How do you change the gas filler neck gasket on a 2001 Mitsubishi Montero Sport?

you will need to remove the three screws from where your gas cap/door is they are in a triangle formation and then under neath the vehicle follow the filler neck theres a big steel tube a smaller tube right beside it and a really small tube opposite side of that. you will need to undo the three clamps on the rubber lines then pull them off the steel line. aside from those three there is also another one up near the very top of the filler neck. once all hoses disconnected it should pull right out. and reverse to re-install below are 2 pictures of what you are replacing alsong with a diagram showing you where screws and hoses connect to help you along

here is the second