Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
MI26-00
Service Bulletin/Repair Instructions
The gasket thickness was increased from 1.5 mm to 3 mm to prevent interference between the collar ends, which previously made it impossible to reach the specified tightening torque. Increasing the gasket thickness ensures sufficient clearance between the collar ends and thus guarantees optimal tightening.
IS-23019A
Service Bulletin/Repair Instructions
Sway bar collars improvement. Revision A : Add front sway bar support replacement and change bolts lenght.
IS-23019
Service Bulletin/Repair Instructions
SWAY BAR COLLARS IMPROVEMENT
IS-18106
Service Bulletin/Repair Instructions
KIT POWER STEERING TANK CONVERTION CUMMINS TO ZF WITH D13 ENGINE
MI16-32
Service Bulletin/Repair Instructions
Improved bearings are now available to replace the original bearings used on some Prevost vehicles idler pulleys.
IS-19901E
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH BOSCH ALTERNATOR. REVISION: E Note added regarding power cable connection
IS-19912E
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR. REVISION: E Note added regarding power cable connection
IS-21072B
Service Bulletin/Repair Instructions
STEERING GATEWAY. Revision B - PIN 2 and 10 were inverted on connector A139
MI22-12B
Service Bulletin/Repair Instructions
Air Tanks Draining Sequence. Revision: B - General Update
MI22-12A
Service Bulletin/Repair Instructions
Air Tanks Draining Sequence. Revision: A - Erroneous Secondary & Accessory tanks location.
MI22-12
Service Bulletin/Repair Instructions
Air Tanks Draining Sequence
IS-17151C
Service Bulletin/Repair Instructions
Halogen to LED fog light replacement kit. Revision: C - Advanced kits canceled
IS-22902
Service Bulletin/Repair Instructions
TAG AXLE HUB FLANGE - ALTERNATE CAP SCREW
IS21-072
Service Bulletin/Repair Instructions
STEERING GATEWAY, revision A : Cancel watch dog removal from EFD part of the instruction
MI20-08C
Service Bulletin/Repair Instructions
STORAGE AND STARTUP GUIDELINES : part number updates
IS21-072A
Service Bulletin/Repair Instructions
STEERING GATEWAY Revision A Cancel watch dog removal from EFD part of the instruction
IS21-901
Service Bulletin/Repair Instructions
X3 SERIES ENVIROCARE - IONS AIR SANITIZER
IS20-925A
Service Bulletin/Repair Instructions
CENTRAL HVAC MERV FILTERS INSTALLATION
MI18-16B
Service Bulletin/Repair Instructions
BOSCH HD10 ALTERNATOR DIAGNOSTIC GUIDE Revision B To avoid replacement of alternators that are in fact in good working order, perform the steps which follow to help you perform a more precise diagnosis.
MI21-06
Service Bulletin/Repair Instructions
Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair â From US10 to newer engine generation
Mi21-07A
Service Bulletin/Repair Instructions
RONT & TAG AXLE â UNITIZED HUB BEARING END PLAY VERIFICATION AND REPLACEMENT
IS-19912D
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR - X3 SERIES US10 UP TO GHG17 COOLING SYSTEM
IS-18042
Service Bulletin/Repair Instructions
EBERSPACHER PREHEATER INSTALLATION In replacement of Spheros & Valeo preheaters
IS-19901D
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH BOSCH ALTERNATOR
IS-21901
Service Bulletin/Repair Instructions
X3 SERIES ENVIROCARE - IONS AIR SANITIZER
IS-08080B
Service Bulletin/Repair Instructions
Sound Selector replacement, VSS04 to VSS05; When replacing a vehicle sound selector model VSS04 with a new sound selector model VSS05, an interface harness is required to connect the vehicle harness to the new sound selector model and a new VSS05 compatible radio unit must also be installed. This procedure describes the steps required to perform this update.
