Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 266 bulletins for BLUE BIRD
SU-S-0802
Sep 28, 2008
061000 ENGINE AND ENGINE COOLING:ENGINE
BLUE BIRD: UPDATE INFORMATION ON SOME MODEL YEAR BUSES REGARDING THE ELECTRONIC CONTROL MODULES (ECM) RECALIBRATION OF ISB AND ISC ENGINES. *PE
E07030
Mar 13, 2008
092200 FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
CUMMINS - HIGH FUEL DRAIN LINE RESTRICTION CAUSING FAULT CODE 553 FOR BUS APPLICATION. (ISB/ISC CM2150 ENGINES USED IN BLUE BIRD BUSES) MODEL YEARS UNKNOWN. *NJ UPDATED 6/9/08. *NJ
SB-S-08-MY
Feb 28, 2008
061000 ENGINE AND ENGINE COOLING:ENGINE
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOME MODEL YEAR VEHICLE EXPERIENCE SHUTTING DOWN AFTER STARTING UP DUE TO POSITIVE JUMPER CABLE BEING INCORRECTLY ROUTED TO ELECTRICAL POWER STUD INSTEAD OF CHASSIS POWER STUD.
SB-S08
Feb 28, 2008
111100 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
BLUE BIRD BUS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE POSITIVE JUMPER CABLE IS ROUTED INCORRECTLY. AS A RESULT, THE ENGINE MAY EXPERIENCE SHUTDOWN AFTER INITIAL START UP. TO CORRECT THIS CONDITION THE JUMPER CA
SB-S-07-MU
Dec 14, 2007
015300 STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME MODEL YEAR BUSES, POWER STEERING RESERVOIR CAP WOULD BE LEAKING STEERING FLUID. TO CORRECT CONDITION, NEW CAP WAS DEVELOPED. *PE
UP-S-0615
Dec 13, 2007
061000 ENGINE AND ENGINE COOLING:ENGINE
BLUE BIRD: UPDATED BULLETIN FOR CERTAIN MODEL BUSES REGARDING TURBOCHARGER EXPERIENCING FAILURE DUE TO COMBINATION OF ENGINE AND TRANSMISSION DUTY CYCLE CHARACTERISTICS. *PE
SB-S-07-MH
Sep 25, 2007
061110 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOME MODEL BUSES MAY HAVE ALTERNATOR DRIVE BELT THAT IS TOO LONG AND INSUFFICIENT TENSION ON FAN PULLEY TO PREVENT ENGINE FROM OVERHEATING SHOULD BE REPLACED. *PE
SB-S-07-ME
Sep 24, 2007
042000 SERVICE BRAKES, AIR:SUPPLY
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME MODEL YEAR BUSES, IF AIR LINES ARE CROSSED AT BRAKE TREADLE VALVE, READING OF DASH GAUGE FOR REAR BRAKE WILL BE MARKED FRONT SYSTEM AND THE FRONT BRAKE WILL BE MARKED REAR
SB-S-07-MC
Aug 30, 2007
017500 STEERING:LINKAGES:TIE ROD ASSEMBLY
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TIE RODS ARE INTERCHANGEABLE. MUST BE INSPECTED FOR CORRECT PART NUMBER AND THREAD ENGAGEMENT IN CROSS TUBE IF REPLACED. *PE
SU-S-0706
Aug 8, 2007
220000 SEATS
BLUE BIRD: INFORMATION IS BEING PROVIDED REGARDING MAINTENANCE FOR VEHICLES EQUIPPED WITH ALUMINUM SEAT FLOOR TRACKS. *PE
SB-S-07-LV
Jun 29, 2007
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
BLUE BIRD: ON CERTAIN MODEL BUSES, THE AIR COOLER HOSE CLAMPS MUST BE INSPECTED AND TORQUE VALUES CHECKED, AFTER BEING IMPROPERLY INSTALLED OR TIGHTENED TO CORRECT TORQUE VALUE. *PE
SB-S-07-LU
Jun 28, 2007
220000 SEATS
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODEL BUSES, OLD BRACKETS MUST BE REPLACED, DUE TO CRACKING AND BREAKING FROM WALL, WITH NEW DESIGNED BRACKETS AND FASTENERS. *PE
SB-S0701
Jun 6, 2007
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
BLUE BIRD BUS: RE-ISSUE SERVICE UPDATE ENGINE COOLANTS. THE COOLING SYSTEM ON THE BUSES BE PROPERLY MAINTAINED AND MONITORED TO INSURE PROPER OPERATION OF YOUR COOLING SYSTEM. *PE
SB-S-07-LT
May 24, 2007
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME MODEL BUSES, AN ISSUE WITH THE INSTRUMENT PANEL, WARNING LIGHT, WAIT TO START, FAILS TO FUNCTION PROPERLY AND NEEDS TO BE REPLACED. *PE
SB-S-07-LS
May 23, 2007
113000 ELECTRICAL SYSTEM:STARTER ASSEMBLY
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME BUSES, STARTER CABLE IS LOCATED ON POWER JUNCTION BLOCK, CAUSING SLOW STARTER CRANKING AND MISDIAGNOSES. STARTER CABLE SHOULD BE LOCATED ON AMMETER JUNCTION BLOCK INSTEAD.
