NHTSA recall 99V055003
Service brakes, air
Kenworth Kenworth and 1 more
Reported Apr 6, 1999493 vehicles affectedPACCAR, INCORPORATEDMaker’s number 99KW01/99PB01Built Jan 11, 1999 – Jan 14, 1999
The defect
Vehicle description: heavy duty trucks 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.