ITS61086
Service Bulletin/Repair Instructions
Instructions to remove DEF sensor bypass calibration from engine ECM and new sensor installation AR - 12inch DEF tank
Vehicle report
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.
ITS61086
Instructions to remove DEF sensor bypass calibration from engine ECM and new sensor installation AR - 12inch DEF tank
TSIB 25-01
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.
ITS61038
Instructions to replace the A/C belt sheave (pulley) with an improved version to mitigate the AC belt splitting.
ITS60467
Technical Instruction describing how to remove and replace the incorrect EPA emissions placard.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.