NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2003 THROUGH 2010 INTERNATIONAL TRUCKS AND IC COMMERCIAL BUSES MANUFACTURED FROM DECEMBER 4, 2001 THROUGH DECEMBER 14, 2009 EQUIPPED WITH INTERNATIONAL VT365 ENGINES HAVING ENGINE CALIBRATION PAN2PVR0, PAN2PVR1, OR PAN2PWR. THE ENGINE NORMALLY RESPONDS TO A FAILED OPEN ACCELERATOR POSITION SENSOR CIRCUIT FAULT BY RETURNING THE ENGINE TO LOW IDLE SPEED OF 800 RPM AND DISABLING THE DRIVER'S ABILITY TO INCREASE THE ENGINE SPEED. HOWEVER IF THE OPEN CIRCUIT CORRECTS ITSELF WITHIN 30 SECONDS OF INITIATION, ENGINE SPEED COULD SUDDENLY INCREASE TO A HIGH IDLE SPEED OF 1200 RPM.
NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2003 THROUGH 2010 INTERNATIONAL TRUCKS AND IC COMMERCIAL BUSES MANUFACTURED FROM DECEMBER 4, 2001 THROUGH DECEMBER 14, 2009 EQUIPPED WITH INTERNATIONAL VT365 ENGINES HAVING ENGINE CALIBRATION PAN2PVR0, PAN2PVR1, OR PAN2PWR. THE ENGINE NORMALLY RESPONDS TO A FAILED OPEN ACCELERATOR POSITION SENSOR CIRCUIT FAULT BY RETURNING THE ENGINE TO LOW IDLE SPEED OF 800 RPM AND DISABLING THE DRIVER'S ABILITY TO INCREASE THE ENGINE SPEED. HOWEVER IF THE OPEN CIRCUIT CORRECTS ITSELF WITHIN 30 SECONDS OF INITIATION, ENGINE SPEED COULD SUDDENLY INCREASE TO A HIGH IDLE SPEED OF 1200 RPM.
NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2003 THROUGH 2010 INTERNATIONAL TRUCKS AND IC COMMERCIAL BUSES MANUFACTURED FROM DECEMBER 4, 2001 THROUGH DECEMBER 14, 2009 EQUIPPED WITH INTERNATIONAL VT365 ENGINES HAVING ENGINE CALIBRATION PAN2PVR0, PAN2PVR1, OR PAN2PWR. THE ENGINE NORMALLY RESPONDS TO A FAILED OPEN ACCELERATOR POSITION SENSOR CIRCUIT FAULT BY RETURNING THE ENGINE TO LOW IDLE SPEED OF 800 RPM AND DISABLING THE DRIVER'S ABILITY TO INCREASE THE ENGINE SPEED. HOWEVER IF THE OPEN CIRCUIT CORRECTS ITSELF WITHIN 30 SECONDS OF INITIATION, ENGINE SPEED COULD SUDDENLY INCREASE TO A HIGH IDLE SPEED OF 1200 RPM.
ON CERTAIN SCHOOL AND TRANSIT BUSES THE STUDS USED TO SECURE THE POWER STEERING PUMP TO THE ENGINE BLOCK CAN FAIL, RESULTING IN ENGINE OIL LEAKAGE AND COMPLETE LOSS OF POWER STEERING. THE POWER STEERING PUMP IS DESIGNED TO PROVIDE POWER ASSIST TO BOTH THE STEERING SYSTEM AND THE HYDRAULIC BRAKING SYSTEM. SHOULD STUD FAILURE CAUSE THE PUMP TO BECOME DISENGAGED FROM ITS DRIVE GEARS, A REDUCTION OF THE FLUID FLOW RATE TO THE BRAKE SYSTEM COULD OCCUR AND POSSIBLY CAUSE AN EXTENDED STOPPING DISTANCE AS WELL AS INCREASED STEERING WHEEL EFFORTS.
ON CERTAIN SCHOOL AND TRANSIT BUSES THE STUDS USED TO SECURE THE POWER STEERING PUMP TO THE ENGINE BLOCK CAN FAIL, RESULTING IN ENGINE OIL LEAKAGE AND COMPLETE LOSS OF POWER STEERING. THE POWER STEERING PUMP IS DESIGNED TO PROVIDE POWER ASSIST TO BOTH THE STEERING SYSTEM AND THE HYDRAULIC BRAKING SYSTEM. SHOULD STUD FAILURE CAUSE THE PUMP TO BECOME DISENGAGED FROM ITS DRIVE GEARS, A REDUCTION OF THE FLUID FLOW RATE TO THE BRAKE SYSTEM COULD OCCUR AND POSSIBLY CAUSE AN EXTENDED STOPPING DISTANCE AS WELL AS INCREASED STEERING WHEEL EFFORTS.
THE PRESSURE RELIEF VALVE WAS OMITTED IN THE AIR TANK. THE AIR TANK IS THE RESERVOIR FOR THE AIR SUSPENSION AND IS NOT BRAKE RELATED. WITHOUT THE PRESSURE RELIEF VALVE, THERE IS NO BACK-UP SYSTEM TO LIMIT AIR PRESSURE IN THE AIR SUSPENSION SYSTEM.
THE PRESSURE RELIEF VALVE WAS OMITTED IN THE AIR TANK. THE AIR TANK IS THE RESERVOIR FOR THE AIR SUSPENSION AND IS NOT BRAKE RELATED. WITHOUT THE PRESSURE RELIEF VALVE, THERE IS NO BACK-UP SYSTEM TO LIMIT AIR PRESSURE IN THE AIR SUSPENSION SYSTEM.
THE PRESSURE RELIEF VALVE WAS OMITTED IN THE AIR TANK. THE AIR TANK IS THE RESERVOIR FOR THE AIR SUSPENSION AND IS NOT BRAKE RELATED. WITHOUT THE PRESSURE RELIEF VALVE, THERE IS NO BACK-UP SYSTEM TO LIMIT AIR PRESSURE IN THE AIR SUSPENSION SYSTEM.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
THE THROTTLE VALVE INSIDE THE HYDRAULIC BRAKE BOOSTER MAY DEFORM FROM BUILDUP OF HEAT AND PRESSURE AND CLOSE-OFF FLUID RETURN PORTS.
THE V BELT PULLEY, WHICH DRIVES THE HYDRAULIC PUMP PROVIDING POWER ASSIST FOR STEERING AND HYDRAULIC BRAKES, CAN FAIL.
THE V BELT PULLEY, WHICH DRIVES THE HYDRAULIC PUMP PROVIDING POWER ASSIST FOR STEERING AND HYDRAULIC BRAKES, CAN FAIL.