United States 82V114000
FREIGHTLINER LLC
The problem
BRAKES MAY FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THE AIR BRAKES ON THE FRONT AXLE MAY NOT ACTUATE AND RELEASE WITHIN THE TIME REQUIRED FOR SAFE BRAKING. THE BRAKES MAY EXCEED THE .55 SECOND LIMITS.
What owners should do
THE DEALER WILL MODIFY THE BRAKE SYSTEM BY ADDING AN AIR BRAKE RELAY VALVE AND NECESSARY PIPING TO THE FRONT AXLE AIR BRAKE SYSTEM FREE OF CHARGE.
Units 249