I use a 4 foot pipe wrench braced against the floor to hold the pinion flange and a 3/4" drive socket and breaker bar with a 3 foot cheater pipe over the breaker bar. Be careful not to smash your knuckles when the nut turns loose!
Jerry
Wait, so are you saying I need to buy one of these?
http://www.harborfreight.com/48-inch-steel-pipe-wrench-1133.html You may have just given me the excuse I've been waiting for for years now.
