How do you replace fuel pump on 1993 Oldsmobile 88 royal LS?

To replace the fuel pump on a 1993 Oldsmobile 88 Royal LS, first, ensure the vehicle is safely elevated and disconnect the battery. Remove the fuel tank by detaching the fuel lines and support straps, then lower it carefully. Access the fuel pump by removing the retaining ring from the top of the tank, replace the old pump with the new one, reassemble the tank, and reconnect all lines and the battery. Finally, start the vehicle and check for leaks.