Can you drain the fuel tank on a 2004 Chevy van?

GO to the hose,connecting fuel cell [3,4 in.]get it Loose.[wd 40 or same]pry hose on cell side 1/2 the open,2 screw drivers will work. put hose in cell.syfon, hrd spot to reach use cost hanger+tiny zip ties to get where you got to go. AHOIST IS GREAT BUT IF YOU DONT. JACK REAR END UP,SO YOU CAN GET TO IT ,THEN JACK FROUNT END UP TO GET GAS TANK TO FIND LOW SPOT TO SYFON. IT'S A MEDIUM JOB [RUSTY] BIRNG A LUNCH