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Mack Fm Recalls

3 Transport Canada safety recalls for the Mack Fm, model years 1978–1987. Tap any recall for the hazard, affected models, and corrective action.

Mack Fm — 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 Mh, Mack Rw

Mack Fm — Not Entered High risk

Apr 5, 1984 Model years: 1978, 1979, 1980, 1981, 1982

THE SPRING SEAT, WHICH IS LOCATED BETWEEN THE AXLE HOUSING AND THE REAR SUSPENSION SPRING PACK CAN DEFORM, RESULTING IN REDUCED CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. THIS COUL

Also affects: Mack Cf, Mack F, Mack Mb, Mack Mc, Mack Mr

Mack Fm — Not Entered High risk

Jul 12, 1979 Model years: 1978, 1979

VEHICLES EQUIPPED WITH MACK RA23 OR RA24 REAR AXLES MAY CONTAIN REAR SUSPENSION SPRING SEATS THAT COULD DEFORM ON SPRING DEFLECTION RESURING GEAR OUTPUT SHAFT SPLINES AND ULTIMATEL

Also affects: Mack Rs, Mack Rm, Mack F, Mack Mb, Mack R

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