Actually I understand very clearly. What you did shouldn't hurt anything. As far as the grinding you heard in the past, come to a complete stop, place the vehicle in park and then shift from 4lo to high range. Placing it in park will prevent the transmission from spining when you hit neutral on the transfer case. Therefore it shouldn't grind for you.
Again, you didn't do anything wrong. It will be fine.
Let me know if you have other questions.
Monday, April 12th, 2010 AT 7:28 PM