I have had trhis problem for months. Replaced everything and just found out it was air in the system. I purchased a tool take sucks all the fluids out of the cooling system into a bucket along with any air. Once the all the air is sucked out you reverse the the flow and it sucks the coolent back into the reserve and it works great after that. Has not over heated for weeks.
I currently am having the same issue. I have traced the issue back to the fans. The fans would not kick on so i let it run to almost overheating temperature, and checked the fans.... nothing was working. I slammed the hood to test a wild hair idea that one of the wires or the fans wasnt getting power. When i slammed the hood, The fans kicked on and the temp. dropped. So now its on to wire chasing.
You may have a blown head gasket, but by far the easiest and most common problem is air in the system...if you look at the top of your thermostat housing you'll see an air fitting, with the engine warm (I prefer it running) simply loosen up that little breather and the air will escape. When water starts coming out at a steady stream, shut it. You may have to do it a few times to get all the air out, but it's worth it in the long run. If you've overheated the engine too much or too many times, you may have a faulty head or head gasket, which is an expensive repair. Try the air release first....
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Sensor would just cause a check engine light and radiator caps hardly ever go bad. It's possible you put the thermostat in upside down. Also possible that a hose is clogged. More than likely you have a massive air bubble trapped in the engine block.
Hello xtequilashot and thank you for asking your question, on Fixya.
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Might be blown head gasket. Is there oil in the coolant or coolant in the oil? Either of these would tell you that.
Also the exhust can get into the coolant and make the coolant low all the time.
I had two Chrysler products that the exhaust forced coolant out and had a bad head gasket.
could be waterpump?
i was going to say rad fan,but if so heater would be hot.
lack of coolant will make heater core to blow cold,if engine heats up with full coolant,usually means poor or no circulation.
run engine with full coolant,at operating temp.with rad cap off and look in rad cap hole and see if there is movement of water inside rad.
[rad fan will not come on if water is not circulating through rad water pump?]
Did you bleed the cooling system after refilling the radiator ? to bleed the system, fill the radiator with water and coolant. Run the engine until it is at a good temperature. Then turn off the engine and look for a bleeding screw at the oulet of the thermostat housing and turn it with a screwdriver counterclock wise. The trapped air will go out and coolant will start coming out. refill the radiator and repeat until only coolant comes out and no air.be careful not to burn yourself.