THE INTERNATIONAL DT 466 SCHOOL BUS ENGINE SUDDENLY EXPERIENCED EXTREME PERFORMANCE DEGRADATION WITHOUT ANY WARNING WHILE DRIVING. THE ENGINE STARTED A POPPING NOISE AND SEVERELY LACKED POWER. WE PURCHASED 75 SCHOOL BUSES IN 2008, AND 26 PERCENT OF THEM HAD ROLLER TAPPET GUIDES FAIL BY FEBRUARY 2013. IN EVERY CASE, THIS FAILU…
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THE INTERNATIONAL DT 466 SCHOOL BUS ENGINE SUDDENLY EXPERIENCED EXTREME PERFORMANCE DEGRADATION WITHOUT ANY WARNING WHILE DRIVING. THE ENGINE STARTED A POPPING NOISE AND SEVERELY LACKED POWER. WE PURCHASED 75 SCHOOL BUSES IN 2008, AND 26 PERCENT OF THEM HAD ROLLER TAPPET GUIDES FAIL BY FEBRUARY 2013. IN EVERY CASE, THIS FAILURE MODE RESULTED IN MAJOR DAMAGE TO ENGINE VALVE TRAIN COMPONENTS. TWO ENGINES OUT OF 26 TOTAL FAILURES TO DATE WERE NOT REPAIRABLE AND REQUIRED REPLACEMENT. THE CURRENT FAILURE HAS NOW GROWN TO 34 PERCENT. IT IS A SAFETY HAZARD TO SCHOOL CHILDREN AND OTHER VEHICLES WHEN A SCHOOL BUS ENGINE SUDDENLY EXPERIENCES SEVERE ENGINE DEGRADATION ON THE ROAD.
NAVISTAR HAS NOTIFIED NHTSA ABOUT A DEFECT IN CERTAIN MODEL YEAR 2010 AND 2011 IC CE, HC, AND BE COMMERCIAL BUSES AND INTERNATIONAL 1300, 3200, 3300, 4100, 4200, 4300, 4400, AND MXT TRUCKS MANUFACTURED FROM NOVEMBER 19, 2003 THROUGH FEBRUARY 9, 2010. THE PARKING BRAKE MAY RELEASE IF THE BRAKE SYSTEM ELECTRONIC CONTROL UNIT (ECU) SOFTWARE MISINTERPRETS INPUT SIGNALS GENERATED FROM CYCLING THE IGNITION SWITCH MORE THAN ONCE AT A SPECIFIC FREQUENCY.
Consequence & remedy
Consequence: RELEASE OF THE PARKING BRAKE MAY CAUSE SUDDEN, UNEXPECTED SHIFT IN VEHICLE POSITION POSSIBLY RESULTING IN PROPERTY DAMAGE, PERSONAL DAMAGE, OR DEATH.
Remedy: NAVISTAR WILL NOTIFY OWNERS AND WILL REPAIR THE VEHICLES BY REPROGRAMMING THE VEHICLE'S BRAKE SYSTEM ECU FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 14, 2010. OWNERS MAY CONTACT NAVISTAR AT 1-260-461-1890.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1
PE12011 · High Pressure Oil Line Rupture
Opened Apr 16, 2012 · Closed Oct 2, 2012
Status: closed (inferred from source dates) · Engine And Engine Cooling; Engine And Engine Cooling:engine:diesel
On April 16, 2012 the Office of Defects Investigation (ODI) opened this Preliminary Evaluation (PE12-011) to assess the risks associated with rupture of the high pressure oil line to the fuel injectors causing an engine stall in model year (MY) 2008 International CE school buses equipped with International I-6 diesel engines.On August 31, 2012 ODI received Navistar's response to its August 2, 2012, information request letter and identified 3 consumer complaints with one involving an oil line rupture that resulted in an engine compartment fire.ODI also identified 470 warranty claims related to the defect.This calculates to a warranty rate of 2.8 percent for the subject population.Navistar has released two Technical Service Information (TSI) bulletins and two iKNow (information) articles pertaining to the high pressure hose in the I-6 engine.Following discussions with ODI concerning the warranty rate, consumer complaints and interviews, and the risk to students resulting from a stranded bus, Navistar decided to submit recall notices (12V-473 and 12V-476) on the subject vehicles to address the high pressure hose failures.Navistar's recall actions address the issues raised by this investigation and as a result this investigation is closed.The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10450319 and 10455151.
