{"nhtsa_id":10067228,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-05-23","date":"2014-03-04","document_id":"CSP-14043","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"14043 - CUSTOMER SATISFACTION. CERTAIN VEHICLES, EQUIPPED WITH AN ALLISON 6-SPEED AUTOMATIC TRANSMISSION (MW7), MAY HAVE BEEN BUILT WITH AN INCORRECT TRANSMISSION THRUST BEARING. OVER TIME, THIS BEARING COULD FAIL, RESULTING IN NOISE AND POOR TRANSMISSION OPERATION. DEALERS ARE TO REPLACE THE THRUST BEARING.","document":null,"url":"https://open.wenmarpro.com/bulletins/10067228","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2012,"year_to":2012,"match":"base","vehicle_ids":["2012_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2012,"year_to":2012,"match":"base","vehicle_ids":["2012_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2012,"year_to":2012,"match":"base","vehicle_ids":["2012_gmc_sierra"]}],"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":[]}