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by Mack Trucks, Inc.

MACK MR RECALLS - (59 Recalls Found)

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2007 MACK MR Recall - PARKING BRAKE:CONVENTIONAL:AIR

Problem: ON CERTAIN TRUCKS EQUIPPED WITH SR-7 BENDIX BRAKE VALVES, THE CHECK VALVE INSIDE THE VALVE CAVITY MAY NOT PROPERLY SET, CAUSING INTERNAL AIR LEAKAGE. IF THE CHECK VALVE DOES NOT PROPERLY SEAT, THE RESULTING LEAKAGE CAN CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER OPERATOR PULLS THE DASH VALVE BUTTON.Recall Details

2007 MACK MR Recall - PARKING BRAKE

Problem: ON CERTAIN TRUCKS EQUIPPED WITH BENDIX SR-7 SPRING BRAKE MODULATING VALVES, THE INTERNAL RUBBER CHECK VALVE MAY LEAK CAUSING A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER THE OPERATOR PULLS THE DASH VALVE BUTTON. Recall Details

2007 MACK MR Recall - SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

Problem: MACK IS RECALLING 218 MY 2006-2007 MR TRUCKS. A CHECK VALVE WAS OMITTED FROM THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE.Recall Details

2006 MACK MR Recall - SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

Problem: MACK IS RECALLING 218 MY 2006-2007 MR TRUCKS. A CHECK VALVE WAS OMITTED FROM THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE.Recall Details

2006 MACK MR Recall - FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

Problem: ON CERTAIN DIESEL POWERED HEAVY DUTY TRUCKS, THE BOLTS ATTACHING THE FUEL TANK MOUNTING BRACKETS TO THE FRAME MAY HAVE INSUFFICIENT TORQUE AND THEREFORE MAY RESULT IN PREMATURE FAILURE OF THE FUEL TANK MOUNTING.Recall Details

2005 MACK MR Recall - FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

Problem: ON CERTAIN DIESEL POWERED HEAVY DUTY TRUCKS, THE BOLTS ATTACHING THE FUEL TANK MOUNTING BRACKETS TO THE FRAME MAY HAVE INSUFFICIENT TORQUE AND THEREFORE MAY RESULT IN PREMATURE FAILURE OF THE FUEL TANK MOUNTING.Recall Details

2005 MACK MR Recall - POWER TRAIN:AXLE ASSEMBLY

Problem: MACK IS RECALLING 10,300 MODEL YEAR 2004 AND 2005 CL, CV, DM, LE, AND RB AND MODEL YEAR 2004 RD HEAVY TRUCKS MANUFACTURED FROM OCTOBER 1, 2003 THROUGH SEPTEMBER 30, 2004, EQUIPPED WITH AXLE BEAMS MANUFACTURED BY BHARAT FORGE. THE AXLE BEAM MAY HAVE TRANSVERSE SHEAR LINES ON THE BOTTOM OF THE AXLE FROM THE TRIMMING PROCESS. Recall Details

2005 MACK MR Recall - SUSPENSION

Problem: ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH HOLLAND AIR SUSPENSION SYSTEMS, A TRANSVERSE BEAM CASTING MAY FRACTURE UNDER NORMAL LOADS. IF A CASTING BREAKS WHEN THE VEHICLE IS TRAVELING ON A ROADWAY THERE IS THE POTENTIAL FOR PIECES OF THE CASTING TO BECOME PROJECTILES AND THE SUSPENSION'S TRANSVERSE BEAM MAY DROP DOWN LOW ENOUGH TO CONTACT THE ROAD SURFACE.Recall Details

2005 MACK MR Recall - SUSPENSION:FRONT

Problem: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002-2005 MR AND LE HEAVY TRUCKS, MANUFACTURED FROM FEBRUARY 1, 2002, THROUGH DECEMBER 22, 2004. OVER TIME, THE VEHICLE?S LOAD MAY RESULT IN FATIGUE CRACKS OF THE FRONT AXLE BEAM. THESE CRACKS CAN PROPAGATE AND RESULT IN COMPLETE FRACTURE OF THE AXLE BEAM.Recall Details

