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.
TSIB 25-01
Service Bulletin/Repair Instructions
Thermo-King has issued a Service Bulletin (SB866-1) related to the clutch bearing maintenance on their QS616 HVAC screw compressor. New Flyer is issuing this Technical Service Information Bulletin to notify New Flyer XD60, XN60 and XDE60 bus operators about this Thermo-King Service Bulletin.
ITS61063
Service Bulletin/Repair Instructions
Instructions to Service to remove bypassed engine calibration from ECM and replace DEF sensor as required.
ITS60838
Service Bulletin/Repair Instructions
Instruction to Service 60838 to check/replace fuse box mounting hardware as required.
ITS60418
Service Bulletin/Repair Instructions
This technical instruction describes how to replace dust covers and seal and protect the harnesses associated with the Smart Rider suspension leveling system for buses with components only installed on the front axle.
ITS60381
Service Bulletin/Repair Instructions
This Instruction to Service describes how to install a reminder decal for the SDS panel retaining lanyard on specifically equipped buses.
ITS60288
Service Bulletin/Repair Instructions
This Instruction to Service (ITS) decribes the inspection procedure required to inspect the upper bulkhead brakets for cracks, on the articulation joint of a sixty foot bus.
ITS59303
Service Bulletin/Repair Instructions
Technical Instruction describing hos to remove, rework, and replace the stop request sign support bracket, to promote clearance for electrical wiring.
ITS59195
Service Bulletin/Repair Instructions
Technical Instruction discribing how to replace the interal spring in a fuel tank Level Control Valve (LVC).