IS-19901C
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH BOSCH ALTERNATOR - X3 SERIES US10 UP TO GHG17 COOLING SYSTEM
IS-19912C
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR
IS-20925A
Service Bulletin/Repair Instructions
CENTRAL HVAC MERV FILTERS INSTALLATION REVA
IS-18091A
Service Bulletin/Repair Instructions
TIE ROD 610052 FIRST INSTALLATION INSTRUCTIONS: Use these instructions when replacing the drop joint tie rod on S82, S84 / S84U I-beam axles. The new tie rod will be adjusted to the length of the original; however, a steering alignment needs to be performed after replacement.
MI20-19B
Service Bulletin/Repair Instructions
INTRODUCING A NEW ENGINE COOLANT INTO PREVOST SERVICE CENTER NETWORK
MI20-19A
Service Bulletin/Repair Instructions
Rev A: Mention added concerning DDC Series 60 engine SCA requirement
MI21-01
Service Bulletin/Repair Instructions
VOLVO I-SHIFT TRANSMISSION REPLACEMENT - DIFFERENCE BETWEEN CONNECTIONS AT THE TOP OF THE OIL FILTER HOUSING
MI20-19
Service Bulletin/Repair Instructions
INTRODUCING A NEW ENGINE COOLANT INTO SERVICE
MI18-02A
Service Bulletin/Repair Instructions
ENGINE OIL & FILTER CHANGE INTERVALS - VOLVO D13 ENGINE, FROM US10 Revision: A Updated for OBD20 engines
SCi20-16
Service Bulletin/Repair Instructions
FAN CLUTCH PLATE BOLTS RE-TORQUING
MI20-08B
Service Bulletin/Repair Instructions
STORAGE AND STARTUP GUIDELINES Revision: B Parts added to Suggested Material 08-10-2020
MI20-12
Service Bulletin/Repair Instructions
JERKY, NOISY OR HARD TO TURN STEERING GEARBOX. HYDRAULIC END LIMITER ADJUSTMENT. All models â equipped with RB Bosch/ZF Servocom or Servocomtronic steering gearbox
IS-19901B
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH BOSCH ALTERNATOR Revision B: Parts obsolete: 050303, 391028, 562112 Replaced by: 830165 24V RED TELLTALE LIGHT MODULE QTY: 1x 381594 BRACKET, TELLTALE QTY:1x 561540 TAB TERMINAL, ST,16-14,1/4 INS QTY: 2x
IS-19912B
Service Bulletin/Repair Instructions
ELECTRIC FAN DRIVE COOLING SYSTEM CONVERSION WITH DELCO REMY ALTERNATOR REVISION : B Parts obsolete: 050303, 391028, 562112 Replaced by: 830165 24V RED TELLTALE LIGHT MODULE QTY: 1x 381594 BRACKET, TELLTALE QTY:1x 561540 TAB TERMINAL, ST,16-14,1/4 INS QTY: 2x
MI20-08A
Service Bulletin/Repair Instructions
STORAGE AND STARTUP GUIDELINES: Rev A: 21516229 replaced by 23381562 20523393 replaced by 21454749 800383 removed 611471 replaced by 611360 70376808 replaced by 21036050 21396642 replaced by 20967831
IS-20907
Service Bulletin/Repair Instructions
Plexiglass Panel Behind Driver X3
MI20-09
Service Bulletin/Repair Instructions
PREVOST VEHICLE DISINFECTION PROCEDURE Revision A
IS-20905
Service Bulletin/Repair Instructions
HAND SANITIZER DISPENSER INSTALLATION
MI20-08
Service Bulletin/Repair Instructions
STORAGE AND STARTUP GUIDELINES - ALL PREVOST VEHICLES & VOLVO 9700
P029800
Service Bulletin/Repair Instructions
Repair instructions to address fault codes P029800
P052400
Service Bulletin/Repair Instructions
Repair instructions to address fault codes P052400 Engine Oil Pressure Too Low
P256000
Service Bulletin/Repair Instructions
Repair instructions to address fault codes P256000 Engine Coolant Level Low
MI15-24
Service Bulletin/Repair Instructions
Added: Power cables for L.H. side alternator & fan drive breaker box
NOX_Conv1
Service Bulletin/Repair Instructions
Repair instructions to address fault codes P207F-00 - Reductant Quality
NOx_Conv2
Service Bulletin/Repair Instructions
Repair instructions to address fault codes P207F-00; P20EE-00
P021700
Service Bulletin/Repair Instructions
Repair instructions to address fault codes P021700 Engine Coolant Over Temperature Condition
IS-19901A
Service Bulletin/Repair Instructions
Revision : Mention added stating to disable Prime & parts added in the kit.
