My friends son Inlaw drop the cap from a gas can inside the fuel tank some how he is bringing it over latter to try and get it out I wached a YouTube video of how how to pull the top off doesn't seem like it will be to hard. I am basically wondering if I need any special tools to get the top off and the fuel sending unit out I've never touched one yet basically never been closer than 10 feet to one all help or advice would be a huge help thanks boys and girls