NHTSA Campaign Id 78V169000; Date: Aug. 7, 1978
1977 Mack RL600; 1978 Mack RL600; 1977 Mack RS600; 1978 Mack RS600
Component: Suspension:front:springs:leaf Spring Assembly:hanger,bracket
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 1,300
The aluminum front spring bracket is defective in that it may shear at the point of frame rail attachment. This shearing could dislocate the steering axle.
The dealer will install a new improved front spring bracket made of ductile iron, without charge to owner.
Vehicle description: heavy trucks. System: suspension; front spring bracket. Consequences of defect: a dislocated steering axle could result in loss ofvehicle control and an accident.
Date Owners notified by Manufacturer: Apr 10, 1979
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