{"nhtsa_id":607978,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-10-22","date":"1999-09-01","document_id":"010999","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT","mfr_system":null,"summary":"CONCERNS WITH FRONT DIFFERENTIAL NOISE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/607978","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"differential","name":"Differential","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"HONDA","model":"TRX300","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"HONDA","model":"TRX300FW","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"HONDA","model":"TRX400FW","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"HONDA","model":"TRX450ES","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"HONDA","model":"TRX450S","year_from":null,"year_to":null,"match":"exact","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":[]}