How many recalls does the 1979 Mack Rm400 have?

The 1979 Mack Rm400 has 1 NHTSA safety recall campaign on record.

How do I check if my 1979 Mack Rm400 has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

1979 Mack Rm400 Recalls

Recalls on record Updated July 2026

The 1979 Mack Rm400 has 1 NHTSA recall campaign affecting an estimated 209 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

EXTERIOR LIGHTING 81V153000 1981-12-29 209 affected

Defect

THE RIGHT HAND CLEARANCE LAMP IS OBSCURED, FROM CERTAIN ANGLES OF VISION, BY THE IN-LINE PRECLEANER AIR CLEANER CAP. THE INVOLVED VEHICLES FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT".

Remedy

DEALER WILL REPLACE THE AIR CLEANER WITH ONE OF ACCEPTABLE HEIGHT.

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1979 Mack Rm400 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.