How do you change 1998 Toyota 4 runner fuel pump?

To change the fuel pump on a 1998 Toyota 4Runner, first disconnect the negative battery terminal and relieve fuel system pressure by removing the fuel cap and using a fuel pressure gauge. Next, access the fuel pump by removing the rear seat and the access panel on the floor. Disconnect the electrical connectors and fuel lines, then unbolt and remove the old pump from the fuel tank. Install the new pump in reverse order, ensuring all connections are secure before reassembling and testing the system.