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Mack Rm Series Recalls & Complaints by Model Year

NHTSA lists 6 safety recalls and 0 owner complaints across 4 model years of the Mack Rm Series (1983–1988).

6
safety recalls, all years
0
owner complaints, all years
1988
year with most recalls

Pick your Mack Rm Series model year

Model yearRecallsComplaints
1988 Mack Rm Series40
1987 Mack Rm Series20
1984 Mack Rm Series10
1983 Mack Rm Series10

All Mack Rm Series recalls (6)

Every NHTSA safety campaign that lists a Mack Rm Series, most recent first, with the model years each one covers.

  1. Hose, piping, and connections (steering)

    NHTSA 89V032000 Reported 3,127 vehicles potentially affected MACK TRUCKS, INCORPORATED

    An incorrect high pressure power steering hose may have been installed.

    Remedy: Replace incorrect power steering hoses.

    Model years: 1987, 1988

  2. Engine (engine and engine cooling)

    NHTSA 88V161000 Reported 408 vehicles potentially affected MACK TRUCKS, INCORPORATED

    Certain engine support castings were produced with faulty metallurgy and could fail.

    Remedy: Replace rear engine supports as necessary.

    Model years: 1988

  3. Wheels

    NHTSA 88V153000 Reported 19 vehicles potentially affected MACK TRUCKS, INCORPORATED

    Fasteners that hold the rear wheel to the hub and drum assembly may be improperly torqued.

    Remedy: Properly torque rear wheel space fasteners.

    Model years: 1987

  4. Linkages (steering)

    NHTSA 88V125000 Reported 6,400 vehicles potentially affected MACK TRUCKS, INCORPORATED

    Some of the nuts/bolts used to fasten the steering pitman arm may loosen.

    Remedy: Retorque nuts/bolts where necessary.

    Model years: 1988

  5. Center support bearing (power train)

    NHTSA 88V085000 Reported 203 vehicles potentially affected MACK TRUCKS, INCORPORATED

    Clamp plates used between the drive shaft and carrier yokes may crack and could break due to improper heat treatment.

    Remedy: Install new clamping plates and capscrews in all locations as needed.

    Model years: 1988

  6. Steering wheel/handle bar (steering)

    NHTSA 84V033000 Reported 4,393 vehicles potentially affected MACK TRUCKS, INCORPORATED

    Improper steering clamp bolts and torque applied during installation. The bolt could fail, allowing the steering yoke to become loose.

    Remedy: Inspection and, if necessary, installation of proper steering shaft clamp bolts tightened to specifications.

    Model years: 1983, 1984

Other Mack models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.