Access the National Highway Traffic Safety database of MACK MACK recalls and defective parts found
on MACK MACK automobiles. The National Highway Traffic Safety administration is authorized
to order the MACK MACK manufacturers to recall and repair vehicles or parts of motor vehicle
equipment when its investigation indicates that they contain serious safety defects in their design,
structure, body, or performance.
| Vehicle | Component | Manufacterer |
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| 2001 MACK MACK | PARKING BRAKE:DRIVELINE Units affected: 4 | MACK TRUCKS, INCORPORATED Report Date: 2001-08-23 |
| Summary: VEHICLE DESCRIPTION: CHASSIS BUILT WITH A JACOBS VEHICLE SYSTEMS ELECTRONIC CONTROLLER FOR THE ELECTRIC DRIVELINE BRAKE SYSTEM. A FAILURE MODE WITHIN THE SOLID STATE CONTROLLER CAN CAUSE A SHORT FROM THE POSITIVE TERMINAL TO THE NEGATIVE TERMINAL OF THE BATTERY. |  |
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| 1978-1987 MACK MACK | SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY Units affected: 14800 | MACK TRUCKS, INCORPORATED Report Date: 1990-01-23 |
| Summary: THE 7/8 INCH SPRING EYE BOLTS WITHIN THE SPRING EYE BUSHING HANGER BRACKET OF THE REAR SUSPENSION MAY FAIL. |  |
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| 1984-1989 MACK MACK | SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE Units affected: 18 | MACK TRUCKS, INCORPORATED Report Date: 1989-02-17 |
| Summary: AN INCORRECT 3/4 INCH BOLT WAS INSTALLED ON RT/RS 450 SUSPENSION. |  |
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| 1985-1986 MACK MACK | SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS Units affected: 24106 | MACK TRUCKS, INCORPORATED Report Date: 1988-07-28 |
| Summary: SOME AIR BRAKE HOSE ASSEMBLIES MAY NOT COMPLY WITH BURST STRENGTH REQUIREMENTS OF FMVSS 106. |  |
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| 1972-1987 MACK MACK | SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM Units affected: 5235 | MACK TRUCKS, INCORPORATED Report Date: 1987-02-09 |
| Summary: CROSSMEMBER CAN BE OVERSTRESSED AND CAN FAIL, ALLOWING THE BROKEN CROSSMEMBER TO PROTUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH CHASSIS COMPONENTS. |  |
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| 1982-1985 MACK MACK | SUSPENSION:FRONT:WHEEL BEARING Units affected: 50100 | MACK TRUCKS, INCORPORATED Report Date: 1986-03-10 |
| Summary: FRONT STEERING KNUCKLE THRUST BEARING MAY SHATTER INTO PIECES DUE TO IMPROPER HEAT TREATMENT. CONSEQUENCE OF DEFECT: FAILURE OF THE BEARING MAY AFFECT STEERING CONTROL. IF BEARING DISINTEGRATES, IT WOULD RESULT IN INCREASE STEERING DRAG AND/OR CAUSE STEERING LOCK UP WITH LOSS OF CONTROL WHICH COULD LEAD TO AN ACCIDENT. |  |
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| 1978-1985 MACK MACK | SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY Units affected: 11000 | MACK TRUCKS, INCORPORATED Report Date: 1986-01-22 |
| Summary: THE SPRING EYE BOLT WAS NOT TORQUED PROPERLY AND COULD FAIL DUE TO THE LOOSE FIT WITHIN THE SPRING EYE BUSHING/HANGER BRACKET. CONSEQUENCE OF DEFECT: THE SPRING COULD FALL ONTO THE ROAD SURFACE, WITHOUT WARNING TO THE DRIVER, AND A VEHICLE CRASH COULD OCCUR DUE TO THE SUDDEN DRAG OF THE SPRING. |  |
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| 1985-1986 MACK MACK | POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT Units affected: 484 | MACK TRUCKS, INCORPORATED Report Date: 1986-01-14 |
| Summary: INCORRECT INNER WHEEL BEARINGS WERE INSTALLED IN THE REAR AXLES WHICH WEARS A GROOVE IN THE SPINDLE DUE TO A POOR FIT. CONSEQUENCE OF DEFECT: A DEEP GROOVE COULD CAUSE THE AXLE HOUSING TO BREAK AND RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING. |  |
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| 1973-1974 MACK MACK | WHEELS:CENTER SECTION Units affected: 46 | MACK TRUCKS, INCORPORATED Report Date: 1974-09-12 |
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| 1974 MACK MACK | STEERING:HYDRAULIC POWER ASSIST SYSTEM Units affected: 567 | MACK TRUCKS, INCORPORATED Report Date: 1974-06-24 |
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