I have a Sahara 4xe with 11,000 miles and 0 modifications. We have had only 1 problem with the Jeep in 8 months of ownership, a CEL for the gas cap. Recently, I am hearing a lot of noise coming from the rear end. It sounds like it is coming from the suspension. It’s hard to describe the noise, but I would say it sounds like if you jumped up and down on the bumper of an old truck. Has anyone else had suspension issues?