WHITE TRUCK ROAD BOSS 2 1977: WHEELS:HUB
NHTSA Campaign ID Number: 77V237000
| Make | Model | Year |
|---|---|---|
| WHITE TRUCK | ROAD BOSS 2 | 1977 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1977-12-21 | 1977-12-28 | 1979-10-12 |
Manufacturers Involved: Volvo Trucks North America
Component: WHEELS:HUB
Potential Number Of Units Affected: 888
Report Initiator: MFR MFR Report
THE ALUMINUM HUBS ON THE INVOLVED VEHICLES MAY BE SUBJECT TO FAILURE DUE TO CRACKS THAT MAY DEVELOP AROUND THE BASE OF THE INNER BEARING CUP. THESE CRACKS MAY SPREAD AROUND THE BARREL OF THE HUB AND MAY LEAD TO FRACTURE AND HUB SEPARATION. THE SEPARATED HUB IS RETAINED ON THE AXLE SPINDLE BY THE WHEEL BEARING ADJUSTING NUT.
DEALER WILL INSPECT AND WILL REPLACE FRONT AXLE ALUMINUM HUBS WITH STEEL ONES, WITHOUT CHARGE.
VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: WHEELS; ALUMINUM HUBS.CONSEQUENCES OF DEFECT: CONTINUED VEHICLE OPERATION FOLLOWING HUB FAILURE MAYLEAD TO BRAKE LOCK-UP, TIRE BLOW-OUT, OR DISENGAGEMENT OF THE HUB, TIRE, ANDWHEEL ASSEMBLY FROM THE VEHICLE. LOSS OF VEHICLE CONTROL AND AN ACCIDENT MAYRESULT IN EACH CASE.NOTE: AN AUDIBLE SOUND MAY BE HEARD AT THE INSTANT HUB SEPARATION OCCURS. UNTILREPLACEMENT HUBS ARE OBTAINED, HUBS SHOULD BE VISUALLY CHECKED FOR THE PRESENCEOF CRACKS. IF CRACKS ARE FOUND, THE VEHICLE SHOULD IMMEDIATELY BE REMOVED FROMSERVICE AND THE DEALER NOTIFIED.
