84Affected configurations shown48,000Potential units affected—Latest completion context
What can happen
Safety consequence
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.
What fixes it
Official remedy
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE.
Recall lifecycle
Repair completion history
Campaign-level completion reporting. This does not determine whether a particular VIN has been repaired.
Latest reported completion: available in the live DOT record.
Affected vehicles
Vehicle configurations connected to 77V173000
1977 MACK ROpen vehicle record →1977 MACK CFOpen vehicle record →1977 MACK DMOpen vehicle record →1977 MACK FOpen vehicle record →1977 MACK RDOpen vehicle record →1977 MACK RMOpen vehicle record →1977 MACK UOpen vehicle record →1977 MACK FSOpen vehicle record →1977 MACK HMMOpen vehicle record →1977 MACK FLOpen vehicle record →1977 MACK DMMOpen vehicle record →1977 MACK WSOpen vehicle record →1977 MACK WLOpen vehicle record →1977 MACK RLOpen vehicle record →1976 MACK DMMOpen vehicle record →1976 MACK HMMOpen vehicle record →1976 MACK RMOpen vehicle record →1976 MACK WSOpen vehicle record →1976 MACK WLOpen vehicle record →1976 MACK FSOpen vehicle record →1976 MACK RDOpen vehicle record →1976 MACK ROpen vehicle record →1976 MACK UOpen vehicle record →1976 MACK DMOpen vehicle record →1976 MACK CFOpen vehicle record →1976 MACK FLOpen vehicle record →1976 MACK FOpen vehicle record →1976 MACK RLOpen vehicle record →1975 MACK FSOpen vehicle record →1975 MACK FLOpen vehicle record →1975 MACK RLOpen vehicle record →1975 MACK RDOpen vehicle record →1975 MACK ROpen vehicle record →1975 MACK UOpen vehicle record →1975 MACK DMOpen vehicle record →1975 MACK RMOpen vehicle record →1975 MACK FOpen vehicle record →1975 MACK DMMOpen vehicle record →1975 MACK WSOpen vehicle record →1975 MACK WLOpen vehicle record →1975 MACK CFOpen vehicle record →1975 MACK HMMOpen vehicle record →1974 MACK CFOpen vehicle record →1974 MACK FLOpen vehicle record →1974 MACK FSOpen vehicle record →1974 MACK RLOpen vehicle record →1974 MACK ROpen vehicle record →1974 MACK RDOpen vehicle record →1974 MACK UOpen vehicle record →1974 MACK DMOpen vehicle record →1974 MACK WSOpen vehicle record →1974 MACK WLOpen vehicle record →1974 MACK RMOpen vehicle record →1974 MACK FOpen vehicle record →1974 MACK DMMOpen vehicle record →1974 MACK HMMOpen vehicle record →1973 MACK RLOpen vehicle record →1973 MACK RDOpen vehicle record →1973 MACK DMOpen vehicle record →1973 MACK ROpen vehicle record →1973 MACK FLOpen vehicle record →1973 MACK FSOpen vehicle record →1973 MACK UOpen vehicle record →1973 MACK CFOpen vehicle record →1973 MACK FOpen vehicle record →1973 MACK WSOpen vehicle record →1973 MACK WLOpen vehicle record →1973 MACK RMOpen vehicle record →1973 MACK HMMOpen vehicle record →1973 MACK DMMOpen vehicle record →1972 MACK FLOpen vehicle record →1972 MACK RLOpen vehicle record →1972 MACK FSOpen vehicle record →1972 MACK RDOpen vehicle record →1972 MACK DMOpen vehicle record →1972 MACK ROpen vehicle record →1972 MACK CFOpen vehicle record →1972 MACK HMMOpen vehicle record →1972 MACK RMOpen vehicle record →1972 MACK WSOpen vehicle record →
Owner action
Campaign pages describe the public recall record. To determine whether your specific vehicle has an unrepaired recall, use your VIN and verify the current status through NHTSA.