This morning on our way out, the passenger wheel was squealing while driving the truck. It warmed up and then the squealing stopped. I don't think it's the brakes because I get zero pull in either direction and the wheel wasn't especially warm. Is this a classic sign of the non-serviceable wheel bearing going bad?

 

Sounds like it could be the bearing, I would jack the truck up on that side and see how much wheel play you have. Take the tire and move the top in and the bottom out a couple of times, then try the same thing left and right, this will tell you how loose the bearings are. You should have a little play left and right because of the steering but little to no play top and bottom. When my bearing was going out I had a lot of play top and bottom and it would grind/click when I turned left. It also never hurts to check the breaks also.

 

I'll give the wheel a look to see if I can feel any play. I just had the entire front end apart last month. I replaced the ball joints, needle bearings, axle u-joints, inner axle oil seals, all dust seals, o-rings, ESOF hub service, etc. I packed the needle bearings and lubed everything up good. I'll check the brakes again too. I recently performed the caliper slide pin upgrade. I've always heard the front ends on these trucks have a reputation.

 

make sure everything is tight including bolts.