Mack Recall 77V173000: Engine And Engine Cooling, Cooling System, Fan
NHTSA recall 77V173000 · announced October 12, 1977 · filed by Mack Trucks, Incorporated · 48,000 units affected
The problem
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.
Official NHTSA recall notice →
Notes
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH SIX-CYLINDER ENGINES.SYSTEM: ENGINE COOLING; FAN.CONSEQUENCES OF DEFECT: BROKEN PIECES CAN BE PROPELLED OUTSIDE OF THE FANSHROUD AND WILL PRESENT AN IMMEDIATE DANGER AND POSSIBLE INJURY TO PERSONSSTANDING NEARBY.NOTE: PRIOR TO CORRECTION, VEHICLE SHOULD NOT BE SERVICED WITH THE HOOD RAISEDAND THE ENGINE RUNNING.
Vehicles covered by this recall
- 1972 Mack Cf
- 1973 Mack Cf
- 1974 Mack Cf
- 1975 Mack Cf
- 1976 Mack Cf
- 1977 Mack Cf
- 1972 Mack Dm
- 1973 Mack Dm
- 1974 Mack Dm
- 1975 Mack Dm
- 1976 Mack Dm
- 1977 Mack Dm
- 1972 Mack Dmm
- 1973 Mack Dmm
- 1974 Mack Dmm
- 1975 Mack Dmm
- 1976 Mack Dmm
- 1977 Mack Dmm
- 1972 Mack F
- 1973 Mack F
- 1974 Mack F
- 1975 Mack F
- 1976 Mack F
- 1977 Mack F
- 1972 Mack Fl
- 1973 Mack Fl
- 1974 Mack Fl
- 1975 Mack Fl
- 1976 Mack Fl
- 1977 Mack Fl
- 1972 Mack Fs
- 1973 Mack Fs
- 1974 Mack Fs
- 1975 Mack Fs
- 1976 Mack Fs
- 1977 Mack Fs
- 1972 Mack Hmm
- 1973 Mack Hmm
- 1974 Mack Hmm
- 1975 Mack Hmm
- 1976 Mack Hmm
- 1977 Mack Hmm
- 1972 Mack R
- 1973 Mack R
- 1974 Mack R
- 1975 Mack R
- 1976 Mack R
- 1977 Mack R
- 1972 Mack Rd
- 1973 Mack Rd
- 1974 Mack Rd
- 1975 Mack Rd
- 1976 Mack Rd
- 1977 Mack Rd
- 1972 Mack Rl
- 1973 Mack Rl
- 1974 Mack Rl
- 1975 Mack Rl
- 1976 Mack Rl
- 1977 Mack Rl
- 1972 Mack Rm
- 1973 Mack Rm
- 1974 Mack Rm
- 1975 Mack Rm
- 1976 Mack Rm
- 1977 Mack Rm
- 1972 Mack U
- 1973 Mack U
- 1974 Mack U
- 1975 Mack U
- 1976 Mack U
- 1977 Mack U
- 1972 Mack Wl
- 1973 Mack Wl
- 1974 Mack Wl
- 1975 Mack Wl
- 1976 Mack Wl
- 1977 Mack Wl
- 1972 Mack Ws
- 1973 Mack Ws
- 1974 Mack Ws
- 1975 Mack Ws
- 1976 Mack Ws
- 1977 Mack Ws
Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.