Recall
Mack R — 77V173000
NHTSA ID
77V173000
Make
Mack
Model
R
Years Affected
1976
Recall Date
1977-10-12
Component
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
Units Affected
48,000
Completion Rate
—
Mfr Campaign No.
Summary
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.
Remedy
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE.