{"nhtsa_id":10034085,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-10-18","date":"2010-10-01","document_id":"FA-2009FA04","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","mfr_system":null,"summary":"ALLISON TRANSMISSION SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE T-10 BEARING SURFACE ON MOTOR B ROTOR MAY NOT HAVE A FLAT SURFACE AND CAUSE THE T-10 BEARING TO FAIL. WHEN THE T-10 BEARING FAILS, DEBRIS CAN BE DISTRIBUTED THROUGHOUT THE DRIVE UNIT CAUSING CONSEQUENTIAL DAMAGE TO THE MOTORS AND PLANETARIES. NO MODEL OR MODEL YEARS LISTED. CSC LETTER WAS REC'D. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034085","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"TRANSMISSION","year_from":null,"year_to":null,"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":[]}