I am trying to remove the transmission lines from my radiator. Never seen this setup before. It has black clips on it, that I removed to get to what I thought was a nut underneath. How do these separate from the radiator. thanks

 

You have 2 other threads regarding your radiator and removal, one in which you haven't answered the question as to what year your truck is. Keep the questions pertaining to the same issue in the same thread to keep the confusion down. I'm guessing you have a 04+.
Search " radiator removal" in the 04-08 section