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.
SCI09-28
Service Bulletin/Repair Instructions
PREVOST: INSTALLING THREE-POINT PASSENGER SEAT RESTRAINT SYSTEM. THE PURPOSE OF THE FOLLOWING PROCEDURE IS TO FACILITATE THE JOB AND TO HELP IDENTIFY THE DIFFICULT AREAS. ALSO INCLUDED MODELS HE-41 AND HE-45 COACHES MODEL YEARS 1998-2008; MODEL XLII AND X3-45 COACHES MODEL YEARS 1998-2008. *JS
MI07-04
Service Bulletin/Repair Instructions
PREVOST: OIL LUBRICATED WHEEL HUB BEARINGS. FOR MAXIMUM PERFORMANCES AND SAFETY, ENSURING THAT THE WHEEL HUBS ARE INSPECTED DAILY AND LUBRICATED IN REGULAR INTERVALS IS OF THE UTMOST IMPORTANCE. *JS
0303
Service Bulletin/Repair Instructions
REPLACEMENT OF PARKING BRAKE PRESSURE SWITCH. THIS INCLUDES 2003 MODELS AS WELL. *TT