Our coach, #604, is a 2001 and the few times I tried to dump the air in the tag to turn more sharply, I thought the coach was going to drag on the ground. It really settled down. So I quit doing it.
Yes, our coach makes big turns at RV parks, etc, but seldom a serious problem. I don't think the "hostlers" at Newell dump the air as they move the coaches in & out of the service shop stalls. Lots of rubber rubbed off on the concrete around Newell's shop. Just put a dog out for a walk around there and look at their feet afterward.
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