NHTSA Campaign Id 97V196005; Date: Dec. 29, 1997
Cracks in a hub flange can result in a wheel separation.
1996 Mack CH
Component: Suspension:front:hub
Manufactured by: Mack Trucks, Incorporated
Affected Units:: 103
Vehicle description: heavy duty trucks equipped with design level 1, rockwell ff980 series front axle. The front axle hub flange can develop cracks due to high stress levels.
Dealers will remove and replace the front hubs with an improved design level 2 hub.
Owner notification began March 3, 1998. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011. Also contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.
Date Owners notified by Manufacturer: Mar 3, 1998
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