NHTSA Campaign Id 68V134000; Date: Dec. 23, 1968
1966 Mack Mack; 1967 Mack Mack; 1968 Mack Mack
Component: Service Brakes, Hydraulic:pedals And Linkages
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 3,064
Possibility that clevis, which is part of linkage through which frame- mounted auxiliary spring brakes are applied, may fail due to clevis material not meeting material and casting quality specifications. Failure of clevis could interfere with auxiliary brake application, and create hazard under certain operating conditions. (correct by installing new and improved clevis. )
Date Owners notified by Manufacturer: Dec 18, 1968
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