I just finished up my pictorial on how to replace your pitman arm for all the DIY'ers.
Click the link and scroll down toward the bottom of the page.
http://dieselgiant.com/dodge_diesel_maintenance_tips.htm

Enjoy!

Any of those tranny tips apply to th 48RE?? I am at 25k and do occassional heavy towing. I contacted my Dodge Dealership and they said to wait till about 50k to change at the earliest.