THE FRONT WHEEL RIM CLAMP STUDS, INSTALLED ON THE INVOLVED VEHICLES
— Recall Campaign #77V096000
THE FRONT WHEEL RIM CLAMP STUDS, INSTALLED ON THE INVOLVED VEHICLES, MAY NOT HAVE BEEN MANUFACTURED CORRECTLY, CAUSING A BRITTLE CONDITION IN THE THREAD ROOT AREA. THE STUDS COULD EVENTUALLY CRACK AND BREAK WHEN WHEEL NUTS ARE TIGHTENED TO SPECIFICATIONS.
The recall was influenced by the manufacturer with about 825 units affected.
NHTSA Safety Recall Notice
77V096000
| Manufacturer: | Mack Trucks, Inc. |
|---|---|
| Recall date: | June 17, 1977 |
| NHTSA Campaign #: | 77V096000 |
| Units affected: | 825 |
- Description:
- THE FRONT WHEEL RIM CLAMP STUDS, INSTALLED ON THE INVOLVED VEHICLES, MAY NOT HAVE BEEN MANUFACTURED CORRECTLY, CAUSING A BRITTLE CONDITION IN THE THREAD ROOT AREA. THE STUDS COULD EVENTUALLY CRACK AND BREAK WHEN WHEEL NUTS ARE TIGHTENED TO SPECIFICATIONS.
- Consequeces:
- Corrective action:
- THE DEALER WILL REPLACE ALL SUSPECT FRONT WHEEL STUDS, WITHOUT CHARGE TO OWNER.
- Notes:
- VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: WHEELS; STUDS.CONSEQUENCES OF DEFECT: WHEEL STUD FAILURE COULD CAUSE A LOOSENED TIRE ASSEMBLYAND IMPAIRED VEHICLE CONTROL. FAILURE OF MORE THAN ONE STUD COULD CAUSESEPARATION OF THE TIRE AND RIM ASSEMBLY, CAUSING LOSS OF VEHICLE CONTROL AND ANACCIDENT.NOTE: DRIVER MAY BE ALERTED TO THE CONDITION BY A WOBBLE OR VIBRATION IN THEAFFECTED WHEEL.