if it is a standarded rubber gasget and know one has siliconed the pissout of it you can do it easyand if you need a new rubber you can cut it out with ease if not have a buddie help. the trick is to push evan ly and use no pry bars. the toyota fsm tell you exactly how to do it if you are interested i cand take pics of the fsm for you. i have done plenty of them and a guy i wheel with removes his every time we go wheeling and he stashes it in the forest and when we are done he puts it back in. so go slow and start at the top and the more people you have helping the better.