Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 339 bulletins for MCI
SB-360
May 24, 2011
161000 STRUCTURE:FRAME AND MEMBERS
MOTOR COACH INDUSTRIES: A TUBE MAY CRACK THAT SUPPORTS THE SNUBBER BRACKET DUE TO ROAD VIBRATION. *RM
SB-3061
May 5, 2011
062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MOTOR COACH INDUSTRIES: AN IMPROVEMENT FOR THE REAR UPPER DOOR RADIATOR. *RM
SB-357
Apr 25, 2011
980000 UNKNOWN OR OTHER
MOTOR COACH INDUDSTRIES: INFORMATION ON REPLACING THE COOLANT PUMP THAT MAY HAVE A PROBLEM. *RM
SB-3060
Apr 21, 2011
980000 UNKNOWN OR OTHER
MOTOR COACH INDUSTRIES: MOBILE CLIMATE CONTROL INSPECTION AND REPLACEMENT PROCEDURE FOR EVAPORATOR MOTOR BRUSHES. *RM
SB-355
Mar 17, 2011
021520 SUSPENSION:FRONT:CONTROL ARM:UPPER BALL JOINT
MOTOR COACH INDUSTRIES: A CONNECTOR IN THE FUSE BOX COULD CAUSE MELTING DUE TO A HIGH CURRENT DRAW. *RM
SB-3057
Mar 4, 2011
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
MOTOR COACH INDUSTRIES: THERE ARE CHANGES TO THE FAN CLUTCH BRACKET ASSEMBLY. *RM
SB-352
Jan 17, 2011
354600 EQUIPMENT:MECHANICAL:WRECKER AND WHEEL LIFT DEVICES
MOTOR COACH INDUSTRIES: THE WHEELCHAIR LIFT MAY STOP WORKING DURING A LIFT OPERATION. IT BECOMES INOPERATIVE AND MUST BE MOVED MANUALLY. *RM
TSB-3021
Dec 10, 2010
045100 SERVICE BRAKES, AIR:DISC:CALIPER
MOTOR COACH INC.: EX225 BRAKE CALIPER SLIDE PIN BUSHING SERVICE KIT. A SLIDE PIN BUSHING SERVICE KIT FOR THE EX225 BRAKE CALIPER HAS BEEN RELEASED. NO MODEL YEARS LISTED. *PE UPDATED 5/31/11. *PE
SB-3048
Nov 9, 2010
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
MOTOR COACH INDUSTRIES: SOME A/C COMPRESSORS MAY HAVE THE DUST COVER SNAP RING INSTALLED BACKWARDS. THERE MAY BE A RATTLING OR SHORTENING OF CLUTCH LIFE CYCLE. *RM
SB-3049
Nov 9, 2010
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
MOTOR COACH INDUSTRIES: FAN CLUTCH BURNISHING PROCEDURE. *RM
SB-3044
Nov 6, 2010
021600 SUSPENSION:FRONT:WHEEL BEARING
MOTOR COACH INDUSTRIES: THERE HAVE BEEN SERVICE KITS RELEASED FOR THE CLUTCH. *RM
SB-3026
Oct 26, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MCI: DIESEL PARTICULATE FILTER (DPF) CLAMP. THE DIESEL PARTICULATE FILTER (DPF) MOUNTING CLAMPS MAY BE SUBJECT TO OVER-TORQUING, WHICH MAY RESULT IN A BROKEN CLAMP. EFFECTIVE WITH UNIT NUMBER 65528, MCI HAS MADE DESIGN CHANGES IN THE DIE
SB-3047
Oct 26, 2010
114400 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
MCI: REPLACEMENT OF 30 AMP CIRCUIT BREAKERS IN MAIN FUSE BOX. POTENTIAL MAY EXIST IN WHICH COACHES BETWEEN THE RANGE OF, AND INCLUDING, 64301-64982 AND 64988-65012 MAY EXPERIENCE INTERMITTENT ISSUES WITH THE LIGHTING BALLAST. NO MODEL YE
SB-350
Oct 18, 2010
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
MCI: UNUSED HARNESS WIRE ON DELCO ALTERNATOR INSTALLATION. POTENTIAL MAY EXIST IN WHICH A HARNESS WIRE MAY OVERHEAT ON D MODEL COACHES EQUIPPED WITH AN ENGINE AND A DELCO ALTERNATOR. AN UNUSED WIRE IN HARNESS CONFIGURATION. NO MODEL YE
SB-3043
Sep 28, 2010
034300 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DIFFERENTIAL PROPORTIONAL VALVE
