I re-sealed my power steering box about 2 years ago. I'll be happy to help out. Do you have a blowup parts diagram of the box? That would help improve communications as we talk about certain parts. You will need a big wrench or socket wrench to remove the large locking nut that goes on the end which secures to the steering shaft. Buy the rebuild kit and get the box off and we can go from there.
Jeff C.
1970 280SL 4-speed