NHTSA Campaign Id 74V032000; Date: Feb. 25, 1974
1971 Mack DM; 1972 Mack DM; 1971 Mack F; 1972 Mack F; 1971 Mack FL; 1972 Mack FL; 1971 Mack FS; 1972 Mack FS; 1971 Mack MB; 1972 Mack MB; 1971 Mack R; 1972 Mack R; 1971 Mack RL; 1972 Mack RL; 1971 Mack RS; 1972 Mack RS; 1971 Mack U; 1972 Mack U
Component: Power Train:axle Assembly:banjo Housing
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 9,019
Mack trucks campaign no n/a. With sn56 and sw57 bogie housings. Built mar1971 thru Jun 1972. Trucks. Possibility that the bogie housing wall thicknessat the left inner wheel bearing race may not meet specific dimensionalrequirements. If this condition exists, it could lead to spindle failure,resulting in loss of a rear wheel assembly. (correct by inspecting andreplacing brgie housing where necessary).
Date Owners notified by Manufacturer: Aug 13, 1974
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