SERVICE BRAKES, AIR
Aug 30, 1999
166 units potentially affected
The defect: VEHICLE DESCRIPTION: DUAL STEER CLASS 8 HEAVY DUTY TRUCKS. THE FRONT STEER AXLE BRAKES DO NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS."
The risk: A SLOW BRAKE RELEASE TIME CAN CAUSE PREMATURE BRAKE WEAR WHICH IF LEFT UNCHECKED COULD LEAD TO BRAKE FAILURE AND VEHICLE CRASH.
The remedy: DEALERS WILL INSTALL A RELAY VALVE IN THE FRONT STEERING AXLE BRAKE SYSTEM.