Mack 1972–1977 Engine And Engine Cooling recall
Recalled October 12, 1977 · NHTSA recall 77V173000 · Mack
Remedy
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE.
Units
48,000 units
Description
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 to do
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE.
Product
Mack CF · Mack DM · Mack DMM · Mack F · Mack FL · Mack FS · Mack HMM · Mack R · Mack RD · Mack RL · Mack RM · Mack U · Mack WL · Mack WS
Manufacturer(s)
Mack Trucks, Inc.
Source: U.S. National Highway Traffic Safety Administration. Official recall notice on nhtsa.gov →