Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 891 bulletins for PREVOST
SP12-311
Oct 9, 2012
353000 EQUIPMENT:ELECTRICAL
On the vehicles affected by this bulletin, relocation of the wcl pendant is required to avoid driver to pull on the wires when operating WCL
IS-12008
Oct 1, 2012
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
PREVOST: NEW MODULES AND HARNESS REPLACE OLD AC MODULE, WHICH IS OBSOLETE. *PE
IS-12047
Oct 1, 2012
200000 WHEELS
PREVOST: THE DRIVE AXLE WHEELS WILL RECEIVE AN ADDITIONAL RESTRAINT PLASTIC SHIELDS AND HOW TO SECURE SHIELDS TO BUS STRUCTURE. NO MODEL OR MODEL YEARS LISTED. *PE
MI-12-40
Oct 1, 2012
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
PREVOST: WHEN ENGINE IS SHUTTING DOWN, THE ALTERNATOR GENERATES VOLTAGE VARIATION AND TO PROVIDE PROTECTION TO THE SYSTEM A NEW CIRCUIT AND TIME DELAY FUNCTION WAS ADDED. MODELS 2007-2008 XL2 SHELL. *PE
SP-12-315
Oct 1, 2012
162300 STRUCTURE:BODY:DOOR
PREVOST: THE SLIDING DOOR, ON CERTAIN VANS/TRUCKS, WITH WHEELCHAIR LIFT, THE UPPER ARM NEEDS TO BE REPLACED. MODEL 2012 X3-45. *PE
SP-12-23
Aug 1, 2012
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
PREVOST: CORRECTIVE MEASURE FOR THE EGR VALVE IS NECESSARY BECAUSE OF THE UNNECESSARY PRESENCE OF O-RINGS, WHICH MAY PREVENT FREE VALVE ACTUATION. EGR VALVE CAN BE REPLACED WITH LATEST VERSION. MODELS 2012-13 H3-41, H3-H45 COACHES, H3-45
WB-12-18
Aug 1, 2012
114400 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
PREVOST: POWER IS NOT REMOVED WHEN UNPLUGGING FUSE F45 TO FIRE PROTECTION PANEL ON DRIVER'S LEFT CONSOLE WHERE MODIFICATION OF HARNESS MUST BE PERFORMED. MODELS 2012-2013 H3-41, H3-45, X3-45, XLII-45 (COACH, COMMUTER & VIP SHELL). *
MI-12-11-A
Mar 5, 2012
060000 ENGINE (PWS)
PREVOST: INFORMATION BEING PROVIDED REGARDING THE MODIFICATION OF D13 US07 ENGINES' IMPROVED BELT TENSIONER TO PROLONG BELT LIFE. *PE
MI12-04
Mar 1, 2012
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
PREVOST: WIRING - ACM GROUND AND SUPPLY, DPF TEMP SENSORS, VECU SUPPLY. MODELS INCLUDED ARE H3-45, H3-45 VIP, X3-45, X3-45 VIP, AND XLII-45. MODEL YEARS NOT GIVEN. *KB
MI12-06
Mar 1, 2012
162000 STRUCTURE:BODY
PREVOST: GM DOOR LOCK RETROFIT ON WHEELCHAIR ACCESS SLIDING DOOR AND LIFT MECHANISM ACCESS DOOR. MODEL X3-45 COMMUTER. NO MODEL YEAR GIVEN. *KB
MI12-10
Mar 1, 2012
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
PREVOST: DIFFUSER ADAPTER FOR EXHAUST COLLECTION SYSTEM. NO MODEL OR MODEL YEAR WERE GIVEN. *KB
WB12-05
Mar 1, 2012
980000 UNKNOWN OR OTHER
PREVOST: AUTOMATIC FIRE SUPPRESSION SYSTEM (AFSS) EXTINGUISHER CYLINDER RELOCATION. *KB
SP-12-01-A
Jan 1, 2012
060000 ENGINE (PWS)
