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.
Switch to another Mack Ultraliner model year.
Safety recall notices and repair campaigns registered for the 1983 Mack Ultraliner in Canada.
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).
THE FUEL TANK STRAPS MAY DEVELOP MICROSCOPIC CRACKS. THESE CRACKS CAN LEAD TO STRAP BREAKAGE DUE TO CORROSION.THIS WOULD CAUSE THE FUEL TANK TO DROP ONTO THE ROADWAY WITHOUT PRIOR WARNING.
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.
Explore safety recall records by model year.