Recall campaignNHTSA 78V177000 Equipment: mechanical: carrier/rack ComponentEquipment: mechanical: carrier/rackManufacturerGENERAL MOTORS CORP.Vehicles affected237,693Reported to NHTSA1978-08-15Owners notified1978-08-15 Defect descriptionTHE NUT ON THE CARRIER SUPPORT BOLT ASSEMBLY MAY BREAK WHICH WOULD ALLOW THE ENTIRE WHEEL AND TIRE ASSEMBLY TO SEPARATE FROM THE VEHICLE.Manufacturer remedyDEALER WILL REPLACE THE TIRE AND WHEEL CARRIER BOLT ASSEMBLY AT NO CHARGE.