How do you replace 2004 lesabre water temp sensor?

To replace the water temperature sensor on a 2004 Buick LeSabre, first, ensure the engine is cool and disconnect the negative battery cable. Locate the sensor, typically near the thermostat housing, and unplug the electrical connector. Use a socket or wrench to remove the old sensor and install the new one, ensuring you apply thread sealant if required. Finally, reconnect the electrical connector and the battery cable, then start the engine to check for leaks and proper operation.