I did mine during a routine oil change, so I'm not too sure if your going to get a soaking? Probably if you put the right side wheels on blocks or a ramp, it shouldn't run out. The only pain was undoing all the linkages, if you have enough slack in them, you might get away with leaving them in...
Mine did exactly the same. In fact I kept a mallet in the Cruiser as standard equipment to get into and out of 4wd. The shaft is lubed by the transfer case oil, but if it has surface rust on it, trust me, it's easier to strip & clean than smacking it around all day.
There are 4 bolts holding...