THE WHEEL STUD USED FOR THE HUBS ON THE REAR-STEER WHEELS HAS A DIAMETER TOO SMALL TO HANDLE THE MAXIMUM
— Recall Campaign #91V221000
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.
The recall was influenced by the manufacturer with about 42 units affected.
NHTSA Safety Recall Notice
91V221000
| Manufacturer: | Oshkosh Corporation |
|---|---|
| Recall date: | December 30, 1991 |
| NHTSA Campaign #: | 91V221000 |
| Units affected: | 42 |
- Description:
- 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.
- Consequeces:
- 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.
- Corrective action:
- REPLACE THE WHEEL STUD WITH A NEWER, WIDER DIAMETER WHEEL STUD.
- Notes:
- SYSTEM: WHEELS.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH REAR-STEER AXLES USED AS SNOW BLOWERS ORSNOW PLOWS.