With in the hell are you talking about? A Cam seal can't leak INTO the tranny. Maybe onto it, but not in it!!!!

Jesus....

Ok, to do it, you're going to have to do as follows.

Turn the motor to TDC. If you don't know how, ask, and I'll follow up.
Then you need to remove your valve cover.
Remove the upper timing belt cover.
Use a sharpie marker, or a white grease pen to mark the timing belt and the cam gear, so you know where they're lining up.
It doesn't matter where you do this. It's just so you know to line up the mark when you put the belt back on.
Now before you take the belt off the cam gear, you're going to want to remove the bolt from the cam gear.
Pull the belt off just the cam gear.
Now you'll have to remove the cam caps.
You'll basically be lifting off all the of the rocker arms and all that jazz as one piece. So lift carefully, and make sure you ahve a clean place to set everything before you pull it off.
Now you can lift the cam shaft out.
Slowly pull the gear from the cam shaft. MAke sure that the key (little metal block to keep the gear from spinning on the cam shaft) doesn't go flying. Now you can pull off the cam seal.
Now reverse the order. If you have problems getting the timing belt to go back on, DO NOT use anything to pry it back on. Down on the timing belt cover, there is a mark to set your timing. Remove the cap directly below that. There is a 12 of 14mm bolt that holds the tensioner. Release that, and it will let you get the timing belt back on. If you have any questions about getting the timing belt lined back up, ask before you start, or you will kick yourself. If it's off by one tooth, your car will run like shit.

Disclaimer: I'm not responsible for you being a dumbass, misenturperting my vauge explaination, or you messing up your car.

Seriously though, any questions, hit me up.