2001 Blue Bird Q-Bus problems

Defect

CERTAIN 2001 THROUGH 2005 ALL AMERICAN, COMMERCIAL SERIES, AND Q-BUS SCHOOL AND TRANSIT BUSES EQUIPPED WITH JOHN DEERE 8.1 CNG ENGINES. THE SUBJECT BUSES EQUIPPED WITH THE JOHN DEERE ENGINES MAY SURGE INAPPROPRIATELY DUE TO ERRACTIC OPERATION OF THE AIR THROTTLE IF THE ENGINE IS TAKEN FROM FULL TO ZERO LOAD.

Consequence

UNEXPECTED ENGINE SURGE COULD RESULT IN A VEHICLE CRASH, POSSIBLY RESULTING IN PERSONAL INJURY.

Remedy

JOHN DEERE WILL NOTIFY BLUE BIRD'S CUSTOMERS AND REPAIR THE ENGINES FREE OF CHARGE. CUSTOMERS ARE BEING INSTRUCTED TO CONTACT JOHN DEERE AT 1-800-JD-ENGINE.

Defect

VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH HENDRICKSON REAR AIR SUSPENSION. INADEQUATE TIGHTENING OF THE 5/8" BOLTS ON THE REAR AIR SUSPENSION HANGER BOLTS AND ON REAR AXLE TORQUE ARM AXLE SEAT STUDS.

Consequence

INSUFFICIENT TIGHTENING PERMITS MOVEMENT BETWEEN THE COMPONENTS THAT COULD RESULT IN BOLTS AND STUDS BREAKING, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL REPLACE THE 5/8" GRADE 8-HANGER BOLTS. IN ADDITION, AXLE SPRING SEAT FASTENERS WILL BE CHECKED FOR PROPER TIGHTNESS AND, IF NEEDED, TIGHTENED TO SPECIFICATIONS. OWNER NOTIFICATION BEGAN JANUARY 18, 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 BLUE BIRD AT 1-478-822-2242.

Defect

VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES. INSUFFICIENT TORQUE ON THE ARVIN-MERITOR AIR BRAKE CHAMBER MOUNTING NUTS CAN ALLOW THE NUTS TO LOOSEN OVER TIME.

Consequence

THIS CONDITION COULD REDUCE BRAKING OF THE VEHICLE, POSSIBLY RESULTING IN A CRASH.

Remedy

DEALERS WILL INSPECT THE TORQUE VALUES ON EACH BRAKE CHAMBER NUT AND TIGHTEN TO SPECIFICATIONS. OWNER NOTIFICATION BEGAN NOVEMBER 16, 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.

Defect

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.

Consequence

THIS CONDITION CAN RESULT IN POWER FAILURE AND/OR RISK OF FIRE IN THE ENGINE COMPARTMENT.

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.

Defect

VEHICLE DESCRIPTION: SCHOOL AND TRANSIT BUSES EQUIPPED WITH A COMBINATION SPICER J230 REAR AXLE, SPRING SUSPENSION, AND CREWSON BRUNNER AUTOMATIC SLACK ADJUSTERS. THE CREWSON BRUNNER SLACK ADJUSTER CONTACTS A U-BOLT MOUNTING BRACKET WHEN A COMBINATION OF THE LISTED COMPONENTS ARE INSTALLED. THE COMBINATION DOES NOT ALLOW FOR FULL EXTENSION OF THE SLACK ADJUSTER WHEN BRAKES ARE APPLIED.

Consequence

THIS CAN CAUSE A POTENTIAL FOR REDUCED BRAKING EFFORT, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL INSTALL MODIFIED U-BOLT BRACKETS THAT WILL PROVIDE THE NEEDED CLEARANCE. OWNER NOTIFICATION BEGAN MARCH 15, 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 1-912-825-2021.