Service brakes, air: supply: check valve
- Component
- Service brakes, air: supply: check valve
- Manufacturer
- FREIGHTLINER CORPORATION
- Vehicles affected
- 51
- Reported to NHTSA
- 2002-02-22
- Owners notified
- 2002-05-10
Defect description
CERTAIN BUSES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." THESE BUSES DO NOT HAVE A CHECK VALVE BETWEEN THE WET TANK AND THE SECONDARY TANK.
Safety risk
THE ABSENCE OF A CHECK VALVE COULD CAUSE INCREASED STOPPING DISTANCES.
Manufacturer remedy
DEALERS WILL ADD A CHECK VALVE. THE UNITS AFFECTED ARE ONLY IN THE STATE OF WASHINGTON. OWNER NOTIFICATION BEGAN MAY 10, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT THOMAS BUILT AT 336-889-4871.