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if you are looking for the temperature sensor on a 3.9L, looking down onto the top of the engine, it is just to the left of the thermostat housing. it is small and has wires plugged into it. remove this plug and then using a socket and extension, remove the sensor, reinstall the new one and plug the wires back into it. coolant may flow out a little escpecially if the engine is still warm but its not much

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19y ago

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