IF YOU CONFIRM: The rear brakes squeak when braking while the brakes are at normal operating temperature AND the applied vehicle is equipped with single piston rear brake calipers. ACTION: Replace the hardware on both rear brake calipers with the kit listed in PARTS INFORMATION in this bulletin. NOTE: Machining of the rotors is not necessary. Refer to the Electronic Service Manual (ESM), section BR-Brake System, for removal and installation. See this bulletin for further detail.