My mechanic first thought it was the line, then he said it was a plastic piece that is broken and the engine might need to be pulled to get at it. He recommends just capping line off and not using the reseivour. He said older boats use to not have a reseivoir? I am at a lost at what to do and while he can do things cheap and get it working, I don't know what todo. 190HP 4.L on a 2000 Maxum.