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Gotcha, but why is the outer bearing allowed to get oil splashed on it that takes the grease off? Engineering theory I suppose.

Does anyone know the engineering reason why these hubs have a greased portion in the bearing and then a 80/90 w gear oil bath in the planetaries? Seems like the oil would flush out the grease. This is actually what I found. Doesn't make sense at this point:shrugs::shrugs::shrugs:

No, I did not pull the seal closest to the engine on the spindle. Seemed in good shape, but I still could, since the hub is not back on yet. Is this one CTIS too? You can see the seal that I did not pull in the second picture. Is this the same size as the other seals on the spindle?

This is the second tool that I developed for repacking the bearings and replacing the seals. While the tub is nothing special, and they have them for semi-trucks, the challenge is using them on FMTV wheels. Semi's have concave wheels, which act as support for the tub. Ours are convex. I used...

Mil spec 20# sledge proved handy. Seals were in ok shape, but less flexible, so I replaced them. There are 2 in each hub for the CTIS. There is a third seal at the base of the hub, which I opted not to replace. I used my 3 and 7/8" socket to drive the seals lightly with a 5# sledge. Does the...

My truck came from a snow / salt region. Thus, my drums are seized. Here is my removal device. Made it with a Harbor Freight engine stand I had and a bottle jack. Chains rated at 11k # x 4. Hooks (rated at 10k #)came from HF too. This tool require reinforcement at the 4 swing out arms, as they...