Defect summary
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.
Consequence
THE ABSENCE OF A CHECK VALVE COULD CAUSE INCREASED STOPPING DISTANCES.
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.
Notes
ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Source: NHTSA ODI recalls file, campaign 02V062000. Text as published by NHTSA.