NHTSA Campaign Id 68V014000; Date: Feb. 27, 1968
1966 GMC HG5500; 1967 GMC HG5500; 1966 GMC HG7500; 1967 GMC HG7500; 1966 GMC HM5500; 1967 GMC HM5500; 1966 GMC HM7500; 1967 GMC HM7500
Component: Steering:wheel And Handle Bar
Manufactured by: General Motors Corp.
Affected Units:: 2,910
Possibility the flexible coupling upper flange-to-steering shaft clamp bolt may not have been properly tightened during assembly. If this bolt loosens, the mating splines of the flexible coupling flange and lower steering shaft could wear and the bolt eventually fall out, with a resultant loss of steering control. (correct by properly torquing bolt. )
Date Owners notified by Manufacturer: Feb 22, 1968
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