If I can rebuild my whole steering box, you can also. Hardest part was removing all the nasty old grease. The rest is easy as long as you follow the steering box manual.
My box doesn't need a rebuild. It is tight, it just likes to mark my trail. I rebuilt the one that I have in inventory. I agree that once you get past the apprehension of the task, rebuilding them is pretty easy.
What I am trying to do is just change the seal, avoiding having to remove the entire steering mast. [insert lazy Imodium here] (I am aware that "Imodium" is the wrong word, but it is funnier to me.)