Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 891 bulletins for PREVOST
MI-13-33
Apr 1, 2013
350000 EQUIPMENT
PREVOST: THE POLYESTER REINFORCED SILICONE HOSES AND ELBOWS ARE BEING REPLACED, FOR IMPROVED LONG TERM DURABILITY, BY THE ARAMID REINFORCED HOSES AND ELBOWS. NO MODELS OR MODEL YEARS LISTED. *PE
SP13-10
Mar 29, 2013
100000 POWER TRAIN
A transmission reprogramming is necessary in order to correct and interlock issue between the wheelchair lift system and the I-shift transmission
SP13-18
Mar 29, 2013
162300 STRUCTURE:BODY:DOOR
Possibility of galvanic corrosion between the aluminium door and the stainless steel evaporator door retaining mechanism. Procedure to solve the issue.
SP13-310
Mar 29, 2013
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
On the vehicles affected by this bulletin, force UIP regen and replace doser modules as requested
WB13-02
Mar 19, 2013
130000 VISIBILITY
On the vehicles affected by this bulletin, the lavatory mirror may break around the key latch when applying pressure. Replace by an improved lavatory mirror door.
SP13-13
Feb 26, 2013
180000 VEHICLE SPEED CONTROL
To reduce vibration, replace belt tensioner on Bitzer compressor drive.
SP13-06
Feb 25, 2013
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
On affected vehicles the pipe clamps used to secure cooling system hoses located under the turbocharger may be misfitted, therefore this bulletin advises on how to proceed in order to changer with appropriate collars.
SP13-12
Feb 25, 2013
161000 STRUCTURE:FRAME AND MEMBERS
On the vehicles affected by this bulletin, there is a possibility of premature corrosion on the condenser frame, as it might not be made of stainless steel, as specified. Inpection and replacement if needed.
SP13-11
Feb 22, 2013
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Check the presence of error code PPID 329 on dashboard. If there is an error, check the manufacturing date on the valve. Replace the after treatment hydrocarbon injector valve for vehicles that have the code.
SP13-308
Feb 22, 2013
162300 STRUCTURE:BODY:DOOR
Complain from customer in Alaska, that baggage door lower panel on H series are peeling off on 2000?2001?2002 coaches
SP13-309
Feb 22, 2013
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
Multiple hose failures, agreed with customer to replace Silicone hose in engine compartment for coaches with Volvo engine.
SP13-09
Feb 21, 2013
030000 BRAKES (PWS)
Possible premature wear of brakes due to inadequate jacob brake intensity. Parameters change in software is done to fix the issue.
WB13-04A
Feb 19, 2013
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
On the vehicles affected by this bulletin, there may be an A/C Low Pressure message in the dashboard when the auxiliary fan is not running. Adding a bypass piping and valve assembly will solve this issue.
SP13-307
Feb 11, 2013
110000 ELECTRICAL SYSTEM
On the vehicles affected by this bulletin, replace R6 and R13 Relay Indirect and direct lightening, as premature failure of R6 and R13 due to the relay coil being activitated all the time
SP13-305
Feb 1, 2013
060000 ENGINE AND ENGINE COOLING
On the vehicles affected by this bulletin, replace coolant hose for the most recent hose.
SP13-306
Feb 1, 2013
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
On the vehicles affected by this bulletin, replace the Exhaust Gas Recirculation Venturi tube and sensor for an improved design.
WB-13-04
Feb 1, 2013
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
PREVOST: WHEN AUXILIARY FAN FAILS RUN, AN A/C LOW PRESSURE MESSAGE WILL APPEAR ON DASHBOARD AND A BYPASS PIPING AND VALVE ASSEMBLY MAY BE ADDED TO RESOLVE THE ISSUE. MODEL 2011-2013 H3-45 VIP SHELLS. *PE
IS12050
Jan 28, 2013
060000 ENGINE AND ENGINE COOLING
This Instruction Sheet explains how to install kits to relocate the evaporator filters on existing Le Mirage XLII entertainer vehicles equipped with large A/C systems
WB12-41A
Jan 28, 2013
060000 ENGINE AND ENGINE COOLING
On the vehicles affected by this bulletin, an auxiliary coolant tank is available. This auxiliary coolant tank will prevent spillage due to expansion when main coolant surge tank is filled with too much coolant. *This warranty bulletin
SCI12-46A
Jan 18, 2013
060000 ENGINE AND ENGINE COOLING
This procedure will guide you through the steps required to relocate the evaporator filters on Le Mirage XL-II Entertainers. The heating coil in the evaporator compartment should be drained from coolant and some work and assembly is require
SP13-300
Jan 18, 2013
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
On the vehicles affected by this bulletin, change one parameter in the cluster software to fix the PID251 clock code.
SP13-301
Jan 18, 2013
070000 FUEL SYSTEM, GASOLINE
On the vehicles affected by this bulletin, replace booster pump support as vehicles with cracked support found during inspection.
SP13-302
Jan 18, 2013
220000 SEATS
On the vehicles affected by this bulletin, trim WCL seat pedestal block to make them easier to slide back and forward and reduce pedestal failures.
SP13-303
Jan 18, 2013
060000 ENGINE (PWS)
On the vehicles affected by this bulletin, reprogram engine to improve Piston cooling codes