Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 339 bulletins for MCI
SB-336
Dec 22, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MCI: ENGINE MOUNT LIMITING REBOUND WASHER. CRACKED EXHAUST BELLOWS TUBES. INCORRECT INSTALLATION OF LIMITING REBOUND WASHER RESULTING IN ENGINE VIBRATIONS TRANSFERRING EXCESSIVE STRESS TO BELLOW TUBE. *PE UPDATED 6/28/10.
SB-338
Nov 6, 2009
114400 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
MOTOR COACHES INC.: THE BRAUN CORP HAS RELEASED SERVICE BULLETINS 35830 DETAILING A CONTROL BOARD MODIFICATION AND SERVICE BULLETIN 35869 DETAILING A CIRCUIT BREAKER STABILIZATION RETROFIT. D MODEL COACHES EQUIPPED WITH A BRAUN WHEELCHAIR
SB-334
Oct 6, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MOTOR COACH INC.: UNABLE TO PERFORM STATIONARY REGENERATION DUE TO CORROSION ON THE REGENERATION SWITCH CONTACTS. CONTACTS NOT COATED. NO MODEL YEARS LISTED. *PE
SB-3025
Sep 23, 2009
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
MOTOR COACH INC.: MODULE REPLACEMENT ON ROTARY SWITCH MDS MODULE. DESIGN CHANGES TO THE METHODS OF TURNING OFF MAIN BATTERY POWER, AS THE MAIN BATTERY DISCONNECT KNIFESWITCH HAS BEEN REPLACED BY A ROTARY SWITCH. NO MODEL YEARS LISTED.
SB-333
Sep 13, 2009
060000 ENGINE AND ENGINE COOLING
MOTOR COACH INC.: MAY EXPERIENCE COMPRESSOR DISCHARGE PORT DAMAGE DUE TO LOOSE DISCHARGE FITTING. DETERIORATION OF THE 0-RING DUE TO TEMPERATURE. COACHES WITH CATERPILLAR ENGINES EQUIPPED WITH A BA922 COMPRESSOR TO REPLACE THE EXISTING D
TSB-3023
Sep 8, 2009
045000 SERVICE BRAKES, AIR:DISC
MOTOR COACH INC.: DISC PLUS EX225 BRAKE ACTUATOR TEST PROCEDURE. MERITOR WABCO HAS RELEASED PRODUCT INFORMATION LETTER 505 WHICH DETAILS A TEST PROCEDURE TO CHECK ACTUATORS FITTED TO DISCPLUS EX225 DISC BRAKES. NO MODEL YEARS LISTED.
TSB-3022
Aug 26, 2009
034400 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM
MOTORCOACH INC.: BRAKE CAMSHAFT AND SLACK ADJUSTER LUBRICATION PROCEDURE. *PE
TSB-3020
Aug 21, 2009
101000 POWER TRAIN:CLUTCH ASSEMBLY
MOTORCOACH INC.: LINNIG TWO (2) SPEED CLUTCH SERVICE KIT. THE CLUTCH ASSEMBLY SHOULD BE SERVICE EVERY 75,000 MILES/120,000KM AND 150,000 MILES/241,000KM. *PE UPDATED 12/23/09. *PE
SB-3016
Jul 10, 2009
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
MOTOR COACHES: THE ALTERNATOR CABLE, HAS A NEW DESIGN CHANGE AND WILL BE INSTALLED, TO REDUCE POTENTIAL CABLE DAMAGE OR CHAFING, BECAUSE OF MOVEMENT WITHIN CABLE CLAMPS OR CONTACT WITH BRACKETS, ON DELCO 50DN ALTERNATOR AND C13 ENGINE. MO
SB-332
Jul 7, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MOTORCOACHES INC: ENGINE MOUNT LIMITING REBOUND WASHER. DAMAGED DIESEL PARTICULATE FILTER (DPF) BELLOW TUBE. ENGINE TORQUE DEFLECTION TRANSFERRING STRESS TO BELLOW TUBE INSTALLATION. NO MODEL YEARS LISTED. *PE
SB-330
Jul 6, 2009
282100 BACK OVER PREVENTION:WARNINGS:EXTERNAL/PEDESTRIAN ALERT
MOTOR COACH INC.: MCI HAS BECOME AWARE OF FAILURES OF THE SENSORS WHERE THE SYSTEM IS CONSTANTLY SIGNALING AN OBSTRUCTION BEHIND, WHEN NO OBSTRUCTION EXISTS. THE ORIGINAL SENSOR INSTALLED IN THE COACH WAS TOO SENSITIVE AND WOULD SOMETIMES
TSB-3019
Jul 6, 2009
034520 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
MOTORCOACH INC.: MERITOR WABCO HAS RELEASED PRODUCT INFORMATION LETTER #507 WHICH DETAILS AN INSPECTION OF THE DISC BRAKE PAD CONTRACT SURFACES. THE INSPECTION APPLIES TO ALL MCI COACHES FITTED WITH DISCPLUS EX225 BRAKES.
