{"nhtsa_id":10056911,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-03-11","date":"2015-02-27","document_id":"TIB-13-040","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:MULTIPLE AXLE","mfr_system":null,"summary":"KENWORTH: SOME TRUCKS FAILED TO MEET COMPANY STANDARDS FOR AIR VOLUME LIFT AXLE AND THE COMPANY WILL INCREASE AIR VOLUME FOR WORTHWHILE IMPROVEMENT TO EXCEED GOVERNMENT FMVSS 121. MODEL T800, W900. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056911","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T800","year_from":1994,"year_to":2005,"match":"exact","vehicle_ids":["1994_kenworth_t800","1995_kenworth_t800","1996_kenworth_t800","1997_kenworth_t800","1998_kenworth_t800","1999_kenworth_t800","2000_kenworth_t800","2001_kenworth_t800","2002_kenworth_t800","2003_kenworth_t800","2004_kenworth_t800","2005_kenworth_t800"]},{"make":"KENWORTH","model":"T800","year_from":2006,"year_to":2015,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800B","year_from":1996,"year_to":1996,"match":"base","vehicle_ids":["1996_kenworth_t800"]},{"make":"KENWORTH","model":"T800B","year_from":2000,"year_to":2000,"match":"base","vehicle_ids":["2000_kenworth_t800"]},{"make":"KENWORTH","model":"W900","year_from":1994,"year_to":2005,"match":"exact","vehicle_ids":["1994_kenworth_w900","1995_kenworth_w900","1996_kenworth_w900","1997_kenworth_w900","1998_kenworth_w900","1999_kenworth_w900","2000_kenworth_w900","2001_kenworth_w900","2002_kenworth_w900","2003_kenworth_w900","2004_kenworth_w900","2005_kenworth_w900"]},{"make":"KENWORTH","model":"W900","year_from":2006,"year_to":2015,"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":[]}