I just held one end and pushed on the other with a small screwdriver to get the removal started.
Or you could buy a circlip tool.
There's a youtube vid for the process. http://www.youtube.com/watch?v=EJ7VlQkCT9M
you need the correct puller and installation tool.
Video shows replacing the seal, but since I didn't get seals, I've left the old ones in place
There's sometimes a buggy.
How many drivers does a buggy have?
So let's just say I'm drivin' this buggy...
and if you fix your attitude you can ride along with me.http://www.youtube.com/watch?v=GekiIMh4ZkM