2004 MACK MR Recall - POWER TRAIN:AXLE ASSEMBLY

Problem: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002 THROUGH 2004 CL, CV, LE, MR, RB, RD, AND MODEL YEAR 2003 THROUGH 2004 DM HEAVY TRUCKS MANUFACTURED FROM FEBRUARY 1, 2002 THROUGH SEPTEMBER 30, 2003, EQUIPPED WITH AXLE BEAMS MANUFACTURED BY BHARAT FORGE. THE AXLE BEAM MAY HAVE TRANSVERSE SHEAR LINES ON THE BOTTOM OF THE AXLE FROM THE TRIMMING PROCESS. Recall Details

2004 MACK MR Recall - SUSPENSION:FRONT

Problem: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002-2005 MR AND LE HEAVY TRUCKS, MANUFACTURED FROM FEBRUARY 1, 2002, THROUGH DECEMBER 22, 2004. OVER TIME, THE VEHICLE?S LOAD MAY RESULT IN FATIGUE CRACKS OF THE FRONT AXLE BEAM. THESE CRACKS CAN PROPAGATE AND RESULT IN COMPLETE FRACTURE OF THE AXLE BEAM.Recall Details

2004 MACK MR Recall - FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

Problem: ON CERTAIN DIESEL POWERED HEAVY DUTY TRUCKS, THE BOLTS ATTACHING THE FUEL TANK MOUNTING BRACKETS TO THE FRAME MAY HAVE INSUFFICIENT TORQUE AND THEREFORE MAY RESULT IN PREMATURE FAILURE OF THE FUEL TANK MOUNTING.Recall Details

2004 MACK MR Recall - SUSPENSION

Problem: ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH HOLLAND AIR SUSPENSION SYSTEMS, A TRANSVERSE BEAM CASTING MAY FRACTURE UNDER NORMAL LOADS. IF A CASTING BREAKS WHEN THE VEHICLE IS TRAVELING ON A ROADWAY THERE IS THE POTENTIAL FOR PIECES OF THE CASTING TO BECOME PROJECTILES AND THE SUSPENSION'S TRANSVERSE BEAM MAY DROP DOWN LOW ENOUGH TO CONTACT THE ROAD SURFACE.Recall Details

2004 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

2004 MACK MR Recall - POWER TRAIN:AXLE ASSEMBLY

Problem: MACK IS RECALLING 10,300 MODEL YEAR 2004 AND 2005 CL, CV, DM, LE, AND RB AND MODEL YEAR 2004 RD HEAVY TRUCKS MANUFACTURED FROM OCTOBER 1, 2003 THROUGH SEPTEMBER 30, 2004, EQUIPPED WITH AXLE BEAMS MANUFACTURED BY BHARAT FORGE. THE AXLE BEAM MAY HAVE TRANSVERSE SHEAR LINES ON THE BOTTOM OF THE AXLE FROM THE TRIMMING PROCESS. Recall Details

2003 MACK MR Recall - POWER TRAIN:AXLE ASSEMBLY

Problem: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002 THROUGH 2004 CL, CV, LE, MR, RB, RD, AND MODEL YEAR 2003 THROUGH 2004 DM HEAVY TRUCKS MANUFACTURED FROM FEBRUARY 1, 2002 THROUGH SEPTEMBER 30, 2003, EQUIPPED WITH AXLE BEAMS MANUFACTURED BY BHARAT FORGE. THE AXLE BEAM MAY HAVE TRANSVERSE SHEAR LINES ON THE BOTTOM OF THE AXLE FROM THE TRIMMING PROCESS. Recall Details

2003 MACK MR Recall - SUSPENSION:FRONT

Problem: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002-2005 MR AND LE HEAVY TRUCKS, MANUFACTURED FROM FEBRUARY 1, 2002, THROUGH DECEMBER 22, 2004. OVER TIME, THE VEHICLE?S LOAD MAY RESULT IN FATIGUE CRACKS OF THE FRONT AXLE BEAM. THESE CRACKS CAN PROPAGATE AND RESULT IN COMPLETE FRACTURE OF THE AXLE BEAM.Recall Details

