the diffs are easy.. heres some quick tips though...

remove the fill plug first.. youll be pretty PO'd if you drain your diff then cant fill it

check your manual for capacities and oil weights

you will need two drain pans.. i dont think you can fit both differentials and the transmission all in one pan

when you start draining the front, you may need a long screwedriver or coathanger to poke some sludge out of the way since the drain hole is pretty small

dont try to tube the fluid in, if you get mobil1 you can just squeeze it from the bottle straight into the fill hole