IS-19912
Service Bulletin/Repair Instructions
This instruction sheet explains how to install the Electric Cooling System Conversion kit (with Delco Remy Alternators) on X3 vehicles equipped with US10 up to GHG17 Engine.
IS-19915
Service Bulletin/Repair Instructions
MP-1000 MULTIMEDIA PLAYER INSTALLATION
MI18-45A
Service Bulletin/Repair Instructions
Vehicles identified below are compatible with a new tie rod design. This new tie rod 610052 has updated ball joints and a fine adjuster sleeve. It replaces former drop type ball joint tie rods. Refer to IS-18091 for installation instructions. This document details maintenance inspection and toe-in adjustment with the new design tie rod.
IS-18910
Service Bulletin/Repair Instructions
This instruction sheet shows how to install a flap over the diesel filling cap.
IS-19040
Service Bulletin/Repair Instructions
POWER STEERING PUMP DISCHARGE HOSE (PRESSURE) REPLACEMENT
IS-19913
Service Bulletin/Repair Instructions
This instruction sheet explains how to install Delco Remy Alternators
IS-14145
Service Bulletin/Repair Instructions
This Instruction Sheet explains how to add Sunshade Switches on the Dashboard
MI17-03
Service Bulletin/Repair Instructions
After the installation of the latest Multiplex system update on US10 X3-Series coaches, the instrument panel and switches backlighting may stay constantly on due to an output (J1:4) on the A44 module sending constant current to the 114A circuit via the 2mph wire. This wire should be connected only for Commuter application and must be removed on coaches. To retain gateway module watchdog timer (WDT) function, a new wire must be routed and connected between module A44 output and the Gateway module.
MI15-43A
Service Bulletin/Repair Instructions
New aramid cord poly-v belts are now available to replace the polyester cord alternator belts previously used on Prevost vehicles.
MI16-34
Service Bulletin/Repair Instructions
THIS MAINTENANCE INFORMATION DESCRIBES THE STEPS TO BE FOLLOWED ON YOUR COMPUTER TO ADD THE VOLVO ENGINE BRAKE AUTO MODE ON THE VEHICLE. THE AUTO MODE MAY BE ADDED ON US10 AND OBD13 VEHICLES THAT WERE BUILT BEFORE THE INTRODUCTION OF THE VOLVO ENGINE BRAKE AUTO MODE ON THE ASSEMBLY LINE. THE VEHICLE MUST BE EQUIPPED WITH THE ALLISON TRANSMISSION AND VOLVO ENGINE BRAKE (VEB).
IS-08080A
Service Bulletin/Repair Instructions
WHEN REPLACING A VEHICLE SOUND SELECTOR MODEL VSS04 WITH A NEW SOUND SELECTOR MODEL VSS05, AN INTERFACE HARNESS IS REQUIRED TO CONNECT THE VEHICLE HARNESS TO THE NEW SOUND SELECTOR MODEL AND A NEW VSS05 COMPATIBLE RADIO UNIT MUST ALSO BE INSTALLED. THIS PROCEDURE DESCRIBES THE STEPS REQUIRED TO PERFORM THIS UPDATE.
