BTW... For anyone that does this in the future, I have come across a nice DIY tutorial on replacing the whole housing like I will have to do. Seems the highlights are to be certain to keep track of which bolts go where for the housing going to the block, and that you will have to remove the alternator and several brackets. Not a big deal if you are already into the timing belt swap. Link below will take you to the tutorial...
Audi A4 1.8T Volkswagen Water Pump Replacement | Golf, Jetta, Passat & Beetle | Pelican Parts DIY Maintenance Article

 

BTW... found a nice tutorial on how to change the whole thing
Audi A4 1.8T Volkswagen Water Pump Replacement | Golf, Jetta, Passat & Beetle | Pelican Parts DIY Maintenance Article