Hi Willie B 1117,
That 26T is the Swiss Army Knife of Class Cs, to be sure. It sounds like that one brace was hand-tightened when the lunch whistle blew, and somebody forgot to finish tightening it down. A quick trip to the hardware store would be an easy fix. I do like those Nyloc nuts
, if that fits your application. Sometimes, things like that are quicker to fix yourself, but I would still let the dealership know it happened. Let us just hope your water heater works well (ha-ha-ha; yes, bad joke - I saw your other post
Welcome to the forum.