BLUE BIRD TC1000 1998: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

General Information

NHTSA Campaign ID Number: 98V313000

Make Model Year
BLUE BIRD TC1000 1998
Date Owners Notified Date Received by ODI Date Added to Database
1998-12-17 1998-12-14 1998-12-14

Production Dates: 1998-02-26 - 1998-11-27

Manufacturers Involved: Blue Bird Body Company

Component: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

Potential Number Of Units Affected: 2740

Report Initiator: MFR MFR Report

Summary

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.

Notes

OWNER NOTIFICATION IS EXPECTED TO BEGIN DECEMBER 17, 1998. 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 BLUE BIRD AT 1-912-825-2021.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT '1-888-327-4236'.