NHTSA Campaign Id 81V154000; Date: Dec. 29, 1981
1976 Mack CF; 1977 Mack CF; 1978 Mack CF; 1979 Mack CF; 1980 Mack CF; 1981 Mack CF
Component: Steering:wheel And Handle Bar
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 826
The floorboard opening and the steering column seal bracket may not allow sufficient clearance for the shaft to turn freely in the center of the bracket/seal. The pinch bolt in the column yoke may bind or lock the column against the bracket, allowing little or no wheel return.
Dealer will enlarge the hole in the floorboard to provide clearance for the steering column u-joint pinch bolt. A new bracket and clamp will also be installed without charge to owner.
Vehicle description: truck fire chassis equipped with sgp48 steering gear. System: steering; u-joint, floorboard. Consequences of defect: if the steering assembly locks in place, loss ofvehicle control, without warning, and an accident could result.
Date Owners notified by Manufacturer: Aug 5, 1982
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