{"nhtsa_id":635429,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-10-23","date":"2002-04-22","document_id":"106","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"INFORMATION ON ANALYZING TRANSMISSION RELATED ISSUES BY A FULLY CERTIFIED AUTHORIZED ALLISON REPAIR FACILITY. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/635429","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"PIERCE","model":"PIERCE","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":[]}