MCI: TAG UNLOAD VALVE ASSEMBLY. EFFECTIVE WITH UNIT NUMBER 65614, MCI HAS MADE DESIGN CHANGES TO THE TAG UNLOAD VALVE ASSEMBLY INSTALLATION ON SOME MODEL COACHES. THE LONGER LIFE VALVES WILL IMPROVE THE DURABILITY OF THE TAG UNLOAD VALVE
SB-3039
Sep 10, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MCI: CHECKING THE CRANKSHAFT END PLAY ON CATERPILLAR C12 AND C14 ENGINES. CUSTOMERS OPERATING COACHES MUST CHECK THE CRANKSHAFT END PLAY AT THE EARLIER TO OCCUR OF EACH ENGINE OIL CHANGE OR SERVICE INTERVALS OF 10,000 TO 12,000 MILES USIN
SB-3014
Aug 23, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MOTOR COACHES INC.: A DESIGN CHANGE TO THE STARTER CABLE INSTALLATION ON COACHES EQUIPPED WITH A DETROIT DIESEL S60 PRE 2007 ENGINE. THE NEW STARTER CABLE INSTALLATION WILL REDUCE THE POTENTIAL FOR CABLE DAMAGE OR CHAFING DUE TO CONTACT W
SB-3032
Jun 3, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MCI: ENGINE COMPARTMENT FIRE DETECTION. MCI REPLACED THE ENGINE COMPARTMENT KIDDE FENWAL FIRE DETECTOR SENSORS WITH AMEREX FIRE DETECTOR SENSORS. THE NEW SENSORS ARE SEALED, COMPACT DESIGN, WITH AN IMPROVED SERVICE LIFE, THEREFORE REDUCI
SB-3037
Jun 3, 2010
161100 STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS
MCI: BOGIE LEG FRAME CORROSION PREVENTION. NEW AND VERY CORROSIVE FORMULATIONS OF ROAD ICE CLEANING CHEMICALS ARE NOW BEING USED, ESPECIALLY MAGNESIUM CHLORIDE AND CALCIUM CHLORIDE. THESE CHEMICALS CAN ACT LIKE ACID WHEN THEY CONTACT THE
SB-3040
Jun 3, 2010
045200 SERVICE BRAKES, AIR:DISC:PADS
MCI: MA703 BRAKE PADS ON EX225 DISC BRAKES. A PRODUCT IMPROVEMENT CHANGE TO THE BRAKE PADS USED ON MERITOR AXLE ASSEMBLIES OF D/E/J SERIES COACHES HAVING EX225 DISC BRAKES. NO MODEL YEARS LISTED. *PE
SB-3042
Jun 3, 2010
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MCI: TAG AXLE R-12 BRAKE VALVE RETROFIT MAY BE SUBJECT TO CONTAMINATION INTRUSION THROUGH THE BALANCE PORT. INSTALLING A R-12 BRAKE VALVE, WHICH DOES NOT HAVE A BALANCE PORT, WILL ELIMINATE THE POTENTIAL FOR CONTAMINATION. NO MODEL OR MO
SB-3029
Mar 31, 2010
110100 ELECTRICAL SYSTEM:HORN
MCI: CONTROLS ELECTRIC HORN HARNESS. POTENTIAL FOR DELAYED HORN RESPONSE ON D MODEL COACHES EQUIPPED WITH I/O CONTROLS. THE FOLLOWING RETROFIT PROCEDURE IS APPLICABLE TO D SERIES COACHES EQUIPPED WITH I/O CONTROLS BETWEEN THE RANGE OF, A
SB-3031
Mar 31, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MCI: A/C BELT SNUBBER. EFFECTIVE WITH 59335, MCI HAS MADE DESIGN CHANGES TO THE A/C BELT SNUBBER BRACKET INSTALLATION ON COACHES EQUIPPED WITH CUMMINS ISM ENGINES. THIS DESIGN CHANGE WILL IMPROVE DURABILITY OF THE BELT IN THE EVENT THE B
SB-3033
Mar 1, 2010
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MCI: BEARING BOX. A NEW BREATHER VENT ASSEMBLY KIT FOR THE TAG AXLE BEARING BOX USED ON THE G SERIES COACHES. THE KIT INCLUDES A NEW BREATHER VENT AND AN EXTENSION WHICH RAISES THE BREATHER VENT ABOVE THE BEARING BOX TO REDUCE POTENTIAL
SB-3030
Jan 12, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MOTOR COACH INC.: DPF EXHAUST BLANKET INSPECTION DECAL. MCI RECOMMENDS THOROUGHLY INSPECT THE DIESEL PARTICULATE FILTER (DPF) EXHAUST BLANKET AND COMPONENTS SUCH AS AIR LINES, WIRING HARNESSES, OR ANY OTHER COMPONENTS IN CLOSE PROXIMITY T