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Re: fan not working on
Unplug the fan harness and use a jumper wire to the hot side of the fan and ground the neg. This will tell you if the fan is working or not. If it comes on, I'd look at replacing the fan relay. It could be bad.
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1. Is fan turning when engine runs?
2. Is belt in place to turn the water pump?
If so, sounds like most likely a thermostat problem, thermostat is normally located at the end of the hose that runs from the radiator to the top of the engine, or more appropriately, the water pump.
You may need a GOOD new thermostat. I had the same problem twice on my first generation Dakota. The problem for me turned out to be the DODGE thermostat I used to replace the old Dodge part. I went and got a Stant from local auto parts store using the standard temperature spec and quit shivering the next time I drove it. I hope that helps!
First thing first, turn off the engine wait for 15 - 20 mints, open the radiator cap and fill it up to the top then start the engine and see if it needs more water adn add as needed, then wait till you ca see the water circulating in the radiator now instead of corculating if it starts boiling out shut the engine replace the thermostat and do the whole thing again.
unless there is water in the engine the gauge will not be able to show the actual temp of the engine, so always malke sure you have water / antifreeze