If you use a friction sway bar, loosen it up and take the inner piece out and wipe it down with a dry cloth that has no lubricant on it.
Model X19H Expandable
GMC Sierra Pick up
Been a camper since I was a kid, and that was a long time ago :)
From pup tents with no floors, to tents with floors and flies, to a pop up, to the expandable.