No. The one in our 2011 Sunseeker 3100 on a 2010 Ford E450 chassis works fine. It doesn't have a lot of adjustment.
It should still be under the Ford warranty. If your local dealer won't work on it, call the Ford Motorhome Assist number in your owner's manual to find one who will. Some won't because they can't get a motorhome in their shop.
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RamblerGuy
2011 Sunseeker 3100
2016 Ford Edge Toad