NHTSA recall campaign
91V221000
ManufacturerOSHKOSH TRUCK CORPORATIONReported1991-12-30Affected42 vehicles
What was wrong
Defect
THE WHEEL STUD USED FOR THE HUBS ON THE REAR-STEER WHEELS HAS A DIAMETER TOO SMALL TO HANDLE THE MAXIMUM RECOMMENDED TORQUE, AND WILL SUFFER FROM A FATIGUE FAILURE FROM THE CYCLIC STRESSES OF VEHICLE USE AND THE TORQUING OF THE WHEEL NUT.
Risk
FAILURE OF ONE WHEEL STUD CAN LEAD TO SUBSEQUENT FAILURESOF ALL THE STUDS ON THE HUB, LEADING TO SEPARATION OF THE WHEEL AND TIREASSEMBLY FROM A VEHICLE, RESULTING IN LOSS OF STEERING CONTROL AND AN ACCIDENT.
Manufacturer remedy
REPLACE THE WHEEL STUD WITH A NEWER, WIDER DIAMETER WHEEL STUD.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →