04-00-89-015Z
Service Bulletin/Repair Instructions
This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
Vehicle report
2002 GMC WT5500
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.
16NA383
Service Bulletin/Repair Instructions
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
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.