It all started by helping someone that was stuck in a mud hole. I had the confidence in pulling him out.
After a couple of attempts in 4lo rear locked, in a slippery snowy surface... Someone noticed a puddle of oil.
Was still powering the rear wheels UNTIL i pulled back onto pavement and decided to pull it out of 4HI locked to 4HI. Then all of a sudden it would not power any wheels! Tried 4LO locked and reverse. Nothing at all. Had to be towed home.
Bought a front diff from an 04 2500HD and is totally different than my front case!
Im still in need of a good used front diff case...
heres some pics: