 The seals need to be good. It's not too hard to check them, jack them up, roll them, see what they sound like, make sure there's not a lot of extra end play in them. Those are little things that you can do. Tire pressures are up. Tires are not over, say, eight or seven or eight years old. Anything older than that, on a hot day, you've got a chance of having a tread separation and a blowout on the tire. There's a date code on the tires to tell how old they are. Just all good news is what you're saying here.