I have an 06 2wd CC non tow LE. Went up to the mountains last week and was hearing some new noises in the rear end area. Today got under the truck and what do you know the driver side axle oil seal has failed. I have fluid coming down the backing plate and all inside the rim. The truck has 44,000 miles. Anyone have any recomendations bout what I should threaten the dealershio with when I go in next week? Does the 60K drivetrain warranty cover something like this?