with a spray nozzle in one hose and gently flush the system out. you will need to pull both heater hoses off to do this.
No, Relays control the fan running. But you said it is running. Low coolant level, clogged heater core or sticking temperature door could be the problem. Is the engine running at normal temp? Open thermostat could cause low temperature.
If your blower is working it is likely the thermostat. Have your cooling system flushed and replaced with new coolant being careful to use the proper type.
If this doesnt work you may need either a new radiator or heater core. Sounds like the cheaper fix though and you wont waste your money. It's good for your engine life
Check your colant level it might be low and if its top it up with proper collant ratio......and if that doesnt work replace your thermostat...... then let me kno wwat happens?
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