F150 overheating and is also overflowing coolant from overflow res.
My 1996 f150 is overheating after it gets warm and
is starting to push coolant through my overflow
reservoir. I've changed the thermostat multiple
times ant it bypassed my heater core thinking it
may have been clogged and still no effect. What
would be the next best suggestion as to what is
wrong with my truck?
If the water pump is defective/broken and not spinning the impeller inside, it will cause an overheat condition. If you have a radiator cap on the radiator, look down the throat when up to operating temp. If the water is not moving the pump is shot or thermostat stuck closed.
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