July 25, 2016 Service bulletin

Radiator internal restriction and flush procedure

Workhorse technical service bulletin IK1200029 for 2011 Workhorse W22, 1997-1999, 2002-2013 International 4300 and 2002-2017 International Prostar and others.

Bulletin number: IK1200029
Component: Engine and engine cooling: cooling system: radiator assembly
Summary: Radiator internal restriction and flush procedure

Owners of these vehicles have filed 76 complaints in the engine category.

Vehicles covered

Workhorse W22 2011 2011
International 4300 1997-1999, 2002-2013 2006 2007 2008 2009 2010 2011 2012 2013
International Prostar 2002-2017 2010 2011 2012 2013 2014 2015 2016 2017
International School Bus 1990, 1999-2000, 2002 1990 1999 2000 2002
Ic Bus Ce 2007-2016 2009 2010 2011 2012 2013 2014 2015 2016
Ic Bus Cesb 2002-2011, 2016-2017 2006 2007 2008 2009 2010 2011 2016 2017
International Ce 1997-1998, 2002-2008, 2013 2002 2003 2004 2005 2006 2007 2008 2013
International International 1998-2003 1998 1999 2000 2001 2002 2003
International 4400 1997-1999, 2002-2014 2007 2008 2009 2010 2011 2012 2013 2014
Navistar 3800 1990 1990
International 3000 1998, 2002-2009, 2014 2003 2004 2005 2006 2007 2008 2009 2014
International 3800 2002-2004 2002 2003 2004
International 9400I 1994-1995, 2002-2008 1995 2002 2003 2004 2005 2006 2007 2008
International 7400 1999, 2002-2013 2006 2007 2008 2009 2010 2011 2012 2013
International 4000 1998, 2002-2009 2002 2003 2004 2005 2006 2007 2008 2009
International Lonestar 2007-2017 2010 2011 2012 2013 2014 2015 2016 2017
International 4700LP 1994-2002 1995 1996 1997 1998 1999 2000 2001 2002
International 9900 1994-2007, 2009-2011, 2013, 2015-2017 2007 2009 2010 2011 2013 2015 2016 2017
International Durastar 2003-2004, 2007-2017 2010 2011 2012 2013 2014 2015 2016 2017
International Terrastar 2007-2017 2010 2011 2012 2013 2014 2015 2016 2017
R-Vision Trail Sport 2011 2011
Ic Bus Casb 2013-2015 2013 2014 2015
International 4700 1990, 1996, 2000, 2002-2004 1990 1996 2000 2002 2003 2004
International 9400 1994-1995, 2002-2007, 2009-2013 2005 2006 2007 2009 2010 2011 2012 2013
International 9900I 1994-2008, 2017 2002 2003 2004 2005 2006 2007 2008 2017
International 3200 1997-2011 2004 2005 2006 2007 2008 2009 2010 2011
Ic Bus Resb 2001-2011, 2014-2017 2008 2009 2010 2011 2014 2015 2016 2017
Navistar School Bus Chassis 1990 1990
International 9200 1994-1995, 2002-2007, 2009-2013 2005 2006 2007 2009 2010 2011 2012 2013
International 9200I 1994-1995, 2002-2008 1995 2002 2003 2004 2005 2006 2007 2008
International 4200 1997-2010 2003 2004 2005 2006 2007 2008 2009 2010
International 5900I 2002-2010 2003 2004 2005 2006 2007 2008 2009 2010
International 8600 2002-2011, 2013 2005 2006 2007 2008 2009 2010 2011 2013
International Ic 2002-2003 2002 2003
International Re 2002-2009 2002 2003 2004 2005 2006 2007 2008 2009
International 1300 2006-2011, 2016 2006 2007 2008 2009 2010 2011 2016
Monaco Diplomat 2012-2013 2012 2013
Monaco Knight 2013 2013
Navistar School Bus 1990 1990
Navistar International 3800 1990 1990

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