Need insight on wierd problem

No the coupler looked good inside. I put a crow bar on the steering box and it doesn't budge. Didn't check the idler arm. The pitman are is solid. No splines are damaged. Once it gets to the end of the lock it locks. No movement. Same both sides. The old box had way too much play in it. was unsafe. The is a new one I put in in august and it does have a warranty. I called them today and they asked if I turned the adjustment screw. I told them I had not. They said sometimes it might get a air bubble in them and have seen them do this before. But usually it just locks on one side or the other. I plan on doing that this weekend. If it doesn't fix my issue it will be warrantied.