Jacking to change a tire or service brakes or bearings?

goducks10 wrote:
I don't like the Trailer aid because it puts too much weight on one axle. Using a jack under the U-bolts only lifts one axle, leaving the other tire on the ground still supporting 1/2 the weight. I have no idea if it really matters, it's just my concern.

I was waiting on this answer. My argument to that comment is one tire supports the whole side of the RV when going over a curb or other type of drop. Another one is the good tire already just rolled for a distance after the tire next to it popped.