Mack Dm Recalls in Canada (1967–2004)

Mack Dm — Suspension High risk

Jul 7, 2009 Model years: 2003, 2004

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

Also affects: Mack Cl, Mack Cv, Mack Le, Mack Mr, Mack Rb

Mack Dm — Steering High risk

Apr 6, 2005 Model years: 2004

On certain trucks, the upper and lower steering shaft pinch bolts were improperly tightened. As a result, the steering shaft could come loose which could lead to a sudden loss of v

Also affects: Mack Ct, Mack Cv, Mack Rb

Mack Dm — Brakes High risk

Jul 7, 2004 Model years: 2003, 2004

On certain vehicles equipped with 18,000 lb and 20,000 lb front axle assemblies, the front brake chamber is too small to meet the stopping distance requirements of CMVSS 121. Corre

Also affects: Mack Ch

Mack Dm — Brakes High risk

Oct 15, 2002 Model years: 1997, 1998, 1999, 2000, 2001, 2002

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

Also affects: Mack Ch, Mack Cl, Mack Cv, Mack Le, Mack Mr

Mack Dm — Steering High risk

Feb 27, 2002 Model years: 1999

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

Also affects: Mack Cl, Mack Cv, Mack Mr, Mack Rb, Mack Rd6

Mack Dm — Brakes High risk

Feb 27, 2002 Model years: 2001

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

Also affects: Mack Ch, Mack Cl, Mack Cv, Mack Cx, Mack Dmm

Mack Dm — Engine High risk

Oct 26, 2000 Model years: 1999, 2000

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

Also affects: Mack Ch, Mack Cl, Mack Cx, Mack Le, Mack Mr

Mack Dm — Suspension High risk

Mar 17, 1999 Model years: 1998

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

Also affects: Mack Cl, Mack Le, Mack Mr, Mack Rb, Mack Rd

Mack Dm — Brakes High risk

Jul 6, 1995 Model years: 1992, 1993, 1994, 1995

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

Also affects: Mack Ch, Mack Cl, Mack Mr, Mack Rb, Mack Rd

Mack Dm — Powertrain High risk

Mar 3, 1993 Model years: 1992, 1993

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

Also affects: Mack Cl, Mack Rd, Mack Ch, Mack Mh, Mack Rb

Mack Dm — Visual System High risk

Apr 4, 1990 Model years: 1989

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

Also affects: Mack Dmm, Mack R, Mack Rb, Mack Rd, Mack Rm

Mack Dm — Steering High risk

Jan 9, 1990 Model years: 1987, 1988

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

Also affects: Mack Dmm, Mack R, Mack Rd, Mack Rm, Mack Rw

Mack Dm — Steering High risk

Jun 14, 1989 Model years: 1987, 1988, 1989

NOTE: VEHICLES MANUFACTURED AT THE WINNSBORO, SOUTH CAROLINA FACILITY. THE STEERING WHEEL RETAINING NUTS MAY HAVE BEEN IMPROPERLY INSTALLED AND/OR TORQUED. IF EITHER OF THESE PROCE

Also affects: Mack Ch, Mack R, Mack Rd, Mack U

Mack Dm — Suspension High risk

Mar 10, 1989 Model years: 1987, 1988

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

Also affects: Mack Dmm, Mack Mh, Mack Rd, Mack Rw

Mack Dm — Brakes High risk

Aug 5, 1988 Model years: 1985, 1986

THESE VEHICLES DO NOT COMPLY WITH C.M.V.S.S. 106 - BRAKE HOSES (BURST STRENGTH).

Also affects: Mack Cf, Mack Dmc, Mack Mc, Mack Mh, Mack Mhr

Mack Dm — Steering High risk

Aug 5, 1988 Model years: 1987, 1988

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

Also affects: Mack Dmm, Mack R, Mack Rd, Mack Rm, Mack U

Mack Dm — Powertrain High risk

Jun 2, 1988 Model years: 1987

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

Also affects: Mack Dmm, Mack R, Mack Rd, Mack Rm, Mack U

Mack Dm — Steering High risk

Nov 30, 1987 Model years: 1987

ON TRUCKS WITH MACK FA(W)616 OR 617 SERIES FRONT AXLE, THE CROSS STEERING LEVERS MAY BE IMPROPERLY HEAT-TREATED. THIS COULD REDUCE THEIR FATIQUE LIFE AND RESULT IN FAILURE. SUCH A

Also affects: Mack Rd, Mack U, Mack Rs, Mack Cf, Mack Rw

Mack Dm — Suspension High risk

Feb 9, 1987 Model years: 1981, 1982, 1983, 1984, 1985, 1986, 1987

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 CROSSME

Also affects: Mack R, Mack Mr, Mack Rs, Mack Fm, Mack Mh