I've always applied only enough heat with a torch so the nylon oozes all out as to not bend the weld yoke when pressing it out possibly putting the DS out of balance. Ray
Since the factory injected the nylon (I assume to prevent the U joint cap from slipping out during use), what or how do I inject nylon back?o No:
I read somewhere that the nylon will shear when the u-joint is being pressed out. As a matter of fact I just replaced my u-joints this past weekend using a freebie u-joint press from my local auto parts. It went quite smoothly with no hitch, about 10-15 minutes on each u-joint, they just pressed out easy shearing off the nylon. The new u-joints have clips to keep the u-joints in place. Good Luck!