CANADA Transport Canada Safety Recalls
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Canadian Safety Recalls Database

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7 Active Safety Recalls

1978 Mack U Recall

Safety defect investigations, technical specifications, and manufacturer repair notices for Canadian owners.

7
Safety Recalls
CMVSS
Safety Standard
Transport Canada
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Active Safety Recalls (7)

Safety recall notices and repair campaigns registered for the 1978 Mack U in Canada.

Ref #1980-076 Campaign : SC 126
1980-05-08 N/D units

Not Entered

Issue Description

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

Safety Risk

A failure of this component (not entered) may increase the risk of a crash or injury.

Corrective Action & Repair

Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).

View government recall bulletin Free parts & labor under Motor Vehicle Safety Act
Ref #1979-098 Campaign : SC 117
1979-06-04 2 824 units

Not Entered

Issue Description

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.

Safety Risk

A failure of this component (not entered) may increase the risk of a crash or injury.

Corrective Action & Repair

Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).

View government recall bulletin Free parts & labor under Motor Vehicle Safety Act
Ref #1979-081 Campaign : SC 113
1979-05-04 599 units

Not Entered

Issue Description

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.

Safety Risk

A failure of this component (not entered) may increase the risk of a crash or injury.

Corrective Action & Repair

Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).

View government recall bulletin Free parts & labor under Motor Vehicle Safety Act
Ref #1979-009 Campaign : SCO111
1979-01-16 2 797 units

Not Entered

Issue Description

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.

Safety Risk

A failure of this component (not entered) may increase the risk of a crash or injury.

Corrective Action & Repair

Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).

View government recall bulletin Free parts & labor under Motor Vehicle Safety Act
Ref #1978-122 Campaign : SCO 108
1978-11-03 5 units

Not Entered

Issue Description

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.

Safety Risk

A failure of this component (not entered) may increase the risk of a crash or injury.

Corrective Action & Repair

Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).

View government recall bulletin Free parts & labor under Motor Vehicle Safety Act
Ref #1978-106 Campaign : SCO 106
1978-10-05 160 units

Not Entered

Issue Description

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.

Safety Risk

A failure of this component (not entered) may increase the risk of a crash or injury.

Corrective Action & Repair

Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).

View government recall bulletin Free parts & labor under Motor Vehicle Safety Act
Ref #1977-163 Campaign : N/D
1978-02-16 1 788 units

Not Entered

Issue Description

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.

Safety Risk

A failure of this component (not entered) may increase the risk of a crash or injury.

Corrective Action & Repair

Authorized dealerships will inspect the vehicle and complete all necessary repairs free of charge (parts and labor).

View government recall bulletin Free parts & labor under Motor Vehicle Safety Act
Vehicle Profile & Safety Standards

Vehicle Specifications & Compliance Benchmark

Official Transport Canada safety campaigns, Canadian motor vehicle safety compliance standards and live VIN specifications.

Safety Recall Coverage
7 bulletins
Transport Canada safety defect records
Safety Compliance
CMVSS / NSVAC
Motor Vehicle Safety Act standards
NRCan EnerGuide
Trim-Specific
Varies by engine, drive & transmission
VIN Specifications
14 Attributes
Decode exact engine & plant via VIN above

All Mack U Model Years

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