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 1978 Mack R in Canada.
THE SPRING SEAT, WHICH IS LOCATED BETWEEN THE AXLE HOUSING AND THE REAR SUSPENSION SPRING PACK CAN DEFORM, RESULTING IN REDUCED CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. THIS COULD CAUSE AXLE MISALIGNMENT, SPRING "U" BOLT LOOSENESS AND HOUSING FAILURE. AXLE DISLOCATION, WHICH COULD RESULT IN TIRE TO SPRING INTERFERENCE AND POSSIBLE IMPAIRMENT OF VEHICLE CONTROL, COULD OCCUR 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).
VEHICLES DO NOT COMPLY WITH CMVSS 108 - LIGHTING.
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).
VEHICLES MAY BE EQUIPPED WITH A DANA CORPORATION LOWER STEERING SHAFT IN WHICH THE PINCH BOLT CLAMP MAY DEFORM RESULTING IN A LOSS OF CLAMPING FORCE AND DISLOCATION OF THE PINCH BOLT FROM THE
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).
VEHICLES EQUIPPED WITH MACK RA23 OR RA24 REAR AXLES MAY CONTAIN REAR SUSPENSION SPRING SEATS THAT COULD DEFORM ON SPRING DEFLECTION RESURING GEAR OUTPUT SHAFT SPLINES AND ULTIMATELY LEAD TO A LOSS OF VEHICLES EQUIPPED WITH MACK RA23 OR RA24 REAR AXLES MAY CONTAIN REAR SUSPENSION SPRING SEATS THAT COULD DEFORM ON SPRING DEFLECTION RESULTING IN REDUCED CLAMPING FORCE. THIS COULD RESULT IN SPRING SLIP FAILURE ALLOWING THE AXLE TO DISLOCATE CAUSING TIRE/SPRING INTERFERENCE AND POSSIBLE LOSS OF VEHICLE 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).
TRUCKS EQUIPPED WITH MACK ENDT (B) 676, ETAZ (B) 673A AND ETAY (B) 673A ENGINES WITH AIRESEARCH TV6103 TURBO-CHARGERS. IN SOME INSTNACES OF TURBOCHARGER COMP[RESSOR WHEEL FAILURE THE CAPSCREWS RETAINING THE COMPRESSOR BACK PLATE MAY BE STRUCK BY PART OF THE COMP-RESSOR WHEEL. HTIS CAN RESULT IN THE CAPSCREWS BEING STRETCHED OR SHEARED, ALLOWING THE BACKPLATE TO DISLOCATE AND PRESSURIZED ENGINE OIL TO CONTACT THE HOT TURBOCHARGER TURBINE HOUSINGS AND/OR ENGINE EXHAUST MANIFOLD SECTIONS, THUS CREATING A POTENTIAL FOR ENGINE COMPARTMENT FIRE.
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).
ANTI-WHEEL LOCK VALVES SUPPLIED BY EATON CORPORATION MAY BE EXPOSED TO ACCUMULATED CONCENTRATIONS OF FLUID CONTAMINANTS IN THE AIR BRAKE SYSTEM THAT COULD CAUSE THE PISTON TO STICK THEREBY PREVENTING ANY AIR FROM BEING DELIVERED TO THE AIR BRAKE CHAMBERS SUPPLIED BY THAT VALVE. LTHIS CONDITION WILL RESULT IN A NO BRAKE APPLICATION ON THE AFFECTED AXLE, THEREBY EXTENDING VEHICLE STOPPING DISTANCES.
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).
TRUCKS EQUIPPED WITH EITHER AN SGPS47 OR SGP49 STEERING SYSTEM. AN IMPROPER PINCH BOLT AND NUT MAY HAVE BEEN USED TO CLAMP THE STEERING SHAFT TO THE STEERING GEAR INPUT SHAFT. THS NUT COULD LOOSEN CAUSIG INPUT SHAFT LOOSENESS AND SPLINE WAEAR. CONTINUED OPERATION COULD RESULT IN STEERING SHAFT SEPARATION A D 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).
TRUCKS EQUIPPED WITH MACK SH34 OR SH38 BOGIE SUSPENSIONS. THE BEAM HANGER BRACKETS MADE BY SUPERIOR STEEL CASTINGS HAVE LOW MECHANICAL PROPERTIES AND EXCESSIVE SHRINKAGE. FAILURE OF ONE OR MORE OF THESE BRACKETS COULD ALLOW THE AXLE HOUSING TO SEPARATE FROM THE SUSPENSION CAUSING A LOSS OF VEHICLE 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).
TRUCKS WITH MACK SW57,SW76,S38,OR S44 TANDEM AXLES. A CASTING DEFECT IN THE BOGIE SPRING INSULATOR CAP CAN ALLOW THE END OF THE REAR SPRING TO DETACH FROM THE AXLE HOUSING RESULTING IN LOSS OF VEHICLE 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).
TRUCKS EQUIPPED WITH BENDIX ANTI-WHEEL LOCK ELECTRONIC CONTROLLERS. A DIODE FAILURE WHTHIN THE ELECTRONIC CONTROLLER MAY BLOCK AIR PRESSURE TO THE BRAKE CHAMBERS RESULTING IN A NO-BRAKE SITUATION AT THE AFFECTED WHEELS. THIS CONDITION WOULD AFFECT THE AXLE-BY-AXLE AND BOGIE ANTI-WHEEL LOCK CAPABILITY AND MAY RESULT IN A 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).
TRUCKS EQUIPPED WITH BOGIE (TANDEM REAR) AXLES THAT ARE EQUIPPED TRUCKS EQUIPPED WITH BOGIE (TANDEM REAR) AXLES THAT ARE EQUIPPED WITH A SINGLE ANTI-WHEEL LOCK CONTROLLER. WHEEL SENSOR WIRE FAILURES MAY CAUSE DELAYS OF UP TO TWO SECONDS IN IMPLEMENTING THE ANTI-WHEEL LOCK SYSTEM ON THE BOGIE AXLES. THIS DELAY RESULTS IN A REDUCTION OF THE VEHICLE'S FULL BRAKING CAPABILITY.
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).
TRUCKS EQUIPPED WITH SW56 OR SW57 SERIES HIGHWAY BOGIES (TANDEM AXLES). THE BRAKE HOSE BRACKET MOUNTED ON THE FRONT AXLE OF THE BOGIE MAY FAIL LEAVING THE BRAKE TEE UNSUPPORTED. THIS COULD CAUSE BROKEN HOSE CONNECTOR FITTINGS WHICH WOULD RESULT IN AN AUTOMATIC APPLICATION, WITHOUT WARNING, OF THE SPRING EMERGENCY BRAKES AND POSSIBLE LOSS OF VEHICLE 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).
TRUCKS EQUIPPED WITH MACK V-8 ENGINES. THE SYNFLEX-TYPE OIL PRESSURE SIGNAL LINE MKAY BE ROUTED TOO CLOSE TO THE EXHAUST MANIFOLD. EXCESSIVE HEAT COULD CAUSE THE LINE TO RUPTURE AND SPRAY OIL ONTO THE HOT EXHAUST MANIFOLD CUAISNG AN ENGINE COMPARTMENT FIRE
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).
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