NHTSA recall 99V055001
Service brakes, air
Navistar 2500 and 13 more
Reported Mar 16, 19991,547 vehicles affectedINTERNATIONAL TRUCK AND ENGINEMaker’s number 99504Built Jan 11, 1999 – Jan 20, 1999
The defect
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.
The risk
Without sufficient torque on the guide pawl cap screw, the brakes could gradually lose adjustment, increasing the vehicle stopping distance.
The remedy
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.