NHTSA Campaign Id 98V228000; Date: Sep. 17, 1998
Bolts will eventually work out or shear resulting in drum and drive shaft separation.
1998 Navistar 3800; 1999 Navistar 3800; 1998 Navistar 4700; 1999 Navistar 4700; 1998 Navistar 4900; 1999 Navistar 4900
Component: Service Brakes, Hydraulic:foundation Components:drum:drum
Manufactured by: International Truck And Engine
Affected Units:: 1,809
Vehicle description: heavy duty trucks equipped with a 1710 drive line and a 12 x 4 hydraulic parking brake. If the brake drum or transmission yoke are not fully seated when the eight bolts are installed connecting the 3-piece joint, the bolts can loosen.
Dealers will inspect the torque of these bolts and re-torque to specification.
Owner notification began October 9, 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 navistar at 1-800-448-7825. Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
Date Owners notified by Manufacturer: Oct 9, 1998
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