On our last trip I noticed the gray valve was leaking and dripping at cap. Dumped before leaving. Just got under to attempt to replace both dump valves since this is a 2004. Found a box with pipe in t...
Replacing the blades are easy. 4 bolts, pry the valve bodies apart slightly, drop out the old blade and seals. Liberaly grease the seals and blade using plumbers grease and reassemble. Careful to tighten the 4 bolts evenly and not too tight. Check for leaks by dumping a few gallons of water in the tank. No leaks? Valve work easily? Close things up. Not hard.