Thatās one thing that keeps me from taking my boat on longer trips. Like up north smallie fishing. If Iām driving back and forth from the lake (4hours each way) I check them for heat at every stop. Then I jack it up and inspect them after the trip. Usually put 2 pumps in each side if everything looks ok. I carry everything in the truck to swap out hubs including floor jack.
I smoked one shortly after paying a place to repack them. It was dry as a bone. Now I do it myself. BTW new hubs are about the same price as paying someone to repack them.