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 Wl model year.
Safety recall notices and repair campaigns registered for the 1975 Mack Wl in Canada.
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).
VEHICLES EQUIPPED WITH CUMMINS NTC - SERIES ENGINES AND FULLER RT OR SPICER SST SERIES TRANSMISSIONS. INVOLVED VEHICLES HAVE ALUMINUM ENGINE REAR SUPPORT BRACKETS WHICH MAY FAIL ALLOWING THE ENGINE AND TRANSMISSION ASSEMBLY TO DISLOCATE DOWNWARD. THIS CONDITION COULD CAUSE A LOSS OF THROTTLE CONTROL AND RESULT IN A VEHICLE CRASH. ENGINE REAR SUPPORT BRACKETS WHICH MAY FAIL ALLOWING THE ENGINE AND TRANSMISSION ASSEMBLY TO DISLOCATE DOWNWARD. THIS CONDITION COULD CAUSE A LOSS OF THROTTLE CONTROL AND 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).
THE EATON MODEL 21 ANTI-WHEEL LOCK CONTROLLER MAY MALFUNCTION AND PREVENT APPLICATION OF THE BRAKE ON THE AXLE CONTROLLED BY THE DEFECTIVE CONTROLLER. A "NO BRAKE" SITUATION MAY DEVELOP WHICH WOULD AFFECT VEHICLE BRAKING CHARACTERISTICS AND MAY LEAD TO 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 MACK 6 CYLINDER ENGINES AND FLEXIBLE BLADE ENGINE COOLING FANS. THE FLEXIBLE BLADE FANS MAY DEVELOP FATIGUE CRACKS IN THE LAMINATED STIFFENER. CONTINUED ENGINE OPERATION COULD CAUSE A PIECE OF THE STIFFENER TO BREAK OFF AND BE PROPELLED OUTSIDE OF THE FAN SHROUD. A PROPELLED FRAGMENT COULD CAUSE INJURY TO SERVICE PERSONNEL IN THE VICINITY OF AN OPERATING ENGINE.
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 FL-931 FRONT AXLES WITH DISC WHEELS AND ROCKWELL INTERNATIONAL ALUMINUM FRONT WHEEL HUBS. ROCKWELL INTERNATIONAL HAS DETERMINED THAT A DEFICIENCY EXISTS IN ITS 333-P-2304 FORGED ALUMINUM FRONT WHEEL HUBS (PART NO. 333-N-2302) IN THE BARREL SECTION BETWEEN THE INNER AND OUTER WHEEL BEARING WHICH MAY RESULT IN CRACKS. CONTINUED OPERATION IN THIS CONDITION COULD CAUSE THE HUB TO SEPARATE FROM THE VEHICLE WITH THE POSSIBILITY OF 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).
VEHICLES EQUIPPED WITH ROCKWELL INTERNATIONAL FF931C FRONT AXLES AND S-=CAM BRAKES. THE BRAKE SPIDER MAY FAIL ALLOWING SEPARATION OF THAT PORTION THAT RETAINS THE BRAKE CAMSHAFT, BRAKE CHAMBER AND THE BRAKE CHAMBER BRACKET FROM THE FOUNDATION BRAKE ASSEMBLY. FAILURE CAN OCCUR WITHOUT WARNING AND LEAD TO BRAKE PULL OR WHEEL LOCKUP.
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 BUILT FROM JANUARY 1, 1975 TO FEBRUARY 4, 1977 AND EQUIPPED WITH ROSS HFB70 SERIES POWER STEERING. THE ROSS HFB70 POWER STEERING SYSTEM IS SUSCEPTIBLE TO FAILURE AT THE INPUT SHAFT END OF THE PISTON AND WILL CAUSE THE END TOOTH OF THE PISTON TO BREAK OFF. THE BROKEN TOOTH COULD CAUSE THE STEERING GEAR TO LOCK WITH THE POSSIBILITY OF VEHICLE CRASH. FLAT-BED TRAILERS WERE PRODUCED WITHOUT THE TWO FRONT CLEARANCE LAMPS AS REQUIRED BY CMVSS 108.
