1969 mack fcs
Recall No.
80V053000
Report Receipt Date:
May 6, 1980
Component(s):
STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
SUMMARY
THE STEERING ARM MAY DEVELOP CRACKS DUE TO INSUFFICIENT FATIGUE LIFE IN THE MACHINE RADIUS OF THE TAPER AT THE STEERING KNUCKLE END.
CONSEQUENCE
-
REMEDY
INSTALL STEERING ARMS THAT HAVE BEEN MAGNA-FLUX INSPECTED FOR CRACKS AND SHOT PEENED FOR IMPROVED FATIGUE LIFE. THIS WILL BE DONE WITHOUT CHARGE.
NOTES
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING ASSEMBLY; STEERING ARM.CONSEQUENCES OF DEFECT: CONTINUED OPERATION COULD LEAD TO FAILURE OF THESTEERING ARM, LOSS OF STEERING CONTROL WITHOUT PRIOR WARNING, AND POTENTIAL FORVEHICLE ACCIDENT.