1984 Mack Mh Recall

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).

CRACKS IN THE AXLE BEAM ASSEMBLY MAY LEAD TO A FAILURE OF THE AXLE BEAM END UNDER NORMAL OPERATING CONDITIONS, CAUSING A COMPLETE SEPARATION OF THE WHEELS, TIRES, BRAKE ASSEMBLIES AND STEERING KNUCKLES FROM THE VEHICLE.

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).

THE HOLE IN THE THROTTLE LEVER AND THE STOP PIN MAY BE MISMATCHED, WHICH COULD ALLOW THE PIN TO LOOSEN AND FALL OUT. SHOULD THIS HAPPEN THE TENSION SPRING ATTACHED TO THE THROTTLE LEVER WOULD SEPARATE FROM THE LEVER AND THE LEVER WOULD MOVE TO THE FULL THROTTLE POSITION, IDLE POSITION OR REMAIN IN THE POSITION THE LEVER WAS IN AT THE MOMENT OF FAILURE. THIS COULD CAUSE THE VEHICLE TO CRASH WITHOUT FIRST 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).

ON MODELS WITH DUAL STEERING ARRANGEMENTS, THE DRAG LINKS MAY HAVE BEEN INSTALLED INCORRECTLY WHEREBY SETTING THE CLAMP ON THE AXLE END OF THE DRAG LINK IN THE DOWNWARD POSITION. THIS COULD CAUSE DRAG LINK CLAMP BOLT TO AXLE BEAM INERFERENCE AND COULD RESULT IN INCREASED STEERING EFFORT OR COMPLETE LOCK-UP OF STEERING WHEN THE DRIVER INITIATES A TURNING MANEUVER. SUDDEN BINDING OF STEERING CAPABILITY COULD RESULT IN LOSS OF VEHICLE CONTROL AND POSSIBLE 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).

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).

DUE TO DEFECTIVE PAWL SPRINGS IN THE DOOR LATCHES, IT IS POSSIBLE THAT CAB DOORS COULD JAR OPEN WITHOUT WARNING TO DRIVERS OR PASSENGERS CAUSING POSSIBLE INJURIES OR EVEN RESULTING 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).

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).