VBC-PREVOST 2
Service Bulletin/Repair Instructions
Bendix M-32QR ABS modulator valve replaced by new M-40QR valve.
MI15-51
Service Bulletin/Repair Instructions
This Maintenance Information explains how to run a n Air Conditionning performance test
WB15-50
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin the rear junction box decal located in the right engine compartment is displaying incorrect information regarding the R34 relay voltage. Specifically, the R34 relay should be identified as a 24 volt relay instead of a 12 volt relay. Consequently, all affected vehicles must have a small decal displaying the correct information applied over the rear junction box decal R34 relay description.
MI15-61
Service Bulletin/Repair Instructions
This Maintrenance infomration explains that the Castrol Syntrans oil isn?t fully approved for 500 000 miles (800 000 km) extended drain intervals on the Volvo I-Shift transmission. For this reason, this oil has been downgraded to regular drain intervals. Find below, a list of Volvo?s approved oils for extended drain as well as regular drain intervals.
IS-14152
Service Bulletin/Repair Instructions
This Instruction Sheet prvides a Road Side and Workshop Instructions for Replacing 040949 6mm DEF Hose to a 4mm ID Hose.
WB15-26B
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin the brake hose may come in contact with the air spring support when the front axle is in low or high position, either by kneeling or low-high buoy. Perform an inspection. Depending on the result, adjust the hoses to avoid any interference.
SP-15-33
Service Bulletin/Repair Instructions
PREVOST: SOME BUSES WILL NEED REPLACEMENTS OF CERTAIN COMPONENTS-PCJ OIL PRESSURE SENSOR, ATS DOSER MODULE AND PISTON COOLING REDUCTION VALVE. MODEL 2011-12 X3-45. *PE
SP15-17A
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, replace the engine harness as described in the following procedure.
SP15-21
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, to prevent premature corrosion of the rear junction box components, replace the junction box cover with a late model "central mount" cover.
SP15-33
Service Bulletin/Repair Instructions
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SP15-33A
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, perform the components replacement as described in this document.
SP15-32
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, to reduce the possibility of fault codes the DPF differential pressure sensor signal wire needs to be replaced by a single wire from the DPF differential pressure sensor directly to the ACM connector.
SP15-20A
Service Bulletin/Repair Instructions
To correct the J-1939 CAN2 and Nox sensor faults that have been intermittently logging, a dedicated CAN harness cable (twisted wires) will run from connector C26 near the ACM in the condenser compartment to the splice bar connector S-bar 1 at the rear of the bus
SP15-17
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, replace the engine harness as described in the following procedure.
SP-15-16
Service Bulletin/Repair Instructions
PREVOST: REAR JUNCTION BOX CONNECTIONS NEED INSPECTED WITH CLEAN TERMINALS AND TERMIN8R LUBRICANT OR BLACK COLOR GUARD SHOULD BE APPLIED FOLLOWING REQUIRED PROCEDURE. MODEL 2011-14 X3-45 (GLI). *PE
SP-15-20-2
Service Bulletin/Repair Instructions
PREVOST: ON SOME BUSES, BY VIN, WILL HAVE INSTALLED THE J-1939 CAN2 ENGINE SUBNET CABLE OVERLAY, DUE TO INTERMITTENT LOGGING. MODEL 2011-13 X3-45. *PE
SP-15-21
Service Bulletin/Repair Instructions
PREVOST: ON SOME BUSES, THE JUNCTION REAR COMPONENT BOX COVER WOULD BE REPLACED TO PREVENT PREMATURE CORROSION. MODEL X3-45. *PE
SP15-16A
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, inspect the rear junction box connections; clean terminals and apply black Color Guard or Termin8R lubricant following the procedure below.
SP15-22
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, replace the existing inlet & outlet NOx sensors by the latest Nox sensors.
SP15-309
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, inspect the Bosch HD10 alternator connections.
