Mack Cl Recalls

On certain vehicles, the front axle beam may not have been manufactured correctly. Transverse shear lines on the bottom of the axle could allow cracks to form which, over time, may

On certain trucks, the fifth wheel hitch assembly's lever arm may have been incorrectly installed during the manufacturing process. The lever arm pivot bolt may have been over-tigh

On certain trucks, the adjustable torque rod used on the Chalmers rear suspension may be brittle. This may lead to premature failure of the rod, which may result in a loss of contr

On certain vehicles, the air brake fittings may unexpectedly separate from the plastic housing. If the push-to-connect cartridge that supplies the air to the park brake chambers we

On certain vehicles, the bolts that attach the steering gear to the frame may not have been torqued to specs during vehicle assembly. As a result, steering performance may be affec

On certain vehicles, the rear suspension transverse beam castings were not made to specifications. If a casting were to break when the vehicle is in motion, parts could become proj

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

On certain vehicles, additional axles were installed to increase the gross vehicle weight capacity but the parking brake capacity was not increased accordingly therefore not comply

Certain heavy-duty trucks equipped with TRW 20-EDL Ball Sockets were manufactured with a case depth and/or hardness that were below specifications. A bearing that is below specific

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 TRW tie rod ends on certain Meritor axles. The tie rod and drag link ball stud ends contain bearings that are below the specified case depth

On certain heavy-duty trucks equipped with Dana Spacer Tandem drive axle models DS463 an undersized attachment weld may fracture without warning. The loss of this attachment to the

Certain heavy-duty trucks equipped with drag link assemblies containing 24-DL model ball sockets and manufactured by TRW. Certain of the tie rod ball-socket bearings have a below-s

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

Certain heavy-duty trucks equipped with tie rod sockets model ball sockets and manufactured by TRW. Certain of the tie rod ball-socket bearings have a below-specification case dept

On certain vehicles, the return springs on the accelerator pedals are made of stainless steel or electroplated music wire. The design fatigue stress of the stainless steel springs

On certain vehicles, an improperly machined steering axle wheel hub inner wheel bearing cone can result in an improper fit onto the steering axle spindle assembly, which can eventu

IF THE DRAG LINK AXLE STEERING ARM CONNECTION IS NOT TORQUED AND THE COTTER PIN IS NOT INSTALLED, THE NUT COULD BACK OFF DURING VEHICLE OPERATION. IF THE NUT BACKS OFF, THERE COULD

NOTE: CLASS 8 TRUCKS. INSUFFICIENT TORQUE OF THE U-JOINT BEARING STRAP BOLTS CAN LEAD TO A BROKEN STRAP. IF THE STRAP BREAKS, THE DRIVESHAFT WOULD WOBBLE, POSSIBLY RESULTING IN SEP

DEFECT: VEHICLES NOT EQUIPPED WITH A PROTECTIVE PRESSURE RELIEF VALVE BETWEEN THE AIR COMPRESSOR AND AIR DRYER, HAVE THE POSSIBILITY OF BECOMING OVERPRESSURIZED AND THE AIR DRYER M

NOTE: CLASS 8 TRUCKS. THE BOLTS THAT RETAIN THE DRIVELINE YOKES TO THE TRUCK'S REAR AND REAR REAR CARRIERS MAY BE DEFECTIVE AND COULD FAIL AND ALLOW THE DRIVELINE TO SEPARATE FROM

THESE VEHICLES DO NOT COMPLY WITH C.M.V.S.S. 210 - SEAT BELT ASSEMBLY ANCHORAGES.

ON VEHICLES USED IN LOGGING OPERATIONS, CERTAIN HENDRICKSON SUSPENSION SPRING HANGER BRACKETS MAY FRACTURE. SPRING HANGER FAILURE COULD CAUSE SEPARATION OF VEHICLE COMPONENTS AND R