FUEL SYSTEM, DIESEL
CERTAIN 1998 THROUGH 2002 BLUE BIRD ALL AMERICAN, TC2000 SCHOOL AND TRANSIT BUSES, AND COMMERCIAL SERIES BUSES EQUIPPED WITH CUMMINS ISB DIESEL ENGINES. THE FUEL PUMP COULD FAIL TO TRANSFER FUEL APPROPRIATELY CREATING AN ENGINE STALL CONDITION.
Remedy: CUSTOMERS WILL BE NOTIFIED BY CUMMINS TO BRING THEIR VEHICLES TO AN AUTHORIZED DEALER TO HAVE THE FUEL LIFT PUMP REPLACED FREE OF CHARGE. FOR MORE INFORMATION, CUSTOMERS MAY CONTACT CUMMINS AT 1-800-DIESELS.
18,891 vehicles affected
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
ON CERTAIN SCHOOL AND TRANSIT BUSES EQUIPPED WITH CUMMINS ISB 6 CYLINDER ENGINES, THE LOWER ALTERNATOR SUPPORT BRACE OR MOUNTING HARDWARE CAN LOOSEN OR BREAK WHICH WILL ALLOW THE ALTERNATOR TO DROP ONTO THE ENGINE.
Remedy: CUMMINS WILL NOTIFY CUSTOMERS AND REPLACE THE UPPER AND LOWER ALTERNATOR SUPPORT BRACKETS FREE OF CHARGE. OWNERS WHO TAKE THEIR VEHICLE TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CUMMINS AT 1-800-343-7357 OR BLUE BIRD AT 478-822-2242.
4,302 vehicles affected
EQUIPMENT:OTHER:LABELS
CERTAIN TRANSIT BUSES FAIL TO COMPLY WITH REQUIREMENTS OF FEDERAL MOTOR VEHICLE STANDARD NO. 101, "CONTROLS AND DISPLAYS." THIS STANDARD REQUIRES SPECIFIC LABELING FOR "ENGINE START" AND "ENGINE STOP." THE WORDING OF THE LABELS ON THESE VEHICLES DO NOT MEET THE REQUIREMENTS OF THE STANDARD.
Remedy: OWNERS WILL BE PROVIDED WITH NEW DECALS AND INSTALLATION INSTRUCTIONS. OWNER NOTIFICATION BEGAN AUGUST 29, 2002. OWNERS WHO DO NOT RECEIVE THE FREE LABEL AND INSTALLATION INSTRUCTIONS WITHIN A REASONABLE TIME SHOULD CONTACT BLUE BIRD AT 1-478-822-2242.
408 vehicles affected
ELECTRICAL SYSTEM:WIRING
VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES EQUIPPED WITH REAR MOUNTED ENGINES. THE 12-VOLT POWER SUPPLY CABLE(S) MAY BE CHAFFED BY HOSES, HARNESSES, FRAME COMPONENTS, OR CLAMPS.
Remedy: DEALERS WILL REMOVE AND INSPECT THE 12-VOLT POWER CABLE(S) FROM THE BATTERY TO THE STARTER AND, IF NECESSARY, WILL REPLACE THE CABLES. OWNER NOTIFICATION BEGAN JULY 30, 2001. 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 1-912-822-2242.
5,631 vehicles affected
SERVICE BRAKES, AIR:ANTILOCK
VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.
Remedy: DEALERS WILL REPLACE THE ABS ECU.
10,918 vehicles affected
SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL/VALVE
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.
Remedy: DEALERS WILL REPLACE THE DIAPHRAGMS WITH HOLES WITH SOLID DIAPHRAGMS FOR THE QR1C VALVES.
9,687 vehicles affected
STEERING:HYDRAULIC POWER ASSIST SYSTEM
VEHICLE DESCRIPTION: FRONT ENGINE SCHOOL AND TRANSIT BUSES. THE POWER DISTRIBUTION UNIT (PDU) CABLES ARE INADEQUATELY SUPPORTED OR ROUTED IN CLOSE PROXIMITY TO THE STEERING PITMAN ARM.
Remedy: OWNERS WILL BE PROVIDED WITH STEP BY STEP REPAIR INSTRUCTIONS FOR RE-ROUTING THE WIRES.
779 vehicles affected
SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES EQUIPPED WITH BENDIX ABS ANTI-LOCK BRAKING SYSTEM. THE PRIMARY AND SECONDARY BRAKE TREADLE VALVE AIR LINES WERE INSTALLED INCORRECTLY AT THE BENDIX R12DC RELAY VALVE.
Remedy: DEALERS WILL CORRECT THE AIR LINE PLUMBING AT THE BENDIX R12DC RELAY VALVE.
3,113 vehicles affected
VEHICLE SPEED CONTROL
VEHICLE DESCRIPTION: TRANSIT AND SCHOOL BUSES. MOVEMENT OF THE HAND THROTTLE CABLE IN THE ACCELERATOR BRACKET RUBS A GROOVE IN THE BRACKET. THE HAND THROTTLE CABLE CAN BECOME WEDGED IN THIS GROOVE PREVENTING THE ACCELERATOR FROM RETURNING TO THE IDLE POSITION.
Remedy: OWNERS WILL BE CONTACTED AND ADVISED TO DISCONNECT THE HAND THROTTLE CABLE UNTIL REPLACEMENT PARTS ARE AVAILABLE.
1,896 vehicles affected