DEERE & COMPANY IS RECALLING CERTAIN JOHN DEERE 8.1 LITER COMPRESSED NATURAL GAS ENGINES, MODEL NUMBER 6081HFN04, MANUFACTURED FROM JUNE 2002 THROUGH JANUARY 2008. FAILURES CAN OCCUR WITHIN THE ENGINE TURBOCHARGER. THE TURBINE OR COMPRESSOR WHEEL MAY FAIL, RESULTING IN SUBSEQUENT DAMAGE TO THE ENGINE AND/OR AN OIL LEAK.
CERTAIN JOHN DEERE 8.1L COMPRESSED NATURAL GAS ENGINES MODELS HFN01 AND HFN03 MANUFACTURED BETWEEN MAY 2000 AND NOVEMBER 2003 AND USED ON SCHOOL AND TRANSIT BUSES. THE ENGINE CONTROL UNIT AND THROTTLE CAN UNEXPECTEDLY SURGE. THESE UNITS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 124, ACCELERATOR CONTROL SYSTEMS.
CERTAIN JOHN DEERE 8.1L COMPRESSED NATURAL GAS ENGINES MODELS HFN01 AND HFN03 MANUFACTURED BETWEEN MAY 2000 AND NOVEMBER 2003 AND USED ON SCHOOL AND TRANSIT BUSES. THE ENGINE CONTROL UNIT AND THROTTLE CAN UNEXPECTEDLY SURGE. THESE UNITS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 124, ACCELERATOR CONTROL SYSTEMS.
EQUIPMENT DESCRIPTION: 8.1 LITER COMPRESSED NATURAL GAS (CNG) ENGINES. THE ELECTRONIC CONTROL MODULE (ECM) IN THESE ENGINES CONTAIN A MANUFACTURING DEFECT WHICH RESULTS IN INTERMITTENT ELECTRICAL CONTACT AND CAUSES INCORRECT ELECTRONIC SIGNALS TO BE SENT TO THE ENGINE THROTTLE CONTROL.
THE PARKING BRAKE RELEASE CABLE MAY BIND IF IT IS TOO CLOSE TO THE EXHAUST MANIFOLD. ALSO, THE OIL HOSE MAY CONTACT THE BRAKE PUMP BRACKET AND EVENTUALLY CAUSE OIL TO LEAK FROM THE HYDRO-MAX SYSTEM.
THE PARKING BRAKE RELEASE CABLE MAY BIND IF IT IS TOO CLOSE TO THE EXHAUST MANIFOLD. ALSO, THE OIL HOSE MAY CONTACT THE BRAKE PUMP BRACKET AND EVENTUALLY CAUSE OIL TO LEAK FROM THE HYDRO-MAX SYSTEM.
THE PARKING BRAKE RELEASE CABLE MAY BIND IF IT IS TOO CLOSE TO THE EXHAUST MANIFOLD. ALSO, THE OIL HOSE MAY CONTACT THE BRAKE PUMP BRACKET AND EVENTUALLY CAUSE OIL TO LEAK FROM THE HYDRO-MAX SYSTEM.
THE PARKING BRAKE RELEASE CABLE MAY BIND IF IT IS TOO CLOSE TO THE EXHAUST MANIFOLD. ALSO, THE OIL HOSE MAY CONTACT THE BRAKE PUMP BRACKET AND EVENTUALLY CAUSE OIL TO LEAK FROM THE HYDRO-MAX SYSTEM.
PARK BRAKE ACUATOR LEVER COULD FAIL AND BRAKE WOULD NOT ENGAGE WHEN THE GEAR SHIFT LEVER IS PUT IN THE P PARK POSITION.
PARK BRAKE ACUATOR LEVER COULD FAIL AND BRAKE WOULD NOT ENGAGE WHEN THE GEAR SHIFT LEVER IS PUT IN THE P PARK POSITION.
PARK BRAKE ACUATOR LEVER COULD FAIL AND BRAKE WOULD NOT ENGAGE WHEN THE GEAR SHIFT LEVER IS PUT IN THE P PARK POSITION.
PARK BRAKE ACUATOR LEVER COULD FAIL AND BRAKE WOULD NOT ENGAGE WHEN THE GEAR SHIFT LEVER IS PUT IN THE P PARK POSITION.
FUEL LINE ASSEMBLY IS A FLEX FITTING DESIGN THAT TRANSFERS FUEL TO THE FUEL INJECTION PUMP FROM THE FUEL FILTERS. THE FLANGE ON THE FUEL LINE MAY CRACK.
BRAKE HOSE WHICH DIRECTS OIL FROM THE HYDRO MAX BRAKE UNIT TO A STEEL TUBE CONNECTED TO THE SUPPLY PART ON THE PARK BRAKE RELAY VALVE MAY CONTAIN DEFECTS AND LEAK OIL FROM THE BOOSTER SYSTEM.
BRAKE HOSE WHICH DIRECTS OIL FROM THE HYDRO MAX BRAKE UNIT TO A STEEL TUBE CONNECTED TO THE SUPPLY PART ON THE PARK BRAKE RELAY VALVE MAY CONTAIN DEFECTS AND LEAK OIL FROM THE BOOSTER SYSTEM.
A SHIELD AND SUPPORT LOCATED UNDER OPERATORS PLATFORM MAY CONTACT LEFT FRONT TIRE DURING TIGHT RIGHTHAND TURNS.
A SHIELD AND SUPPORT LOCATED UNDER OPERATORS PLATFORM MAY CONTACT LEFT FRONT TIRE DURING TIGHT RIGHTHAND TURNS.
A SHIELD AND SUPPORT LOCATED UNDER OPERATORS PLATFORM MAY CONTACT LEFT FRONT TIRE DURING TIGHT RIGHTHAND TURNS.
A SHIELD AND SUPPORT LOCATED UNDER OPERATORS PLATFORM MAY CONTACT LEFT FRONT TIRE DURING TIGHT RIGHTHAND TURNS.
THE OPEN DESIGN GUIDE SLEEVE FOR THE PLUNGER IN THE ENGINE INJECTION PUMP MAY CONTAIN A STEEL BURR THAT CAN LODGE BETWEEN THE GUIDE SLEEVE AND THE PLUNGER CAUSING AN INCREASE IN STRESS AT A NOTCH IN THE SLEEVE AND RESULTING IN CRACKING OF THE SLEEVE.
THE THREADS IN SOME FUEL FILLER NECK INSERTS ARE NOT PROPERLY FORMED.
THE THREADS IN SOME FUEL FILLER NECK INSERTS ARE NOT PROPERLY FORMED.
THE THREADS IN SOME FUEL FILLER NECK INSERTS ARE NOT PROPERLY FORMED.
THE THREADS IN SOME FUEL FILLER NECK INSERTS ARE NOT PROPERLY FORMED.
THERE MAY BE CONTACT BETWEEN THE REAR BRAKE LINES AND THE CHASSIS ANTI SWAY BRACKETS.
THERE MAY BE CONTACT BETWEEN THE REAR BRAKE LINES AND THE CHASSIS ANTI SWAY BRACKETS.