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Technical Service Bulletins of the 1980 Kenworth W900a

There have been 2 technical service bulletins issued for the 1980 Kenworth W900a.

1 1980 Kenworth W900a cooling exhaust system TSB (Bulletin TIB-E011)

Bulletin Date: Dec. 15, 2010
Component: Cooling exhaust system.
Bulletin Summary: Paccar: engineering standards have changed and there are now engines with heat treated bolts.
Vehicles covered in this TSB:
2002 Kenworth T660, 2003 Kenworth T660, 2004 Kenworth T660, 2005 Kenworth T660, 2006 Kenworth T660, 2007 Kenworth T660, 2008 Kenworth T660, 2009 Kenworth T660, 2010 Kenworth T660, 2011 Kenworth T660, 2012 Kenworth T660, 2007 Kenworth T700, 2008 Kenworth T700, 2009 Kenworth T700, 2010 Kenworth T700, 2011 Kenworth T700, 2012 Kenworth T700, 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, 2006 Kenworth T800, 2007 Kenworth T800, 2008 Kenworth T800, 2009 Kenworth T800, 2010 Kenworth T800, 2011 Kenworth T800, 2012 Kenworth T800, 1995 Kenworth T800b, 1996 Kenworth T800b, 2000 Kenworth T800b, 2002 Kenworth T900, 1980 Kenworth VIT, 1981 Kenworth VIT, 1982 Kenworth VIT, 1975 Kenworth W900, 1976 Kenworth W900, 1977 Kenworth W900, 1978 Kenworth W900, 1982 Kenworth W900, 1983 Kenworth W900, 1986 Kenworth W900, 1987 Kenworth W900, 1988 Kenworth W900, 1989 Kenworth W900, 1990 Kenworth W900, 1991 Kenworth W900, 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, 2006 Kenworth W900, 2007 Kenworth W900, 2008 Kenworth W900, 2009 Kenworth W900, 2010 Kenworth W900, 2011 Kenworth W900, 2012 Kenworth W900, 1975 Kenworth W900a, 1976 Kenworth W900a, 1977 Kenworth W900a, 1978 Kenworth W900a, 1979 Kenworth W900a, 1980 Kenworth W900a, 1981 Kenworth W900a, 1982 Kenworth W900b, 1983 Kenworth W900b, 1984 Kenworth W900b, 1985 Kenworth W900b, 1986 Kenworth W900b, 1987 Kenworth W900b, 1988 Kenworth W900b, 1989 Kenworth W900b, 1990 Kenworth W900b, 1991 Kenworth W900b, 1992 Kenworth W900b, 1993 Kenworth W900b, 1995 Kenworth W900b, 1996 Kenworth W900b, 1997 Kenworth W900b, 1990 Kenworth W900l, 1991 Kenworth W900l, 1992 Kenworth W900l, 1993 Kenworth W900l, 1994 Kenworth W900l, 1997 Kenworth W900l, 1999 Kenworth W900l, 2010 Kenworth W900s.

2 1980 Kenworth W900a diesel engine TSB (Bulletin TIB-E-009)

Bulletin Date: Dec. 2, 2010
Component: Diesel engine.
Bulletin Summary: Paccar: a software update is causing the check engine light to come on.
Vehicles covered in this TSB:
2002 Kenworth T660, 2003 Kenworth T660, 2004 Kenworth T660, 2005 Kenworth T660, 2006 Kenworth T660, 2007 Kenworth T660, 2008 Kenworth T660, 2009 Kenworth T660, 2010 Kenworth T660, 2011 Kenworth T660, 2012 Kenworth T660, 2007 Kenworth T700, 2008 Kenworth T700, 2009 Kenworth T700, 2010 Kenworth T700, 2011 Kenworth T700, 2012 Kenworth T700, 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, 2006 Kenworth T800, 2007 Kenworth T800, 2008 Kenworth T800, 2009 Kenworth T800, 2010 Kenworth T800, 2011 Kenworth T800, 2012 Kenworth T800, 1995 Kenworth T800b, 1996 Kenworth T800b, 2000 Kenworth T800b, 2002 Kenworth T900, 1980 Kenworth VIT, 1981 Kenworth VIT, 1982 Kenworth VIT, 1975 Kenworth W900, 1976 Kenworth W900, 1977 Kenworth W900, 1978 Kenworth W900, 1982 Kenworth W900, 1983 Kenworth W900, 1986 Kenworth W900, 1987 Kenworth W900, 1988 Kenworth W900, 1989 Kenworth W900, 1990 Kenworth W900, 1991 Kenworth W900, 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, 2006 Kenworth W900, 2007 Kenworth W900, 2008 Kenworth W900, 2009 Kenworth W900, 2010 Kenworth W900, 2011 Kenworth W900, 2012 Kenworth W900, 1975 Kenworth W900a, 1976 Kenworth W900a, 1977 Kenworth W900a, 1978 Kenworth W900a, 1979 Kenworth W900a, 1980 Kenworth W900a, 1981 Kenworth W900a, 1982 Kenworth W900b, 1983 Kenworth W900b, 1984 Kenworth W900b, 1985 Kenworth W900b, 1986 Kenworth W900b, 1987 Kenworth W900b, 1988 Kenworth W900b, 1989 Kenworth W900b, 1990 Kenworth W900b, 1991 Kenworth W900b, 1992 Kenworth W900b, 1993 Kenworth W900b, 1995 Kenworth W900b, 1996 Kenworth W900b, 1997 Kenworth W900b, 1990 Kenworth W900l, 1991 Kenworth W900l, 1992 Kenworth W900l, 1993 Kenworth W900l, 1994 Kenworth W900l, 1997 Kenworth W900l, 1999 Kenworth W900l, 2010 Kenworth W900s.