Thanks everyone for your input. We did remove all the wheels, lubed the supension, looked at the calipers and sanded a little rust off the disks, but other than that everything looked fine. Even the tires looked in good shape - no cracking or drying out, etc. Pressure was a little low but they were all the same pressure so I'd bet the dealer aired them up based on an E rated tire that most 5th wheels have instead of the 17.5" rating. I'll put a TPMS on them when we tow it down here so we can see if there are any problems along the way. Again, thanks, you've all been very helpful.
gd
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