2011 INTERNATIONAL 4300

POWER TRAIN:AUTOMATIC TRANSMISSION

Navistar Inc. (Navistar) is recalling certain model year 2010-2011 IC bus 3200, model year 2012 and 2014 IC bus CE and model year 2011-2013 IC bus HC transit buses and model year 2008-2013 International 4300 and model year 2013 International Workstar commercial trucks equipped with Eaton hybrid automated transmissions. The software controlling the affected transmissions may improperly raise the vehicle's engine speed during downshifts without the driver's input.

Risk: The increase in engine speed may result in unintended acceleration, increasing the risk of a crash.

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

DUECO Inc. (DUECO), a manufacturer of utility vehicles, is recalling certain Dueco-modified model year 2009-2011 International 4300, 2010 International 4400, 2009 and 2011 International 7400, 2010 Freightliner M2, 2008-2009 GMC C5500, and 2011 Ford F-750 vehicles, equipped with Sure Power DC-DC converters containing a particular epoxy sealing, aka 'potting', compound. The specific potting compound used in the subject products for insulation was found to be capable of conducting electricity after being exposed to heat.

Risk: Once electrically conductive, the material is capable of melting and burning, increasing the risk of a fire.

SERVICE BRAKES, HYDRAULIC

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.

Risk: RELEASE OF THE PARKING BRAKE MAY CAUSE SUDDEN, UNEXPECTED SHIFT IN VEHICLE POSITION POSSIBLY RESULTING IN PROPERTY DAMAGE, PERSONAL DAMAGE, OR DEATH.

ENGINE AND ENGINE COOLING

NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2011 INTERNATIONAL COMMERCIAL TRUCKS MODELS 4300 AND 4400 AND 2011 IC BUS MODELS CE AND HC COMMERCIAL BUSES MANUFACTURED FROM FEBRUARY 25, 2010, THROUGH SEPTEMBER 20, 2010. THE ENGINE TURBO OIL SUPPLY LINE MAY RUB ON THE FRAME RAIL POSSIBLY CAUSING AN OIL LEAK IN THE ENGINE COMPARTMENT.

Risk: AN OIL LEAK IN THE ENGINE COMPARTMENT MAY CAUSE A FIRE.

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NAVISTAR HAS NOTIFIED NHTSA OF A DEFECT ON CERTAIN MODEL YEAR 2008-2011 INTERNATIONAL TRUCKS EQUIPPED WITH AN OPTIONAL JUMP START STUD. CORROSION AT THE BASE OF THE STUD MAY CAUSE AN ELECTRICAL SHORT BETWEEN THE STUD AND BATTERY BOX.

Risk: AN ELECTRICAL SHORT MAY CAUSE A VEHICLE FIRE.

ENGINE AND ENGINE COOLING

NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2011 INTERNATIONAL 4300 COMMERCIAL TRUCKS MANUFACTURED FROM AUGUST 3, 2010, THROUGH NOVEMBER 23, 2010, EQUIPPED WITH MAXXFORCE 7 ENGINES. THE FUEL LINES AND TRANSMISSION ELECTRICAL HARNESS MAY HAVE BEEN ROUTED TOO CLOSE TO THE ENGINE TURBO EXHAUST PIPE POSSIBLY CAUSING THE FUEL LINE TO LEAK FUEL ON THE TURBO PIPE OR CAUSING THE MELTING AND POSSIBLE BURNING OF THE ELECTRICAL HARNESS.

Risk: FUEL LEAKING ON THE TURBO EXHAUST PIPE OR A MELTING OR BURNING ELECTRICAL HARNESS MAY CAUSE A VEHICLE FIRE POSSIBLY RESULTING IN PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.