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-7-408-001
Service Bulletin/Repair Instructions
AUTOCAR: VEHICLES WITH FIVE PIECE FRONT ENGINE CROSS MEMBERS HAVE SIDE BRACKET FAILURES AND INFORMATION IS PROVIDED FOR REPLACEMENT OF BRACKETS THAT FAILED DURING HEAVY DUTY OPERATIONS. MODELS 2007-2010 WX, WXR XPEDITORS. *PE
SP-7-408-002
Service Bulletin/Repair Instructions
AUTOCAR: THE FIVE PIECED FRONT ENGINE CROSS MEMBERS SIDE BRACKETS EXPERIENCED SIDE BRACKET FAILURES AFTER EXTENDED PERIOD OF HEAVY DUTY OPERATION. MODELS 2007-2010 WX, WXR XPEDITORS. *PE
SB-6-389-001
Service Bulletin/Repair Instructions
AUTOCAR: INSTRUCTIONS PROVIDED BY BULLETIN FOR INSPECTION AND PROPER TORQUE OF HARDWARE FOR STEERING ASSIST CYLINDER BRACKET. *PE UPDATED 4/11/2012. *KB
SP-8-451-001
Service Bulletin/Repair Instructions
AUTOCAR: CERTAIN TRUCKS MAY QUALIFY FOR THE INSTALLATION OF STEP BRACES AND REPLACEMENT OF CAB SKIRTS, DEPENDING ON OWNER USE AND MAINTENANCE. NO MODEL YEARS LISTED. *PE