PREVOST: INFORMATION IS BEING PROVIDED REGARDING TWO PROCEDURE METHODS OF PINNING OR REPLACING THE DOUBLE IDLER GEAR, ON CERTAIN VEHICLES ENGINE, THAT IS NECESSARY. *PE UPDATED 4/5/13. *PE
SP-12-51-B
Jan 1, 2012
017300 STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT
PREVOST: INFORMATION REGARDING TWO AVAILABLE METHODS OF REPAIR PROCEDURE, OF EITHER PINNING OR REPLACEMENT, WHICH IS NECESSARY, OF DOUBLE IDLER GEAR ON CERTAIN VEHICLE ENGINES. MODEL B13R. NO MODEL YEARS LISTED. *PE
SP12-02
Jan 1, 2012
220000 SEATS
PREVOST: TOUR GUIDE SEAT FRAME REPLACEMENT. MODEL H3-45 BUT YEAR NOT GIVEN. *KB *KB
SCI11-31
Dec 1, 2011
061000 ENGINE AND ENGINE COOLING:ENGINE
PREVOST: PROCEDURE - ENGINE CONTROL MODULE (ECM), AFTERTREATMENT CONTROL MODULE (ACM) AND INSTRUMENT CLUSTER MODULE SOFTWARE UPDATES. (D13 US2010 ENGINE). MODEL AND MODEL YEARS NOT GIVEN. *KB
WB11-31
Dec 1, 2011
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
PREVOST: VOLVO D13 ENGINE US10 VERSION: ENGINE CONTROL MODULE (ECM), AFTERTREATMENT CONTROL MODULE (ACM) AND INSTRUMENT CLUSTER MODULE SOFTWARE UPDATES. MODELS INCLUDE H3-41, H3-45, X3-45, H3-45 VIP, AND XLII ENTERTAINER. MODEL YEARS 2012
SCI11-29
Nov 1, 2011
061000 ENGINE AND ENGINE COOLING:ENGINE
PREVOST: PROCEDURE - ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM) SOFTWARE UPDATES FOR DI12 US2010 ENGINE VERSION. MODEL AND MODEL YEARS NOT GIVEN. *KB
WB11-29A
Nov 1, 2011
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
PREVOST: VOLVO D13 ENGINE US10 VERSION: ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM) SOFTWARE UPDATES. *KB
MI11-26
Sep 1, 2011
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
PREVOST: IMPORTANT PRECAUTIONS TO BE TAKEN WHEN INSTALLING SUBSTITUTE FAN CLUTCH 550965 & 550966. MODEL AND MODEL YEARS NOT GIVEN. *KB UPDATED 7/23/13. *PE
MI11-16
Jul 1, 2011
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
PREVOST: ADDITION OF A RESISTOR ON THE EVAPORATOR CAMPARTMENT FAN SPEED CONTROL CIRCUIT WHEN REPLACING A53 OR A54 MULTIPLEX MODULE. MODEL AND MODEL YEAR NOT GIVEN. *KB
MI11-27
Jul 1, 2011
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
PREVOST: 12" BRUSHLESS CONDENSER FAN REPLACEMENT. MODELS INCLUDE XLII MTH, AND H3VIP MTH. MODEL YEARS ARE 2008-2011. *KB
WB11-24
Jul 1, 2011
136000 VISIBILITY:WINDSHIELD WIPER/WASHER
PREVOST: REPLACING PARTS OF UPPER WINDSHIELD WIPER DRIVING MECHANISM. *KB
SB11-19
Jun 1, 2011
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
PREVOST: RELOCATING THE DIESEL EXHAUST FLUID (DEF) HOSE AND ADDITION OF INSULATION TUBING INSIDE THE ENGINE COMPARTMENT. *KB
WB11-05
Jun 1, 2011
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
PREVOST: EXHAUST PIPE ANGLE BRACKET INSPECTION. *KB