Service Bulletin
Service Bulletin/Repair Instructions
Super Products Service Bulletin No. 135-01 advising to check bolt torque on front and rear yoke flange drive lines as part of monthly preventative maintenance.
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.
Service Bulletin
Super Products Service Bulletin No. 135-01 advising to check bolt torque on front and rear yoke flange drive lines as part of monthly preventative maintenance.
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.