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 LOWER STEERING SHAFT LOWER YOKE CLMAP BOLT MAY NOT HAVE BEEN TORQUED TO SPECIFICATION DURING MANUFACTURE. THIS COULD LEAD TO DISENGAGEMENT OF THE LOWER STEERING SHAFT FROM THE STEERING GEAR RESULTING IN LOSS OF STEERING CONTROL WITHOUT WARNING TO THE DRIVER.
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 FORGED ALUMINUM HUBS ON ROCKWELL FF931 AXLES WITH DISC WHEELS. LTHE FORGED ALUMINUM FRONT WHEEL HUBS HAVE A DESIGN DEFICIENCY IN THE BARREL BETWEEN THE INNER AND OUTER BEARINGS WHICH CAN LEAD TO CRACKING AND FAILURE OF THE HUB.
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 FA536C OR FA537C FRONT AXLES. FRONT AXLE MOUNTED BRAKE CHAMBERS MAY CONTACT THE CAB TILT CYULINDERS CAUSING DAMAGE THAT COULD MAKE THE FRONT AXLE BRAKING ACTION INOPERATIVE OR ADVERSELY AFFECT STEERING STABILITY.
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 A ROSS UPPER STEERING SHAFT. POSSIBILITY OF A FAULTY WELD ATTACHING THE UPPER SECTION AND LOWER SECTION OF THE STEERING SHAFT. FAILURE OF THE WELD ALLOWS INTERNAL SEPARATION OF THE STEERING SHAFT.
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 ROCKWELL INTERNATIONAL FRONT AXLE FORGED ALUMINUM HUBS. THE SUSPECT ROCKWELL HUBS (PART NUMBER 333-Y-2209X) CONTAIN A DESIGN DEFICIENCY IN THE AREA OF THE WHEEL MOUNTING FLANGE
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).
DISTORTION OF THE AIR-OPERATED WINDSHIELD WIPER MOTOR HOUSING.
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 EATON SKID CONTROL SYSTEM AND ROCKWELL INTERNATIONAL FF931 OR FL931W FRONT AXLES WITH ALUMINUM WHEEL HUBS ERECTED BETWEEN MARCH 18, 1975 AND DECEMBER 11, 1975. FULL ADJUSTMENT OF THE WHEEL SPEED SENSOR IN ITS MOUNTING BRACKET CANNOT BE OBTAINED WITH THE PRESENT EATON WHEEL SPEED ROTOR ON CERTAIN OF THE VEHICLES INVOLVED.
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 CLAMP AROUND THE STEERINTG COLUMN MAY BE INCORRECTLY POSITIONED, WHICH COULD RESULT IN THE STEERING SHAFT SPLINE ENGAGEMENT BEING LESS THAN SPECIFIED. THIS COULD RESULT IN STEERING SHAFT SPLINE DISENGAGEMENT WITH 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).
THE REINFORCEMENT INSERTS SPECIFIED IN THE CONNECTORS USED WITH THE SYNFLEX SERVICE BRAKE HOSES TO THE BOGIE WHEELS MAY HAVE BEEN OMITTED. THIS COULD RESULT IN INADEQUATE RETENTION OF THE HOSE TO THE CONNECTOR WHICH COULD ALLOW THE HOSE TO DISCONNECT DURING BRAKE APPLICATION, CAUSING LOSS OF BRAKING ON THE AFFECTED WHEELS.
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 TRAILER SUPPLY CONTROL VALVE EXHAUST PORT MAY HAVE INADVERTENTLY PLUGGED AND THE SAFETY VALVE ON THE AIR RESERVOIR MAY HAVE BEEN OMITTED. IF THE TRAILER SUPPLY CONTROL VALVE EXHAUST PORT IS PLUGGED, IT COULD CAUSE INTERMITTENT LOCK-UP OF THE TRAILER BRAKES AND OCCASIONAL DIFFICULTY IN CHARGING THE TRAILER BRAKE AIR SYSTEM. OMISSION OF THE AIR RESERVOIR SAFETY VALVE COULD RESULT IN EXCESSIVE AIR BRAKE SYSTEM PRESSURES IN THE EVENT OF A MALFUNCTION OF THE AIR COMPRESSOR GOVERNOR. CONTINUED VEHICLE OPERATION WITH EXCESSIVE PRESSURE COULD LEAD TO SYSTEM FAILURE.
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.