2003 MACK MR Recall - SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

Problem: CERTAIN HEAVY DUTY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." IMPROPER SEATING OF THE CHECK VALVE RETAINER IN THE BRASS FITTING HOUSING HAS OCCURRED. IT IS POSSIBLE FOR THE AIR BRAKE SYSTEM PRESSURE TO PUSH THE CHECK VALVE INTERNAL PARTS INTO THE PRIMARY SYSTEM RESERVOIR AND A VEHICLE OPERATOR WOULD NOT KNOW THAT THIS HAS HAPPENED. Recall Details

2003 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

2002 MACK MR Recall - SUSPENSION:FRONT

Problem: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002-2005 MR AND LE HEAVY TRUCKS, MANUFACTURED FROM FEBRUARY 1, 2002, THROUGH DECEMBER 22, 2004. OVER TIME, THE VEHICLE?S LOAD MAY RESULT IN FATIGUE CRACKS OF THE FRONT AXLE BEAM. THESE CRACKS CAN PROPAGATE AND RESULT IN COMPLETE FRACTURE OF THE AXLE BEAM.Recall Details

2002 MACK MR Recall - POWER TRAIN:AXLE ASSEMBLY

Problem: MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2002 THROUGH 2004 CL, CV, LE, MR, RB, RD, AND MODEL YEAR 2003 THROUGH 2004 DM HEAVY TRUCKS MANUFACTURED FROM FEBRUARY 1, 2002 THROUGH SEPTEMBER 30, 2003, EQUIPPED WITH AXLE BEAMS MANUFACTURED BY BHARAT FORGE. THE AXLE BEAM MAY HAVE TRANSVERSE SHEAR LINES ON THE BOTTOM OF THE AXLE FROM THE TRIMMING PROCESS. Recall Details

2002 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

2002 MACK MR Recall - SERVICE BRAKES, AIR:DRUM

Problem: ON CERTAIN CLASS 8 CHASSIS BUILT WITH HENDRICKSON LIFT AXLES WHICH CONTAINED WEBB BRAKE DRUMS, THE BRAKE DRUMS COULD EXPERIENCE PREMATURE CRACK OF THE BRAKING SURFACE RESULTING IN REDUCTION OR COMPLETE LOSS OF BRAKING ON THAT WHEEL END OR LOSS OF BRAKE DRUM PIECES. Recall Details

2001 MACK MR Recall - SERVICE BRAKES, AIR:DRUM

Problem: ON CERTAIN CLASS 8 CHASSIS BUILT WITH HENDRICKSON LIFT AXLES WHICH CONTAINED WEBB BRAKE DRUMS, THE BRAKE DRUMS COULD EXPERIENCE PREMATURE CRACK OF THE BRAKING SURFACE RESULTING IN REDUCTION OR COMPLETE LOSS OF BRAKING ON THAT WHEEL END OR LOSS OF BRAKE DRUM PIECES. Recall Details

2001 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

2001 MACK MR Recall - SERVICE BRAKES, AIR:CONTROLS

Problem: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH CERTAIN MERITOR-WABCO BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES. THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.Recall Details

2000 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

2000 MACK MR Recall - SERVICE BRAKES, AIR:ANTILOCK

Problem: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.Recall Details

2000 MACK MR Recall - VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

Problem: VEHICLE DESCRIPTION: CLASS 8 TRUCKS EQUIPPED WITH FELSTED ELECTRONIC ACCELERATOR PEDALS. THE RETURN SPRINGS CAN BREAK ON THE ACCELERATOR PEDALS THAT ARE EQUIPPED WITH STAINLESS STEEL OR ELECTROPLATED WIRE RETURN SPRINGS.Recall Details

2000 MACK MR Recall - SERVICE BRAKES, AIR:CONTROLS

Problem: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH CERTAIN MERITOR-WABCO BRAKE SYSTEM TWO AND FOUR PORT RELAY VALVES. THE VALVE MAY STICK OPEN WHEN A HIGH-PRESSURE APPLICATION IS RELEASED.Recall Details

1999 MACK MR Recall - SERVICE BRAKES, AIR:ANTILOCK

Problem: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.Recall Details

1999 MACK MR Recall - STEERING:LINKAGES:TIE ROD ASSEMBLY

Problem: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH TIE ROD ASSEMBLIES CONTAINING 24-DL MODEL BALL SOCKETS AND MANUFACTURED BY TRW. CERTAIN OF THE TIE ROD BALL-SOCKET BEARINGS HAVE A BELOW-SPECIFICATION CASE DEPTH AND/OR HARDNESS, WHICH CAN LEAD TO PREMATURE WEAR OF THE SOCKET.Recall Details

