Mack Mr Recalls in Canada (1977–2007)

Mack Mr — Suspension High risk

Jan 19, 2012 Model years: 2002, 2003, 2004, 2005

On certain trucks, the front axle beam may have been manufactured incorrectly. In certain application the load on the axle could allow stress cracks to form which, over time, may c

Also affects: Mack Le

Mack Mr — Suspension High risk

Jul 7, 2009 Model years: 2002, 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 Dm, Mack Le, Mack Rb

Mack Mr — Brakes High risk

Aug 14, 2007 Model years: 2007

On certain vehicles, the internal rubber check valve inside the Bendix SR-7 spring brake modulating valve can become deformed over time. The effect of this defect is intermittent a

Also affects: Mack Cxn, Mack Cv, Mack Chn, Mack Ctp, Mack Cxp

Mack Mr — Brakes High risk

Jun 19, 2006 Model years: 2007

Certain trucks equipped with Bendix SR-7 spring brake modulating valve may experience an internal air leak if the check valve fails to seat. This may cause a delay in the applicati

Also affects: Mack Ct, Mack Ctp, Mack Cxn, Mack Chn, Mack Cv

Mack Mr — Fuel System High risk

Nov 16, 2005 Model years: 2004, 2005, 2006

On certain vehicles, the bolts attaching the fuel tank mounting brackets to the frame may have insufficient torque and therefore may result in premature failure of the fuel tank mo

Also affects: Mack Le

Mack Mr — Suspension High risk

Jul 7, 2005 Model years: 2004, 2005

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

Also affects: Mack Rd, Mack Cv, Mack Cl, Mack Cx

Mack Mr — Brakes High risk

Dec 5, 2003 Model years: 2003

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

Also affects: Mack Ch, Mack Cl, Mack Cv, Mack Cx, Mack Dm6

Mack Mr — 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 Dm, Mack Le

Mack Mr — 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 Dm, Mack Rb, Mack Rd6

Mack Mr — 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 Dm

Mack Mr — Steering High risk

Feb 27, 2002 Model years: 1999

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

Also affects: Mack Cl, Mack Rd6, Mack Dm6, Mack Cx, Mack Rb

Mack Mr — 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 Dm, Mack Le

Mack Mr — 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 Dm, Mack Le, Mack Rb, Mack Rd

Mack Mr — Other High risk

Nov 28, 1995 Model years: 1994

THESE VEHICLES DO NOT COMPLY WITH REGULATION 8 - RECORDS. THE TURBOCHARGER USED ON THE ENGINES IS NOT THE ONE LISTED ON THE APPLICATION FOR EMISSION CERTIFICATION. CORRECTION: TURB

Mack Mr — Suspension High risk

Jul 19, 1995 Model years: 1993

DEFECT: SUSPECT WHEELS DO NOT HAVE THE DISC AND RIM FILLET WELDED TOGETHER. WHEN SUBJECT TO CERTAIN SIDE LOADS IN OPERATION, THIS COULD CAUSE THE DISC AND RIM TO BECOME SEPARATED,

Mack Mr — 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 Dm, Mack Rb, Mack Rd

Mack Mr — Steering High risk

Nov 17, 1994 Model years: 1990

THE STEERING ARMS ON THESE VEHICLES COULD DEVELOP CRACKS WHICH COULD PROLIFERATE AND EVENTUALLY CAUSE THE ARM TO BREAK WITHOUT WARNING. WHEN MANUFACTURED THESE LEVERS WERE NOT PEEN

Also affects: Mack Mc, Mack R, Mack Rd

Mack Mr — 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 Dm

Mack Mr — Powertrain High risk

Nov 19, 1991 Model years: 1989, 1990, 1991

NOTE: VEHICLES EQUIPPED WITH ALLISON TRANSMISSIONS AND STONE BENNETT SHIFT SELECTORS. THESE VEHICLES DO NOT COMPLY WITH C.M.V.S.S. 102 - TRANSMISSION SHIFT CONTROL SEQUENCE. - GEAR

Mack Mr — 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 Dm, Mack Dmc, Mack Mc, Mack Mh

Mack Mr — Seats And Restraints High risk

Apr 19, 1988 Model years: 1987, 1988

ON VEHICLES WITH RIDER'S SEAT, THE SEAT BELT MOUNTING BOLTS LOCATED ON THE INBOARD SIDE OF THE RIDER'S SEAT MAY BR UNDERTORQUED. THIS COULD LEAD TO LOOSENING AND EVENTUAL SEPARATIO

Mack Mr — 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 Dm, Mack U, Mack Rs, Mack Cf

Mack Mr — 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 Rs, Mack Fm, Mack Mh, Mack Rw