Ok, I pulled that heavy mother out from under the truck and now I plan to replace all of the seals and gaskets (After disassembly. Help please! If you have taken one of these apart, please let me know if there are any special tools I need, or any pitfalls to look out for. Do the yokes come off fairly easy? How do you hold back pressure so you can loosen the nut? Thanks in advance for your help.