first remove the pan and tailshaft housing
next remove the filter and valve body
next remove the bellhousing/pump
next remove all internal parts keeping them in order
then at last you have gotten to the little snap ring that holds the output shaft in
then remove the snap ring and enjoy the moment when you have the the old shaft out!
now install 4x4 output shaft and snap ring
now reinstall all internal parts
now install inputshaft and bellhousing/pump
new 4x4 tailshaft housing
now reinstall the valvebody
and a new 4x4 filter
next the 4x4 pan (4x2 is different and not as deep)
then adjust the bands
next stand back have a miller lite and enjoy your work
tomorrow or the next day i will start putting the truck back together!