well, its been a long time coming..... it started leaking in the summer, and now that its getting cold, it needs to be replaced. i already have a replacement part, at this point im just looking for hints, tips, anything to make it easier... i have a three day weekend coming up and was planning on using all of that time as well as any free time i get before then to start this daunting project.......hints? tips? all are appreciated! thanks!