FATIGUE CRACKS DEVELOP IN THE FRONT AXLE KNUCKLE SUPPPORT ON HIGH MILEAGE VEHICLES THAT CAN CAUSE KNUCKLE FAILURE.
Consequence
KNUCKLE FAILURE CAN RESULT IN POSSIBLE WHEEL ASSEMBLY SEPARATION AND A LOSS OF VEHICLE CONTROL.
Remedy
REPLACE THE FRONT AXLE KNUCKLE ASSEMBLIES WITH A REDESIGNED KNUCKLE THAT HAS A RADIUS IN THE AREA WHERE CRACKS HAVE BEEN FOUND.
SYSTEM: SUSPENSION; I-BEAM; SOLID; FRONT SPINDLE; KNUCKLE.VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS WITH GKN FRONT AXLES.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED IN A REASONABLE AMOUNT OF TIME AND FREE OF CHARGE OR THE REMEDY DOES NOT CORRECT THE DEFECT, PLEASE CONTACT FREIGHTLINER AT 1-503-735-8000. ALSO, CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.
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