{"nhtsa_id":10026728,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-12-09","date":"2008-09-17","document_id":"TIB-26-14","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:MANUAL TRANSMISSION:LUBRICANT","mfr_system":null,"summary":"KENWORTH TRUCKS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CHASSIS' ORDERED WITH SYNTHETIC TRANSMISSION FLUID BUT MAY HAVE HAD NON SYNTHETIC FLUID INSTALLED AT THE KENWORTH FACTORY. CSC LETTER WAS RECEIVED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10026728","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T2000","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T600","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T660","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900","year_from":2008,"year_to":2008,"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":[]}