NHTSA recall campaign
79V082000
ManufacturerMACK TRUCKS, INCORPORATEDReported1979-04-03Affected12,000 vehicles
What was wrong
Defect
AN IMPROPER PINCH BOLT AND NUT MAY HAVE BEEN USED IN THE CLAMPING OF THE STEERING SHAFT TO THE STEERING GEAR INPUT SHAFT. DUE TO CLAMPING FORCE LOADS APPLIED AT THE BOLT, THE NUT COULD YIELD, RESULTING IN LOOSENESS OF THE INPUT SHAFT YOKE. SHOULD THIS CONDITION GO UNNOTICED, SPLINE WEAR COULD CAUSE SHAFT SEPARATION.
Manufacturer remedy
VEHICLES WILL BE INSPECTED AND, IF NECESSARY, THE CORRECT FASTENERS WILL BE INSTALLED AT NO CHARGE TO OWNER.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →