open lid take the fuel neck cap off and undo the screw thats inside the cover. Go in the boot and disconnect your fuel flap pull if 4x4. Get your hand behind where the cover is and the are some lugs to push in to get the actual fuel flap out. Once you have this out it will be alot easier to get the rubber gasket off and fit the new one. Then in good old haynes fashion 'refitting is the opposite of reversal'. Bout a 15-20 min job