2003 Saturn Vue fule leak

I have a fule leak because I smell gas when driving and when parked and the is a puddle where the car was parked and the gas gage shows less gas then when I filled up and I seen it leaking from the top of the tank on the back passanger side and the gas runs from the top of the tank down the side and drips off into a puddle I need to know what I need to do to fix it and I need to know if this is what I need to fix it. fuel pump module