The 1975 Mack Fl has 2 NHTSA recall campaigns affecting an estimated 48,132 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
THE FLEX BLADE FANS ON THE INVOLVED VEHICLES MAY DEVELOP CRACKS IN THE LAMINATED STIFFENER AS A RESULT OF FATIGUE DURING OPERATION. IF SUCH A CONDITION EXISTS AND THE CRACKS GO UNDETECTED, CONTINUED OPERATION COULD CAUSE PIECES OF THE STIFFENER TO BREAK OFF.
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE.
MACK CAMPAIGN NO K1006.TRUCKS WITH PERLUX LAMPS MFG'D NOV.15, 1973 THRUJAN.2, 1975.POSSIBILITY THAT PERLUX ROAD LAMPS CIRCUIT WAS WIRED PARALLELWITH THE HEADLAMPS.THIS RESULTED IN AN ELECTRICAL OVERLOAD AND CAUSED THECIRCUIT BREAKER TO CYCLE OR "TRIP", CAUSING MOMENTARY LOSS OF FORWARDILLUMINATION.(CORRECT BY…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1975 Mack Fl as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.