fuel filler hose

Been looking for info. on how difficult it is and the cost of labor to replace a 2000 Pontiac Grand Prix GTP 4d rubber fuel filler hose(s) (gas leaks out when I fill up) I believe item #5 in attached assy. drawing is my culprit I will also be replacing item #6 at same time. I'm too crippled to...

Can someone suggest tips on removing fuel filler neck, please? I have unscrewed it at the cap area and unclamped it, but I cannot get it out of the wheel well. Have removed the tire and the removable panel from the wheel well. I am trying to siphon the gas out of the fuel tank without running...