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.
TSI120801
NAVISTAR: THIS TSI OUTLINES THE IMPORTANCE OF PROPER INSPECTIONS AND MAINTENANCE OF BUS BATTERY CABLES, HARNESS, AND TRANSMISSION COOLER HOSES IN THE AIR-MANAGEMENT PANEL AREA. INCLUDING SCHOOL AND COMMERCIAL BUSES BUILT PRIOR TO JULY 2007. *JS
IK-0500038
NAVISTAR: STEERING GOES INTO A SHIMMY AFTER HITTING A BUMP. *RM UPDATED 3/20/12. *PE
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.