2000 International Harvester 4700 LPX

ON CERTAIN SCHOOL AND TRANSIT BUSES BUILT WITH BOSCH ZERO OFFSET PIN SLIDE (ZOPS) HYDRAULIC DISC BRAKES, THE ZOPS HYDRAULIC DISC BRAKES MAY EXPERIENCE CALIPERS STICKING IN THE APPLIED POSITION, WHICH CAN RESULT IN EXCESSIVE OR ABNORMAL HEAT GENERATION AT ONE OR MORE OF THE BRAKES.

RiskTHE COMBINATION OF THE FOLLOWING FACTORS MAY COLLECTIVELY RESULT IN AN UNREASONABLE RISK TO MOTOR VEHICLE SAFETY: POTENTIAL FIRE AT A WHEEL END, HIGH INCIDENT RATES OF STUCK CALIPERS, AND EVACUATION AND CONTAINMENT CONCERNS RELATING TO MULTIPLE PASSENGERS.

FixINTERNATIONAL WILL NOTIFY ITS CUSTOMERS AND REPAIR THE BUSES FREE OF CHARGE. THE RECALL BEGAN OCTOBER 29, 2004.

VEHICLE DESCRIPTION: SCHOOL/TRANSIT BUSES AND MEDIUM DUTY TRUCKS. THE CASTINGS USED ON THE POWER STEERING PUMPS WERE NOT BUILT TO MATCH THE ENGINEERING DRAWINGS, RESULTING IN A THIN WALL IN THE PUMP CASTING OR A COMPLETE CONNECTION OF TWO PASSAGES THAT ARE SUPPOSED TO BE SEPARATED TO CONTROL FLUID FLOW. THE FLUID FLOW MAY BE REDUCED TO LESS THAN THE MINIMUM REQUIRED FLOW RATE TO PROVIDE FULL POWER ASSIST TO THE BRAKE SYSTEM WITH LOW ENGINE SPEED.

RiskAN INCREASE IN STOPPING DISTANCE AT SLOW ENGINE SPEEDS CAN RESULT, INCREASING THE POSSIBILITY OF A CRASH.

FixDEALERS WILL INSPECT AND REPLACE ALL PUMPS THAT HAVE THE DEFECTIVE CASTING NUMBERS.

OVERHEATING FRONT AND REAR BRAKES

Led to recall03V062000