Wow, so today I bolted the part into place. I just let it hang around when I tried it. OK so you need really small hands for this job. After losing a 5/16" socket and Cat using her lady hands we were able to get the heat-sink off, removed the old part, bolt on the new part and replace the heat sink into the wheel well area. Then it was just a matter of bolting back on the small parts and battery that had to be removed.
This job is done.
Next week however is a different story. Monday we remove everything from the roof and pull the rubber roofing off. Once we see what we are up against then we can install the new roof. The coach is 27 feet long. I purchased 35 feet of roof material so we can exaggerate the front and rear roof lines. My hope is that the new roof will wrap all the way around the front as well as hang over the rear. This thing has leaked for too long and it's really making us frustrated.
That'll be a new thread with copious pictures. Look for that on Monday in the DIY thread.