NHTSA Campaign 98V313000

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

Issued by BLUE BIRD BODY COMPANY · Reported Dec 14, 1998 · 2,740 vehicles affected

What's wrong

VEHICLE DESCRIPTION: SCHOOL AND TRANSIT FORWARD AND REAR ENGINE BUSES EQUIPPED WITH CUMMINS ISB AND ISC ENGINES. THE WIRING HARNESS TO THE COMBUSTION AIR INTAKE GRID HEATER CAN CHAFE AGAINST THE ENGINE AND WEAR THROUGH CAUSING AN ELECTRICAL SHORT IN THE GRID HEATER POWER SUPPLY. THE SHORT CAUSES THE FUSIBLE LINK TO FAIL.

Consequence

WHEN THE FUSIBLE LINK FAILS, INSULATION ON THE FUSIBLE LINK CAN IGNITE, CREATING A FIRE RISK IN THE ENGINE COMPARTMENT.

Remedy

OWNERS WILL BE ADVISED TO REPLACE THE ORIGINAL GRID HEATER POWER SUPPLY HARNESS WITH FUSIBLE LINKS WITH A NEW GRID HEATER POWER SUPPLY HARNESS EQUIPPED WITH FUSES. IN ADDITION, A CLAMP WILL BE ADDED TO SUPPORT THE HARNESS AWAY FROM THE ENGINE COMPONENTS.

Vehicles affected by this recall

Make Model Year Units
BLUE BIRD Q-BUS 1998 2,740
BLUE BIRD TC1000 1998 2,740
BLUE BIRD TC2000 1998 2,740

Source: NHTSA Campaign 98V313000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.