SU-S-0705
May 14, 2007
017500 STEERING:LINKAGES:TIE ROD ASSEMBLY
BLUE BIRD: FOR SOME MODEL YEAR BUSES, FRONT AXLES UNDERGONE SEVERAL CHANGES REGARDING TIE RODS NOT BEING INTERCHANGEABLE WHEN REPLACEMENT SERVICE IS REQUIRED. *PE
SU-S-0704
May 1, 2007
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
COACHWORKS EXPRESS: ON SOME MODEL YEAR COACHES, THE ALTERNATOR MOUNTING TABS AND ALTERNATOR MOUNTING BOLT TORQUE CRACKING/BREAKING ON BOTH ALTERNATORS. *PE
SB-S-07-LN
Apr 19, 2007
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE CHARGE AIR COOLER (CAC) HAS ALTERNATOR POWER CABLE ROUTED TO CLOSE, WHICH COULD RESULT IN MELTING OF SHRINK WRAP AT CONNECTOR EXPOSING IT TO ELEMENTS. *PE
SB-S-07-LM
Mar 5, 2007
136000 VISIBILITY:WINDSHIELD WIPER/WASHER
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON MODEL YEAR BUSES, THE BICYCLE CRANK ARM, IN WIPER ASSEMBLY, MUST BE REPLACED DUE TO DESIGN BEING OUT OF SPECIFICATION. *PE
SB-S-70-LJ
Mar 1, 2007
062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION ON EXCESSIVE CYCLING OF ENGINE COOLING FAN AND SHUTTER AND HOW TO INSTALL THERMO SWITCHES FOR COOLING SYSTEM AND CHARGE AIR SYSTEM. *PE
SU-S-0612
Oct 26, 2006
170000 LATCHES/LOCKS/LINKAGES
BLUE BIRD: SPECTAL WINDOWS ON ALL SCHOOL BUSES NEED LATCH RETAINER REPLACEMENT KITS DUE TO BROKEN SPRINGS OR RETAINER TAB SPRINGS. *PE
SU-A-0601
Sep 8, 2006
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
BLUE BIRD: REVISED SERVICE UPDATE REGARDING FOREIGN MATERIAL IN COOLANT UNITS WHEREBY SURGE TANK AND COMPONENTS SHOULD BE REPLACED AS INSTRUCTED. *PE
SU-S-0609
Aug 8, 2006
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
BLUE BIRD: ON CERTAIN MODEL BUSES, PROCEDURE INFORMATION IS PROVIDED WHERE BY MOISTURE MUST BE PURGE FROM ACCESSORY AIR SYSTEM. *PE
SU-S0608
Aug 4, 2006
142000 AIR BAGS:SIDE/WINDOW
BLUE BIRD: WINDOWS MAY RATTLE, HAVE WIND NOISE, WATER AND DUST CAN ENTER, NOT CLOSE OR LOCK PROPERLY. TOP RAIL SAGGING DOWNWARD AT CENTER OF SPECTAL PASSENGER WINDOWS. *PE
SB-S-06-KV
Jul 19, 2006
110000 ELECTRICAL SYSTEM
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME MODEL BUSES, DOOR BRAKE INTERLOCK SYSTEM BECOMES UNRESPONSIVE DUE TO LOW PRESSURE SWITCH AND NOT RELEASING PRESSURE. *PE