Hello , Here to answer automotive questions and make you feel comfortable and become familiar with your product

1. Jack the front wheels up, or use a couple of ramps to give yourself more clearance:

2. Remove the underbelly pan, here it is taken off from the car:

There are a lot of "fasteners" that need to be removed. Given the color-coding above, here's what has to be removed:

a) the blue fastners are flat-head screws that turn 90 degrees and stay on the panel, they're off to the side in front of the wheels:

b) the fasteners are T45 torx bolts, note that many of these were actually stripped (need new ones now):

c) the 2 fasteners are huge 12-point "triple square" bolts, which I had a hard time finding the tool for:

here is a link to VW but the procedure is the same exact

http://forums.vwvortex.com/showthread.php?1749962-DIY-VR6-12v-Oil-Change

except for the under belly sound pan, on the TT is is much bigger and heavier