Changed out most of the fluids today.
Engine Oil - Rotella 15w40 (was low, only about 6 quarts came out). Purolator 34631. I had some water drain out when I took off the old filter, no idea if that means I have coolant contamination issues or what but it was not mixed and milky looking, it was just a small amount of plain water drizzling out as I unscrewed the old one, then came the oil trapped in the filter housing.
ATF - I didn't touch the ATF because it was at the correct level, and nice and red and does not smell burned, I will save this for another day when I do the transmission filter.
Transfer case - Dexron III (was low, only about 3 quarts came out, I couldn't touch the top of the fluid from the fill hole with my finger.) The stuff that came out was bright red and did not smelled burned. Refilled with a gallon.
***Front Diff - Gear oil came out the moment I opened the fill port, it was overfilled which seems impossible unless I have some vampire issues with the vent tube? Replaced with Valvoline 80-90w, liquid pipe thread sealant on the plugs
Rear Diff - Valvoline 80-90w, liquid pipe thread sealant on the plugs
Hubs - I will definitely be buying an impact wrench for the lug nuts, that was about 30 minutes of fun per wheel. The hubs didn't have leaks around the covers as best as I could tell, and they all had fluid in them still except the left rear which had a loose drain plug and was only about half full. I used a liquid pipe thread sealant on the drain plugs.
Drained a pint of fuel from the petcock valve, came out very yellow, no water, just yellow and clear.
Discovered that I have a rear ball joint on some control arm that is shot, the wheel wiggles left to right. I have also saw a bolt that is loose on the front end of part of a driveshaft, inside the yoke.