How do you change the knock sensor on a 2004 Chevy sunurban?

To change the knock sensor on a 2004 Chevy Suburban, first disconnect the battery to ensure safety. Locate the knock sensor, which is usually found on the engine block or intake manifold. Remove the electrical connector and unbolt the sensor using the appropriate socket. Install the new sensor by reversing the process, ensuring it's tightened to the manufacturer's specifications, and reconnect the battery.