How do you change fuel pump on 2009 Chevy Colorado?

To change the fuel pump on a 2009 Chevy Colorado, first, disconnect the battery and relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls. Next, remove the rear seat cushion to access the fuel pump access panel, then unbolt and lift the panel to reach the fuel pump assembly. Disconnect the fuel lines and electrical connectors, remove the old pump, and install the new one, ensuring all connections are secure before reassembling everything and reconnecting the battery. Finally, check for leaks and ensure the pump is functioning properly.