Lat spring I bought a kit and went through the touch control unit on my Super C. Changed every o-ring and gasket. I could tell it had leaked for years with all the build up around it. It worked well this summer and I used the tractor to cultivate corn. Rows are relatively short so lots of lifting and lowing the cultivator. I ran the tractor last weekend and lowered the cultivators and one piston started leaking oil pretty good. Can this just be a failed o-ring or something else going on. Cultivators stay where I set them and tractor isn't laboring after the lift or lowering is complete so nothing seems to be stuck open building up pressure. Can I buy o-rings for just one piston or will I need the whole set. This development is kind of a bummer.