just turned over 200K on my mostly well running 2010, and have a new job that's a 150 mile commute every day, and once I realized where it was coming from, I've had an ever increasing in loudness whine coming out of my rear end. Crawled under after one of my long commutes, and figured it was likely an axle bearing going, but both housing tubes at the ends were cold, but oh boy, yeah my rear end cover was pretty hot. I checked the fluid level on my lunch hour, and it was good, which I had put in about a year and a half ago when I swapped in a better rear end cover.... let a little drip out and didn't notice any obvious tell tale glitter, but I still need to pull the cover and get a better look see.... Anyone else have any rear end bearing or gear issues? I don't drag race the truck, the only time I've ever blown up rear ends, so I'm assuming it's just wear and tear.... Hoping it holds out for the rest of the month until I can get around to fixing it... the whine is pretty loud inside the truck, and gets louder every day. Wish it had a 9" instead of the 9.75, then swapping out another pumpkin would be easy, but alas... nope.