To remove the pump from the tank you will need a special lock ring tool OTC part #310-123 which you can find online for around $260.00
CAUTION:Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is therefore essential that absolute cleanliness is observed when working with these components. Always install blanking plugs to any open orifices or tubes. When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector retaining clip area before separating from the tube.
Remove the fuel pump module assembly.