This is the video version of rebuilding a Rubicon transfer case. There is another guide on this forum that I listed below as an additional reference. The FSM also provides a lot of good information.
https://wranglertjforum.com/threads/how-to-rebuild-241-or-241or-transfer-case.44680/
https://wranglertjforum.com/threads/how-to-rebuild-241-or-241or-transfer-case.44680/