NHTSA Campaign Id 72V259000; Date: Oct. 27, 1972
1966 Mack FL; 1967 Mack FL; 1968 Mack FL; 1969 Mack FL; 1970 Mack FL; 1971 Mack FL; 1972 Mack FL; 1966 Mack FS; 1967 Mack FS; 1968 Mack FS; 1969 Mack FS; 1970 Mack FS; 1971 Mack FS; 1972 Mack FS; 1966 Mack RL; 1967 Mack RL; 1968 Mack RL; 1969 Mack RL; 1970 Mack RL; 1971 Mack RL; 1972 Mack RL; 1966 Mack RS; 1967 Mack RS; 1968 Mack RS; 1969 Mack RS; 1970 Mack RS; 1971 Mack RS; 1972 Mack RS
Component: Suspension:rear
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 1,755
Mack truck campaign no sco37. Trucks equipped w/radl 5281 or r170 rear axle. Possibility that rear spring clamp plate may develop cracks which could lead toclamp failure. If clamp fails it would permit the axle to shift on spring andcould interfere with vehicle control. (correct by inspecting and replacingspring clamp plates with improved types. )
Date Owners notified by Manufacturer: Jan 19, 1973
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