1977 White Truck Road Boss 2 Recalls

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NHTSA Campaign Number: 77V237000
Manufacturer: VOLVO TRUCKS NORTH AMERICA
Date of Owner Notification: December 21st, 1977

Defect Summary:
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.

Corrective Summary:
DEALER WILL INSPECT AND WILL REPLACE FRONT AXLE ALUMINUM HUBS WITH STEEL ONES, WITHOUT CHARGE.

Recall Notes:
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.