Safety defect investigations, technical specifications, and manufacturer repair notices for Canadian owners.
Enter a VIN to identify your vehicle and find Canadian recall notices that may apply to its make, model and year. Confirm VIN-specific eligibility and repair status with the manufacturer.
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Safety recall notices and repair campaigns registered for the 1983 Mack Mh in Canada.
THE SEAT TETHER BELTS ON MODELS EQUIPPED WITH AIR RIDE SEATS MAY NOT HAVE BEEN ADJUSTED DURING ASSEMBLY. DURING AN IMPACT CONDITION, THE DRIVER AND/ OR RIDER COULD MOVE FORWARD AND POSSIBLY STRIKE THE WINDSHIELD, EVEN WHEN WEARING A SEAT BELT. THERE WOULD BE NO PRIOR WARNING. CORRECTION: VEHICLES WILL BE INSPECTED AND TETHER BELT WILL BE ADJUSTED IF NECESSARY.
A failure of this component (seats and restraints) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
NOTE: 1971 TO 1987 TRUCKS WITH NEWAY AIR RIDE DRIVE AXLE SUSPENSION. THE CHANNEL TYPE CROSSMEMBER INSTALLED WITH THE SUSPENSION CAN BE OVERSTRESSED AND CAN FAIL. THE BROKEN CROSSMEMBER CAN PROTRUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH THE TRAILER CHASSIS COMPONENTS. THIS COULD ADVERSELY AFFECT HANDLING WHEN TURNING. ALSO, A COMPLETELY SEPARATED CROSSMEMBER WITH ATTACHED HEIGHT CONTROL VALVES COULD AFFECT THE HEIGHT OF THE SUSPENSION AIR SPRINGS. THE RESULTING LEAN COULD CAUSE LOSS OF CONTROL.
A failure of this component (suspension) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
THE CAB STEPS COULD DEVELOP CRACKS IN THE WELDED AREA WHICH COULD EXTEND INTO THE TUBULAR STEP AND CAUSE THE TUBULAR STEP TO COLLAPSE AND EVENTUALLY BREAK WITHOUT WARNING TO THE USER, WITH POSSIBLE INJURIES BEING RECEIVED. TRUCKS EQUIPPED WITH SLEEPER CABS.
A failure of this component (structure) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
WHEN THE TRACTOR BRAKES ARE APPLIED, THE TRAILER BRAKES MAY NOT REACT SIMULTANEOUSLY WITH THE TRACTOR. THIS CONDITION IS DUE TO TO A VALVE NOT RELEASING PROPER AIR VOLUME TO THE BRAKE.
A failure of this component (not entered) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
IT IS POSSIBLE THAT THE FLIP-OUT STEP ON THE BUMPER MAY FAIL SUDDENLY UNDER THE WEIGHT OF A PERSON STANDING ON THE STEP WHILE SEVICING THE FRONT AREA OF THE VEHICLE. THIS BREAK WILL CAUSE THE PERSON STANDING ON THE STEP TO FALL WITHOUT WARNING POSSIBLY RESULTING IN PERSONAL INJURY.
A failure of this component (not entered) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
THE SPRING CENTER BOLT HEAD DOES NOT PENETRATE THROUGH THE CASTER WEDGE AND INTO THE RECESSED HOLE IN THE AXLE PAD, THEREFORE, NOT LOCATING AND ALIGNING THE SPRING TO THE FRONT AXLE. IF THE FRONT AXLE CLIPS LOOSEN, THE LACK OF CENTER BOLT PENETRATION THROUGH THE CASTER PLATE MAY RESULT IN AXLE MISALIGNMENT, AXLE SHIFTING AND LOSS OF STEERING CONTROL.
A failure of this component (not entered) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
A CARBON STEEL CHECK VALVE SPRING WAS MISTAKENLY INSTALLED IN THE DUAL COMPARTMENT AIR RESERVOIR. USAGE OF CARBON STELL SPRINGS IN THIS APPLICATION CAN RESULT IN SEVERE CORROSION AND SUBSEQUENT FAILURE. IF A LEAK DEVELOPS IN THE PRIMARY AIR SYSTEM, AIR WOULD NOT BE CHECKED OR ISOLATED FROM THE FAILED SYSTEM AND AIR WOULD FLOW FROM THE SECONDARY SYSTEM AND EXHAUST AT THE POINT OF LEAKAGE RESULTING IN LOSS OF SERVICE BRAKES AND APPLICATION OF THE EMERGENCY SPRING BRAKES. IF THE DRIVER IGNORES THE LOW AIR PRESSURE WARNING LIGHT AND BUZZER AND FAILS TO PULL OFF THE ROAD, THE POSSIBILITY EXI
A failure of this component (not entered) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
IT IS POSSIBLE THAT IMPROPER STEERING SHAFT CLAMP BOLTS WERE INSTALLED AND TORQUED TO THE WRONG SPECIFICATIONS. BECAUSE OF THE OVERLOADED CLAMPING FORCE APPLIED TO THE BOLT, THE BOLT COULD FAIL ALLOWING THE STEERING YOKE TO BECOME LOOSE. THIS COULD RESULT IN COMPLETE LOSS OF STEERING WITHOUT PRIOR WARNING AND A POSSIBLE VEHICLE CRASH.
A failure of this component (not entered) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
AN INEFFECTIVE WELD AT THE SPLINED CENTRE OF THE STEERING WHEEL HUB TO THE HUB PERIMETER COULD UNDER SEVERE STRAIN AND DEFLECTION, FAIL AND RESULT IN STEERING WHEEL SEPARATION. STEERING WHEEL DISENGAGEMENT MAY LEAD TO LOSS OF STEERING CONTROL WITHOUT PRIOR WARNING WITH A POTENTIAL FOR VEHICLE CRASH.
A failure of this component (not entered) may increase the risk of a crash or injury.
Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).
Official Transport Canada safety campaigns, Canadian motor vehicle safety compliance standards and live VIN specifications.
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