{"nhtsa_id":10040181,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-08-16","date":"2010-12-15","document_id":"TIB-E011","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"PACCAR: ENGINEERING STANDARDS HAVE CHANGED AND THERE ARE NOW ENGINES WITH HEAT TREATED BOLTS. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10040181","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T660","year_from":2002,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T700","year_from":2007,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":1986,"year_to":2005,"match":"exact","vehicle_ids":["1986_kenworth_t800","1987_kenworth_t800","1988_kenworth_t800","1989_kenworth_t800","1990_kenworth_t800","1991_kenworth_t800","1992_kenworth_t800","1993_kenworth_t800","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":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800B","year_from":1995,"year_to":1996,"match":"base","vehicle_ids":["1995_kenworth_t800","1996_kenworth_t800"]},{"make":"KENWORTH","model":"T800B","year_from":2000,"year_to":2000,"match":"base","vehicle_ids":["2000_kenworth_t800"]},{"make":"KENWORTH","model":"T900","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"VIT","year_from":1980,"year_to":1982,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900","year_from":1975,"year_to":1978,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900","year_from":1982,"year_to":1983,"match":"exact","vehicle_ids":["1982_kenworth_w900","1983_kenworth_w900"]},{"make":"KENWORTH","model":"W900","year_from":1986,"year_to":1991,"match":"exact","vehicle_ids":["1986_kenworth_w900","1987_kenworth_w900","1988_kenworth_w900","1989_kenworth_w900","1990_kenworth_w900","1991_kenworth_w900"]},{"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":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900A","year_from":1975,"year_to":1980,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900A","year_from":1981,"year_to":1981,"match":"base","vehicle_ids":["1981_kenworth_w900"]},{"make":"KENWORTH","model":"W900B","year_from":1982,"year_to":1993,"match":"base","vehicle_ids":["1982_kenworth_w900","1983_kenworth_w900","1984_kenworth_w900","1985_kenworth_w900","1986_kenworth_w900","1987_kenworth_w900","1988_kenworth_w900","1989_kenworth_w900","1990_kenworth_w900","1991_kenworth_w900","1992_kenworth_w900","1993_kenworth_w900"]},{"make":"KENWORTH","model":"W900B","year_from":1995,"year_to":1997,"match":"base","vehicle_ids":["1995_kenworth_w900","1996_kenworth_w900","1997_kenworth_w900"]},{"make":"KENWORTH","model":"W900L","year_from":1990,"year_to":1994,"match":"base","vehicle_ids":["1990_kenworth_w900","1991_kenworth_w900","1992_kenworth_w900","1993_kenworth_w900","1994_kenworth_w900"]},{"make":"KENWORTH","model":"W900L","year_from":1997,"year_to":1997,"match":"base","vehicle_ids":["1997_kenworth_w900"]},{"make":"KENWORTH","model":"W900L","year_from":1999,"year_to":1999,"match":"base","vehicle_ids":["1999_kenworth_w900"]},{"make":"KENWORTH","model":"W900S","year_from":2010,"year_to":2010,"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":[]}