How do you replace a fuel pump on a 1994 Oldsmobile 98 regency?

To replace the fuel pump on a 1994 Oldsmobile 98 Regency, first, disconnect the negative battery cable and relieve fuel system pressure by removing the fuel pump relay and running the engine until it stalls. Next, raise the vehicle and remove the fuel tank, which involves disconnecting the fuel lines and electrical connectors. Once the tank is out, access the fuel pump by removing the retaining ring on the fuel pump assembly, replace the old pump with the new one, and reassemble everything in reverse order, ensuring all connections are secure. Finally, reconnect the battery, prime the fuel system, and check for leaks.