How do you replace fuel sending unit on z71?

To replace the fuel sending unit on a Z71, first, ensure the vehicle is safely elevated and supported. Disconnect the battery, then remove the fuel tank by unbolting it and disconnecting the fuel lines and electrical connectors. Once the tank is out, locate the sending unit on top of the fuel pump assembly, unscrew it, and replace it with the new unit, ensuring proper alignment. Reassemble the components, reconnect the battery, and check for leaks before starting the vehicle.