I was in a wreck last year and my rear axle took a hard hit so i replaced it with a used one with 4.10 gears. I replaced every seal and bearing on the axle. After driving it for a while i decided my brakes werent doing their job, pulled off the rear drums and there was gear oil all over everything. So I cleaned everything up and replaced the seals for the hub. Drove it a few days. Now theres a light coating of oil back in the drums... I dont think the mating surface for the seals on this new axle is as good as it should be. Are there any tricks to try to make them seal up better or do you guys have any other ideas of what could be wrong?