NHTSA Campaign 00V162000

SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE

Issued by BLUE BIRD BODY COMPANY · Reported Jun 12, 2000 · 9,687 vehicles affected

What's wrong

VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES EQUIPPED WITH BENDIX AIR BRAKES. BENDIX CHANGED THE INTERNAL DESIGN OF THE QR1C RELAY VALVE BY ADDING A HOLE IN THE INTERNAL DIAPHRAGM. WHEN THE HOLE IN THE DIAPHRAGM ALIGNS WITH THE HOLE IN THE VALVE BODY, THE BRAKE APPLICATION TIME INCREASES.

Consequence

UNDER CERTAIN CONDITIONS, SUCH AS PARKED ON AN INCLINE, DRIVER ACTIVATES THE PARKING BRAKE BUT REMOVES FOOT FROM THE THREADLE VALVE, THE BUS COULD ROLL BEFORE THE PARKING BRAKE IS FULLY ENGAGED.

Remedy

DEALERS WILL REPLACE THE DIAPHRAGMS WITH HOLES WITH SOLID DIAPHRAGMS FOR THE QR1C VALVES.

Vehicles affected by this recall

Make Model Year Units
BLUE BIRD ALL AMERICAN 1997 9,687
BLUE BIRD ALL AMERICAN 1998 9,687
BLUE BIRD ALL AMERICAN 1999 9,687
BLUE BIRD ALL AMERICAN 2000 9,687
BLUE BIRD COMMERCIAL 2000 9,687
BLUE BIRD COMMERCIAL SERIES 1997 9,687
BLUE BIRD COMMERCIAL SERIES 1998 9,687
BLUE BIRD COMMERCIAL SERIES 1999 9,687
BLUE BIRD LTC 40 1997 9,687
BLUE BIRD LTC 40 1998 9,687
BLUE BIRD LTC 40 1999 9,687
BLUE BIRD LTC 40 2000 9,687
BLUE BIRD Q-BUS 1997 9,687
BLUE BIRD Q-BUS 1998 9,687
BLUE BIRD Q-BUS 1999 9,687
BLUE BIRD Q-BUS 2000 9,687
BLUE BIRD TC2000 1997 9,687
BLUE BIRD TC2000 1998 9,687
BLUE BIRD TC2000 1999 9,687
BLUE BIRD TC2000 2000 9,687

Source: NHTSA Campaign 00V162000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.