and Sumo said....
Wow!!! What was Sumo's response? I found them to be very responsive and helpful when I needed their guidance before installing front and rear on my ACE last year. My first reaction is that your rear axle was overloaded--max capacity is still limited by the max load per axle. Did you weigh the coach before the trip to make sure you were within the weight allowances? Glad you made it back safely. We did that trip summer of 2016 with the grandkids and it was spectacular.
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