{"nhtsa_id":10054105,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-12-20","date":"2013-11-01","document_id":"FSB-512-002","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:DISC:PADS; SERVICE BRAKES, AIR:DISC:ROTOR; SERVICE BRAKES, AIR:DISC","mfr_system":null,"summary":"MACK: AIR DISC BRAKE EXPERIENCING THERMAL OVERLOAD CONDITION THAT OVER ADJUSTMENT OF NORMAL PAD WEAR COMPENSATION THAT MAINTAINS RUNNING CLEARANCE BETWEEN BRAKE PAD AND ROTOR AND REDUCES RUNNING CLEARANCE BELOW DESIRED LEVEL. MODEL CHU, CXU, GU, LEU, MRU, TD. NO YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10054105","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"brake-pad","name":"Brake pads","parent":"brakes"},{"id":"brake-rotor","name":"Brake rotor","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CHU","year_from":2013,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2010,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GRANITE (GU)","year_from":2012,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2010,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"LEU","year_from":2010,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"MRU","year_from":2010,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CHU)","year_from":2011,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"PINNACLE (CXU)","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"TD","year_from":2012,"year_to":2012,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}