Mack Dmm Recalls

Certain vehicles do not comply with the requirements of CMVSS 121 "Air Brake Systems". Due to improper seating of the check valve retainer in the brass fitting housing, it is possi

Certain trucks equipped with e-tech engines. A condition exists on the auxiliary drive shaft of the e-tech engine that causes the loss of power steering on vehicles where the power

Certain heavy-duty trucks equipped with certain Meritor-Wabco brake system relay valves manufactured by Haldex Brake Systems. The valve may stick open when a high-pressure applicat

VEHICLES ARE EQUIPPED WITH ROCKWELL FRONT DRIVE STEER AXLE ASSEMBLIES WITH TRW "TURNBUCKLE STYLE" CROSS-TUBES WHICH MAY FRACTURE WHEN SUBJECTED TO IMPACT LOADING. THIS COULD RESULT

A TOLERANCE MISMATCH IN THE CRANK ASSEMBLY OF THE ROBERT BOSCH WINDSHIELD WIPER MOTOR SYSTEM COULD CAUSE INSTANTANEOUS SEPARATION OF THE CRANK FROM THE LINKAGE ASSEMBLY IN THE LEFT

THE ROCKWELL STEERING ARM ON THESE VEHICLES MAY DEVELOP CRACKS WHICH COULD ULTIMATELY LEAD TO STEERING ARM FAILURE AND LOSS OF STEERING CONTROL WITHOUT PRIOR WARNING. CORRECTION: R

THE HIGH PRESSURE POWER STEERING HOSE MAY NOT MEET THE RATED BURST STRENGTH PRESSURE REQUIREMENTS. HOSE FAILURE WITH SUBSEQUENT LOSS OF STEERING POWER ASSIST AND INCREASED STEERING

DOWELS, WHICH LOCATE AND PREVENT MOVEMENT BETWEEN THE SPRING CAP AND THE AXLE HOUSING ON THE SS65 BOGIE, MAY HAVE BEEN OMITTED DURING INSTALLATION OF THE SPRING CAPS. OMISSION OF T

SOME OF THE NUTS/BOLTS USED TO FASTEN THE STEERING PITMAN ARM MAY LOOSEN AND COULD CAUSE LOSS OF STEERING CONTROL AND A VEHICLE CRASH WITHOUT PRIOR WARNING. CORRECTION: THE NUTS/BO

THE CLAMP PLATES BETWEEN THE DRIVE SHAFT AND CARRIER YOKE COULD CRACK. A BROKEN CLAMP PLATE WOULD RESULT IN THE YOKE FLYING OFF AT THE DETACHED POINT. THIS COULD CAUSE INJURY FROM

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 T

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

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 O

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-

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 SE

TRUCKS EQUIPPED WITH MACK FA AND FAW 6A6 AND 617 SERIES FRONT STEERING AXLES. THE CROSS STEERING ARMS MAY HAVE INSUFFICIENT FATIGUE LIFE IN THE NECK AREA NEAR THE BOSS FOR THE CROS

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 DE

TRUCKS EQUIPPED WITH CERTAIN SEAT BELT ASSEMBLIES MANUFACTURED BY INDIANA MILLS AND MANUFACTURING INC. THE SEAT BELT ASSEMBLIES, STYLE NO. IMM-385 AND B1000R-P, PERFORMED MARGINALL

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

VEHICLES ARE EQUIPPED WITH ROCKWELL INTERNATIONAL FDS 1807 OR 1808 FRONT DRIVE AXLES AND ROCKWELL MALLEABLE IRON WHEEL HUBS. (PART NO. 333-R-2382) A DESIGN DEFICIENCY EXISTS IN THE

A MATERIAL DEFECT EXISTS IN THE BEARING CAPS OF THE CORDAN JOINT ASSEMBLY. FAILURE OF THIS JOINT CAN RESULT IN LOSS OF STEERING CONTROL WITHOUT WARNING.

THE PRIMARY AND SECONDARY AIR SUPPLY LINES MAY HAVE BEEN CONNECTED IN REVERSE AT THE DUAL BRAKE TREADLE VALVE.

TRUCKS EQUIPPED WITH ROCKWELL MODEL FDS 1600 OR FDS 1802 FRONT DRIVING AXLE ASSEMBLIES FITTED WITH ROCKWELL ANTI-WHEEL LOCK SYSTEMS SOME ROCKWELL AXLE ASSEMBLIES EQUIPPED WITH ROCK