Last fall I bought a 1985 27 foot Sport Coach made by Coachman for $2900. It is on a GM G30 chassis with a carbed 350 and TH400 transmission. It drove but none of the RV stuff worked. Before I stored ...
The very first thing on your list is a mistake. The bolts holding the AC down shouldnot be tightened. The foam gasket should only be compressed enough to make it snug. Every year they may need retighteniing a little but not tight. It sounds like you will be ready for a good trip. I would also flush the brake fluid to get all of the moisture out of the system.