1999 MACK MR Recall - STEERING:LINKAGES:DRAG:LINK:CONNECTION

Problem: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH DRAG LINK ASSEMBLIES CONTAINING 24-DL MODEL BALL SOCKETS AND MANUFACTURED BY TRW. CERTAIN OF THE TIE ROD BALL-SOCKET BEARINGS HAVE A BELOW-SPECIFICATION CASE DEPTH AND/OR HARDNESS, WHICH CAN LEAD TO PREMATURE WEAR OF THE SOCKET.Recall Details

1999 MACK MR Recall - VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

Problem: VEHICLE DESCRIPTION: CLASS 8 TRUCKS EQUIPPED WITH FELSTED ELECTRONIC ACCELERATOR PEDALS. THE RETURN SPRINGS CAN BREAK ON THE ACCELERATOR PEDALS THAT ARE EQUIPPED WITH STAINLESS STEEL OR ELECTROPLATED WIRE RETURN SPRINGS.Recall Details

1999 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

1998 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

1998 MACK MR Recall - SUSPENSION:FRONT:WHEEL BEARING

Problem: VEHICLE DESCRIPTION: CLASS 8 HEAVY DUTY TRUCK CHASSIS EQUIPPED WITH MACK 16,000 LB., 18,000 LB., OR 20,000 LB. HEAVY DUTY STEERING AXLES. THE INNER WHEEL BEARING CONE FOR THE STEERING AXLE WHEEL HUB ASSEMBLY DOES NOT PROPERLY FIT ONTO THE MACK STEERING AXLE SPINDLE ASSEMBLY. IMPROPER FIT OF THE BEARING TO THE SPINDLE INCREASES THE STRESS LEVELS TO THE STEERING AXLE SPINDLE WHICH COULD CAUSE SPINDLE FAILURE.Recall Details

1998 MACK MR Recall - SERVICE BRAKES, AIR:ANTILOCK

Problem: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.Recall Details

1997 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

1996 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

1995 MACK MR Recall - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

Problem: ON CERTAIN CHASSIS BUILT WITH LNG ENGINES, THE NEXGEN LNG TANK'S PRIMARY AND SECONDARY RELIEF VALVES COULD FAIL TO OPEN AND RELIEVE TANK PRESSURE. Recall Details

1993 MACK MR Recall - TRAILER HITCHES

Problem: THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS.Recall Details

1992 MACK MR Recall - TRAILER HITCHES

Problem: THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS.Recall Details

1992 MACK MR Recall - VEHICLE SPEED CONTROL

Problem: FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.Recall Details

1991 MACK MR Recall - VEHICLE SPEED CONTROL

Problem: FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.Recall Details

1991 MACK MR Recall - POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR

Problem: THE STONE BENNETT SHIFTERS DO NOT INDICATE THE RELATIVE POSITION OF THE SHIFT LEVER TO THE DRIVER.Recall Details

1990 MACK MR Recall - POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR

Problem: THE STONE BENNETT SHIFTERS DO NOT INDICATE THE RELATIVE POSITION OF THE SHIFT LEVER TO THE DRIVER.Recall Details

1990 MACK MR Recall - STEERING:LINKAGES

Problem: THE STEERING ARM CAN DEVELOP CRACKS CAUSING THE LEVER TO BREAK WITHOUT WARNING.Recall Details

1990 MACK MR Recall - VEHICLE SPEED CONTROL

Problem: FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.Recall Details

1989 MACK MR Recall - VEHICLE SPEED CONTROL

Problem: FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.Recall Details

1989 MACK MR Recall - POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR

Problem: THE STONE BENNETT SHIFTERS DO NOT INDICATE THE RELATIVE POSITION OF THE SHIFT LEVER TO THE DRIVER.Recall Details

