10_2025
Service Bulletin/Repair Instructions
Heater manifold valve orientation for heater lines. Winter preparation for heat in cab.
Vehicle report
2007 SUTPHEN SAI 110
Service bulletins
2 bulletinsTechnical 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.
Aug 2025
Service Bulletin/Repair Instructions
Cable Lubrication Service Bulletin
Reading this report
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.