Recalls for 1999 Navistar 2600

DEFECT #1 - SERVICE BRAKES, AIR

Posted on: 1999-03-23
Description
Vehicle description: heavy duty trucks, transit and school buses, equipped with meritor air brake automatic slack adjusters.  Some of the automatic slack adjusters had insufficient torque applied to the guide pawl cap screw.

Consequence
Without sufficient torque on the guide pawl cap screw, the brakes could gradually lose adjustment, increasing the vehicle stopping distance.

Corrective Action
Dealers will check the torque on the automatic slack adjuster guide pawl.  If there is no torque, the brakes will be adjusted and the guide pawl will be tightened to 15-20 ft.  Lbs.

Notes
Owner notification began march 22, 1999.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).

DEFECT #2 - SUSPENSION:FRONT:WHEEL BEARING

Posted on: 1999-03-17
Description
Vehicle description: class 8 heavy duty truck chassis equipped with 16,000 lb., 18,000 lb., or 20,000 lb.  Heavy duty steering axles.  The inner wheel bearing cone for the steering axle wheel hub assembly does not properly fit onto the navistar steering axle spindle assembly.  Improper fit of the bearing to the spindle increases the stress levels to the steering axle spindle which could cause spindle failure.

Consequence
If the spindle fails, a loss of driver control could occur, increasing the risk of a vehicle crash.

Corrective Action
Dealers will remove the left and right hub/drum assemblies from the steering axles and replace the inner wheel bearing cones and cups.

Notes
Owner notification began march 29, 1999.  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 naavistar 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).