TSB-3018
Jun 25, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MOTOR COACHES INC.: ENGINE MOUNT LIMITING REBOUND WASHER. DESIGN CHANGES HAS BEEN MADE TO THE ENGINE CRADLE INSTALLATION ON D SERIES COACHES EQUIPPED WITH A 2007 EPA DDC S60 ENGINE AND AN ALLISON TRANSMISSION. *PE
SB-326C
May 15, 2009
042300 SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
MOTORCOACH INC: ATC/ESC RELAY VALVE ASSEMBLY. THE DEFECT INVOLVES A VALVE THAT IS PART OF THE AUTOMATIC TRACTION CONTROL (ATC) AND ELECTRONIC STABILITY CONTROL (ESC) SYSTEMS FOR THE COACH'S REAR AXLES, AND THE ESC FOR THE FRONT AXLES.
SB-3017
May 13, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MOTORCOACH INC: MCI MADE DESIGN CHANGES TO THE REAR UPPER TUBE INSTALLATION. THE NEW REAR UPPER TUBE IS MORE ROBUST, REDUCING THE POTENTIAL FOR CRACKING. MODEL D SERIES. *PE
SB-317
Mar 28, 2009
102000 POWER TRAIN:MANUAL TRANSMISSION
MOTORCOACH INC.: AN UPGRADE TO THE SOFTWARE PROGRAM IS REQUIRED ON CERTAIN MC1 E4500 AND J4500 COACHES EQUIPPED WITH ALLISON GEN IV B500 TRANSMISSIONS. MODEL YEARS UNKNOWN. *PE
SB-3012
Mar 23, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MCI: ENGINE PAN PROTECTION TUBE ASSEMBLY. MODEL YEARS UNKNOWN. *PE
SB-3013
Mar 23, 2009
040000 SERVICE BRAKES, AIR
MCI COACH: REAR RELAY VALVE. THE ISSUE INVOLVES LEAKAGE FROM THE SECONDARY RESERVOIR TO (OR THROUGH, IF THE DRAIN COCK IS LEFT OPEN) THE PRIMARY RESERVOIR WHEN A FULL SERVICE BRAKES APPLICATION IS MADE AFTER THE PRIMARY RESERVOIR HAS BEEN D
SB-322
Mar 13, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MOTORCOACH INC.: CATERPILLAR PROGRAM FOR UPDATING THE REGENERATION SYSTEM ON C13 ACERT. MODELS D, E, J COACHES EQUIPPED WITH CAT C13 ACERT ENGINE. MODEL YEARS UNKNOWN. *PE
SB-3007
Mar 2, 2009
052220 PARKING BRAKE:DRIVELINE:AIR:CHAMBER
MOTORCOACH: PRODUCT IMPROVEMENT CHANGE TO THE BRAKE CHAMBERS USED ON THE FRONT AXLE OF E4500/J4500 COACHES HAVING EX225 DISC BRAKES. MODEL YEARS UNKNOWN. *PE UPDATED 7/10/09. *PE
SB-277C
Feb 24, 2009
105100 POWER TRAIN:DRIVELINE:UNIVERSAL JOINT
MOTOR COACH: TAG AXLE/DRIVESHAFT INTERFERENCE-FIXED TAG AXLE. INTERFERENCE DUE TO LIMITED CLEARANCE BETWEEN DRIVE SHAFT U JOINT BEARING CAP BOLTS AND TAG AXLE CENTER BEAM. MODEL YEARS UNKNOWN. *PE
SB-320
Feb 24, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
ZF FRIEDRICHSHAFEN: TAG AXLE/DRIVE SHAFT INTERFERENCE-DETROIT DIESEL SERIES 60 ENGINE AND ZF TRANSMISSION. EXPERIENCE INTERFERENCE BETWEEN DRIVE SHAFT U JOINT BEARING CAP BOLTS AND TAG AXLE CENTER BEAM. MODEL YEARS UNKNOWN. *PE
SB-3009
Feb 23, 2009
162300 STRUCTURE:BODY:DOOR
MOTORCOACH: A DESIGN CHANGE TO THE BEARING BLOCK INSTALLATION ON THE #2 RH BAGGAGE BAY DOOR USED WITH WHEELCHAIR LIFT COACHES. MODEL YEARS UNKNOWN. *PE
SB-3010
Feb 23, 2009
131000 VISIBILITY:WINDSHIELD
MOTORCOACH: A DESIGN CHANGE TO THE DRIVER'S AND PASSENGER'S WINDSHIELD BLIND INSTALLATION. THIS DESIGN CHANGE WILL MINIMIZE BLIND RATTLE DURING COACH OPERATION. MODEL YEARS UNKNOWN. *PE
SP-7-61
Jan 12, 2009
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MOTOR COACH: A POTENTIAL FOR SENSOR FAILURE ON COACHES EQUIPPED WITH REAR SENSING SYSTEM. FAILURE MAY BE ADVISING DRIVERS THAT THERE MAY BE AN OBSTRUCTION WITH THREE (3) FEET OF REAR OF COACH, WHEN THERE MAY NOT BE. MODEL YEARS UNKNOWN.