Additional source detail variants (4)
Engine And Engine Cooling:engine:diesel
On April 16, 2012 the Office of Defects Investigation (ODI) opened this Preliminary Evaluation (PE12-011) to assess the risks associated with rupture of the high pressure oil line to the fuel injectors causing an engine stall in model year (MY) 2008 International CE school buses equipped with International I-6 diesel engines.On August 31, 2012 ODI received Navistar's response to its August 2, 2012, information request letter and identified 3 consumer complaints with one involving an oil line rupture that resulted in an engine compartment fire.ODI also identified 470 warranty claims related to the defect.This calculates to a warranty rate of 2.8 percent for the subject population.Navistar has released two Technical Service Information (TSI) bulletins and two iKNow (information) articles pertaining to the high pressure hose in the I-6 engine.Following discussions with ODI concerning the warranty rate, consumer complaints and interviews, and the risk to students resulting from a stranded bus, Navistar decided to submit recall notices (12V-473 and 12V-476) on the subject vehicles to address the high pressure hose failures.Navistar's recall actions address the issues raised by this investigation and as a result this investigation is closed.The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10450319 and 10455151.
Engine And Engine Cooling:engine:diesel
On April 16, 2012 the Office of Defects Investigation (ODI) opened this Preliminary Evaluation (PE12-011) to assess the risks associated with rupture of the high pressure oil line to the fuel injectors causing an engine stall in model year (MY) 2008 International CE school buses equipped with International I-6 diesel engines.On August 31, 2012 ODI received Navistar's response to its August 2, 2012, information request letter and identified 3 consumer complaints with one involving an oil line rupture that resulted in an engine compartment fire.ODI also identified 470 warranty claims related to the defect.This calculates to a warranty rate of 2.8 percent for the subject population.Navistar has released two Technical Service Information (TSI) bulletins and two iKNow (information) articles pertaining to the high pressure hose in the I-6 engine.Following discussions with ODI concerning the warranty rate, consumer complaints and interviews, and the risk to students resulting from a stranded bus, Navistar decided to submit recall notices (12V-473 and 12V-476) on the subject vehicles to address the high pressure hose failures.Navistar's recall actions address the issues raised by this investigation and as a result this investigation is closed.The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10450319 and 10455151.
Engine And Engine Cooling
On April 16, 2012 the Office of Defects Investigation (ODI) opened this Preliminary Evaluation (PE12-011) to assess the risks associated with rupture of the high pressure oil line to the fuel injectors causing an engine stall in model year (MY) 2008 International CE school buses equipped with International I-6 diesel engines.On August 31, 2012 ODI received Navistar's response to its August 2, 2012, information request letter and identified 3 consumer complaints with one involving an oil line rupture that resulted in an engine compartment fire.ODI also identified 470 warranty claims related to the defect.This calculates to a warranty rate of 2.8 percent for the subject population.Navistar has released two Technical Service Information (TSI) bulletins and two iKNow (information) articles pertaining to the high pressure hose in the I-6 engine.Following discussions with ODI concerning the warranty rate, consumer complaints and interviews, and the risk to students resulting from a stranded bus, Navistar decided to submit recall notices (12V-473 and 12V-476) on the subject vehicles to address the high pressure hose failures.Navistar's recall actions address the issues raised by this investigation and as a result this investigation is closed.The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10450319 and 10455151.
Engine And Engine Cooling
On April 16, 2012 the Office of Defects Investigation (ODI) opened this Preliminary Evaluation (PE12-011) to assess the risks associated with rupture of the high pressure oil line to the fuel injectors causing an engine stall in model year (MY) 2008 International CE school buses equipped with International I-6 diesel engines.On August 31, 2012 ODI received Navistar's response to its August 2, 2012, information request letter and identified 3 consumer complaints with one involving an oil line rupture that resulted in an engine compartment fire.ODI also identified 470 warranty claims related to the defect.This calculates to a warranty rate of 2.8 percent for the subject population.Navistar has released two Technical Service Information (TSI) bulletins and two iKNow (information) articles pertaining to the high pressure hose in the I-6 engine.Following discussions with ODI concerning the warranty rate, consumer complaints and interviews, and the risk to students resulting from a stranded bus, Navistar decided to submit recall notices (12V-473 and 12V-476) on the subject vehicles to address the high pressure hose failures.Navistar's recall actions address the issues raised by this investigation and as a result this investigation is closed.The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers: 10450319 and 10455151.
2008 International Ce Problems, Complaints & Recalls | Skip That Year
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