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."
Safety Risk
A SLOW BRAKE RELEASE TIME CAN CAUSE PREMATURE BRAKE WEAR WHICH IF LEFT UNCHECKED COULD LEAD TO BRAKE FAILURE AND VEHICLE CRASH.
Remedy
DEALERS WILL INSTALL A RELAY VALVE IN THE FRONT STEERING AXLE BRAKE SYSTEM.