Gjac, Thanks for your response it is certainly worth a try! I'm a retired farmer and we have shops around that repair hydraulic cylinders so if I have to, I will probably have them rebuilt. On MOST farm cylinders it is not a big deal to reseal them. I don't know if these jack cylinders use standard type seals or not. That could be a problem. Another problem is that I won't know if they are fixed until we take it out on the road for long enough to get things hot. They are working perfectly right now but they are cold. Actually, had I not tried to retract them shortly after having parked, I would never have known there was a problem!