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Mack MS300 Recalls & Complaints by Model Year

NHTSA lists 2 safety recalls and 0 owner complaints across 3 model years of the Mack MS300 (1988–1990).

2
safety recalls, all years
0
owner complaints, all years
1989
year with most recalls

Pick your Mack MS300 model year

Model yearRecallsComplaints
1990 Mack MS30020
1989 Mack MS30020
1988 Mack MS30010

All Mack MS300 recalls (2)

Every NHTSA safety campaign that lists a Mack MS300, most recent first, with the model years each one covers.

  1. Rack and pinion (steering)

    NHTSA 90V140000 Reported 1,770 vehicles potentially affected RVI INC.

    Capscrew that attaches steering gear to the steering bracket may loosen and cause the gear to separate from its supporting bracket.

    Remedy: Replace the steering bracket and capscrews.

    Model years: 1988, 1989, 1990

  2. Rack and pinion (steering)

    NHTSA 90V139000 Reported 2,135 vehicles potentially affected RVI INC.

    Capscrew that attaches steering gear to the steering bracket may loosen and cause the gear to separate from its supporting bracket.

    Remedy: Properly torque capscrews.

    Model years: 1989, 1990

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.