How to change fuel pump in oldsmobile?

It is a oldsmobile Renency ninty- eight the year is 1989|||Before you go to the trouble, make sure you check the fuse first!|||you will need to drop the fuel tank. Its in the top, not too bad just hope you have empty gas tank.|||log on http://www.gmdealerworld.com/ or https://www.autopartners.net/