Supersedes Technical Service Bulletin Group 46 number 14-64 dated January 2, 2014. Customer may report hearing brake noise from front or rear brakes. Customers may describe these noises as a squeal, squeak, grinding, groaning, thumping, or creaking. Before proceeding with any of the following steps, check for any applicable TSBs for brake noise. Also refer to the Audi Brake Systems brochure for helpful information.