All four tires were slightly cupping, and the brakes made a thumping noise when they were depressed. dealership replaced the pads, lubed the front caliper slide pin, and replaced rotors. *ak vehicle experiencing problems with tires cupping. the following repairs were performed on the vehicle: engine replaced, brakes, replaced, alignment, battery wiring assembly repaired, dpfe sensor replaced. consumer asked dealer for a full refund on vehicle.*mr