SP-15-309
Service Bulletin/Repair Instructions
PREVOST: BOSCH HD 10 ALTERNATOR CONNECTIONS, ON SOME BUSES, NEED TO BE INSPECTED AND MAY NEED OTHER PARTS AND MATERIALS, IF REQUIRED. MODEL 2011-14. *PE
WB14-47B
Service Bulletin/Repair Instructions
On the vehicles affected by this bulletin, perform a software update of ECM (Engine Control Module) and ACM (Aftertreatment Control Module) to provide improved temperature-related behaviour. The software will also change urea dosing valve behavior at shutdown and key-on. As an additional improvement, replace the urea dosing valve by an improved design. These hardware and software improvements aim to reduce the occurrence of clogging and shorting of the Urea Dosing Valve.
WB-13-91
Service Bulletin/Repair Instructions
PREVOST: INFORMATION PROVIDED ON REPLACING VALEO WIPER MOTOR WITH BOSCH WIPER MOTOR. MODEL 2011-2012 X3-45 COMMUTER, COACHES. *PE
MI-13-46
Service Bulletin/Repair Instructions
PREVOST: THE COMBINED CHARGING AND STARTING SYSTEM F81 FUSE, ON SOME COACHES, CAN UNEXPECTEDLY BLOW AND NEED A 3 AMP DIODE TO CORRESPONDING 24CO CIRCUIT TO PREVENT ELECTRICAL BACK FLOW TO FUSE. MODELS 2011-2013 H3, H3-45 VIP CONVERTED, X3-45, X3-45 VIP CONVERTED, XL2-45 ENTERTAINER CONVERTED. *PE
WB-13-29
Service Bulletin/Repair Instructions
PREVOST: A CORRECTIVE MEASURE IS REQUIRED DUE TO BOLTS LOOSEN BY BEING TIGHTENED TO PART MADE OF RUBBER, CAUSING THE RADIATOR FAN CLUTCH TRIPOD TO COME LOOSE AND STRIKING RADIATOR CORE. *PE
MI-12-48
Service Bulletin/Repair Instructions
PREVOST: IF RUBBING FOUND ON 4 INCH OD TURBO OUTLET PIPE, AFTER CLOSING SUPPORT BRACKET, THEN TO INCREASE CLEARANCE BETWEEN INVOLVED COMPONENTS, A MODIFICATION OF SUPPORT BRACKET MUST BE PERFORMED. NO MODEL OR MODEL YEARS LISTED. *PE MODELS 2011-2013 X3-45, XLII SHELLS, X3-45 VIP SHELLS. UPDATED 3/21/13. *PE
WB-12-31
Service Bulletin/Repair Instructions
PREVOST: INFORMATION BEING PROVIDED REGARDING THE REPLACEMENT OF DIPSTICK ON CERTAIN COACHES. MODELS 2009-2013 H3-45, H3-41, X3-45, XL11-45, X3-45. *PE
WB-12-18
Service Bulletin/Repair Instructions
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). *PE
WB12-05
Service Bulletin/Repair Instructions
PREVOST: AUTOMATIC FIRE SUPPRESSION SYSTEM (AFSS) EXTINGUISHER CYLINDER RELOCATION. *KB
SP-12-01-A
Service Bulletin/Repair Instructions
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
WB11-29A
Service Bulletin/Repair Instructions
PREVOST: VOLVO D13 ENGINE US10 VERSION: ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM) SOFTWARE UPDATES. *KB
SCI11-11
Service Bulletin/Repair Instructions
PREVOST: KIDDE FIRE EXTINGUISHER CONTROL HEAD REPLACEMENT. *KB UPDATED 5/9/2012. *KB
SP11-12
Service Bulletin/Repair Instructions
PREVOST: VOLVO D13 ENGINE EPA2010 - RETIGHTENING OF CONICAL INJECTOR YOKE SCREW. *KB