1988 MACK MR Recall - SEAT BELTS:FRONT:ANCHORAGE

Problem: SEAT BELT MOUNTING BOLTS ON THE INBOARD SIDE OF RIDERS SEAT MAY HAVE BEEN UNDERTORQUED.Recall Details

1988 MACK MR Recall - VEHICLE SPEED CONTROL

Problem: FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.Recall Details

1987 MACK MR Recall - VEHICLE SPEED CONTROL

Problem: FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM.Recall Details

1979 MACK MR Recall - ENGINE AND ENGINE COOLING:ENGINE

Problem: IN THE EVENT OF TURBOCHARGER COMPRESSOR WHEEL FAILURE, ONE OR MORE OF THE FOUR CAPSCREWS THAT HOLD THE TURBOCHARGER TOGETHER MAY BE STRUCK BY PARTS OF THE COMPRESSOR WHEEL, RESULTING IN THE CAPSCREWS BEING DAMAGED. IF THESE CAPSCREWS ARE DAMAGED TO THE POINT THAT THEY ALLOW THE COMPRESSOR BACK PLATE TO DISLOCATE FROM THE TURBOCHARGER BEARING HOUSING, ENGINE LUBRICATING OIL MAY BE ALLOWED TO ESCAPE UNDER PRESSURE, CONTACTING THE ENGINE EXHAUST MANIFOLD SECTIONS OR TURBOCHARGER TURBINE HOUSING.Recall Details

1979 MACK MR Recall - SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

Problem: THE SPRING SEAT PLATE, LOCATED BETWEEN THE AXLE HOUSING AND THE SUSPENSION SPRINGS, MAY DEFORM DUE TO SPRING BENDING. AS A RESULT, THE CLAMPING FORCE IN THE ASSEMBLY MAY BE REDUCED. LOSS OF CLAMPING FORCE COULD CAUSE SPRING FAILURE AND THE AXLE WILL DISLOCATE. ALSO, THE TIRE COULD COME INTO CONTACT WITH THE SPRING.Recall Details

1978 MACK MR Recall - VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

Problem: A DEFICIENCY IN THE ROUTING OF THE HEATER DUCT HOSE COULD ALLOW THE HOSE TO REST AGAINST A TERMINAL POST OF THE ACCESSORY RELAY. VIBRATION WILL EVENTUALLY CAUSE THE TERMINAL POST TO PENETRATE THE HOSE FABRIC AND SHORT CIRCUIT THE WIRE REINFORCEMENT AND OVERLOAD THE CIRCUIT.Recall Details

1978 MACK MR Recall - ENGINE AND ENGINE COOLING:ENGINE

Problem: IN THE EVENT OF TURBOCHARGER COMPRESSOR WHEEL FAILURE, ONE OR MORE OF THE FOUR CAPSCREWS THAT HOLD THE TURBOCHARGER TOGETHER MAY BE STRUCK BY PARTS OF THE COMPRESSOR WHEEL, RESULTING IN THE CAPSCREWS BEING DAMAGED. IF THESE CAPSCREWS ARE DAMAGED TO THE POINT THAT THEY ALLOW THE COMPRESSOR BACK PLATE TO DISLOCATE FROM THE TURBOCHARGER BEARING HOUSING, ENGINE LUBRICATING OIL MAY BE ALLOWED TO ESCAPE UNDER PRESSURE, CONTACTING THE ENGINE EXHAUST MANIFOLD SECTIONS OR TURBOCHARGER TURBINE HOUSING.Recall Details

1977 MACK MR Recall - ENGINE AND ENGINE COOLING:ENGINE

Problem: IN THE EVENT OF TURBOCHARGER COMPRESSOR WHEEL FAILURE, ONE OR MORE OF THE FOUR CAPSCREWS THAT HOLD THE TURBOCHARGER TOGETHER MAY BE STRUCK BY PARTS OF THE COMPRESSOR WHEEL, RESULTING IN THE CAPSCREWS BEING DAMAGED. IF THESE CAPSCREWS ARE DAMAGED TO THE POINT THAT THEY ALLOW THE COMPRESSOR BACK PLATE TO DISLOCATE FROM THE TURBOCHARGER BEARING HOUSING, ENGINE LUBRICATING OIL MAY BE ALLOWED TO ESCAPE UNDER PRESSURE, CONTACTING THE ENGINE EXHAUST MANIFOLD SECTIONS OR TURBOCHARGER TURBINE HOUSING.Recall Details
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