NHTSA Campaign Id 79V255000; Date: Dec. 4, 1979
1978 Ford L Series (heavy); 1979 Ford L Series (heavy); 1980 Ford L Series (heavy); 1978 Ford LNT800; 1979 Ford LNT800; 1980 Ford LNT800; 1978 Ford LNT8000; 1979 Ford LNT8000; 1980 Ford LNT8000; 1978 Ford LNT880; 1979 Ford LNT880; 1980 Ford LNT880; 1978 Ford LNT900; 1979 Ford LNT900; 1980 Ford LNT900; 1978 Ford LNT9000; 1979 Ford LNT9000; 1980 Ford LNT9000
Component: Suspension:multiple Axle
Manufactured by: Ford Motor Company
Affected Units:: 4
The optional tandem suspension assembly may have been installed using a standard beam end adapter kit, rather than the required special kit. Progressive deterioration could occur to the adapter to beam end bushing joint, possibly resulting in fracture of the beam to axle attaching bolts.
The incorrect beam adapters will be replaced on new units and beam end adapters and bushings will be installed on units in service, free of charge.
Vehicle description: trucks equipped with optional tandem suspension. System: suspension; bushing joint. Consequences of defect: if bolt fracture occurs, the rear axle assembly couldshift, adversely affecting vehicle handling and possibly causing a vehicleaccident.
Date Owners notified by Manufacturer: Feb 13, 1980
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