I bought a 2008 Titan with 60k on it a few months ago and in that time I've noticed the front pinion seal leaking. I have a buddy who is a machanic and we started to replace the seal at his shop today. We were having a really tough time getting the pinion nut off and once we got it about half way off and could see some of the threads on the nut we could see it had been cross threaded and that's why it was so tough to get off. :crying:Not having a replacement nut and we didn't take the nut off and instead put it back together without replacing the seal. I'm almost positive the seal hadn't been replaced before, which would mean the factory did that, which seems hard to believe. My machanic friend is worried the threads on the shaft may also be messed up and have to be rethreaded which won't be easy. My question is has anyone else had this happen? If so what was the damage and what did you do? Also does anyone know the part number for that nut and what it costs?