{"nhtsa_id":10055497,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-06-04","date":"2014-03-01","document_id":"PB-14043","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"CHEVROLET/GMC: AT TIME OF PRODUCTION, SOME VEHICLES WERE MANUFACTURED WITH AN INCORRECT TRANSMISSION THRUST BEARING, THAT CAN RESULT IN NOISE AND POOR OPERATION OF TRANSMISSION. MODEL 2012 SILVERADO HD, SIERRA HD. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10055497","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO","year_from":2012,"year_to":2012,"match":"exact","vehicle_ids":["2012_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA","year_from":2012,"year_to":2012,"match":"exact","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":[]}