Originally Posted by Explorer Rob
Very common with the air-suspension. Mine did it in the entry position. Once I installed taller tires, it did it in the normal position. I fixed mine by taking a heat gun to the large bump and pushed it in till the plastic hardened back up. It isn't as pretty as it once was but at least it doesn't rub anymore in any position.
Really poor design. But I'm not in the entry position and I have stock tires.