Thank-you for the help. I was able to take it apart and rebuild the cylinders. It works good again. The seals were shot in both cylinders. I used a steel digging bar and some chains to pull on the rod and a ratcheting tie-down strap to the bumper of my truck to hold the gland tight between...
Did you ever find a solution? I'm having the same problem now. I removed the hose fittings from the port and I can see the internal end piece (plug?) turning with the cap. I'm thinking about drilling a hole in the plug and using a pick or screw driver to hold the inside piece still while I...