[THEFERMANATOR]

I don't know about expert(although some consider me one). Which seal is leaking? Is it the pinion or an axle seal? If it is a pinion seal there is a good chance that more is wrong with it than just a seal. If you have a 6 in that thing then you have a DANA 35, if it's an 8 you have the HYBRID 44 in it. If it's just an axle seal, that is no big deal to replace. Put it on jackstands and remove the wheel, caliper and rotor.IIRC that axle should be a non c-clip style, if so there will be a hole in the axle flange in between 2 wheel studs. If the flange is solid then it is a c-clip axle and you'll have to remove the cover to get the cross shaft out to remove the C-clip. If you have the hole in the flange(which I think you should have) then remove the 4 nuts that are right close to the axle and then slide the axle out. The seal will actually be down inside the axle tube, and there should also be an O-ring around the bearing on most. I'll get you a picture of what your looking for here shortly for around the axle and such.