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.
SP-4-286-001
AUTOCAR: INSTRUCTIONS BEING PROVIDED, ON CERTAIN TRUCKS WITH ISX ENGINES, WITH REGARDS TO REPLACING PARTS FOR TOG (TRANSMISSION OIL COOLER). MODELS ACX-CAB XPEDITOR. NO MODEL YEARS LISTED. *PE UPDATED 7/1/13. *PE
SP-4-286-002
AUTOCAR: SERVICE PROGRAM PROVING INSTRUCTIONS, ON TRANSMISSION OIL COOLER (TOC), FOR CERTAIN TRUCKS, IN OBTAINING REPLACEMENT PARTS AND TO REPLACE TOC. MODELS ACX-CAB, XPEDITOR. NO MODEL YEARS LISTED. *PE UPDATED 1/6/14. *PE
SP-4-286-003
AUTOCAR: INSTRUCTIONS BEING PROVIDED, REGARDING CERTAIN TRUCKS, IN OBTAINING REPLACEMENT PARTS FOR TRANSMISSION OIL COOLER (TOC) AND REPLACEMENT. MODELS ACX CAB, XPEDITOR. NO MODEL YEARS LISTED. *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.