http://986forum.com/forums/general-discussions/66475-sad-day-my-bank-account.html
If you're going to do this yourself, it's an advanced job, so be prepared. You don't have to drop the entire engine, just lower it enough to access the cam banks.
And while you're at it, it's best to pull the oil pan and check the pickup tube. The bits and pieces of these wear pads tend to clog up the screen.