Install coolant sensor on Volvo S70 1998?

To install the coolant sensor on a 1998 Volvo S70, first ensure the engine is cool and disconnect the battery. Locate the coolant temperature sensor, typically found near the thermostat housing on the engine block. Remove the electrical connector and unscrew the old sensor using a socket wrench. Install the new sensor by screwing it in place, reconnect the electrical connector, and then reattach the battery. Finally, check for leaks and ensure the coolant level is adequate.