WB9813
Service Bulletin/Repair Instructions
SUBJECT REGARDING AD-9 AIR DRYER PURGE VALVE. *YC
Vehicle report
1997 PREVOST H3-40
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.
WB9803
Service Bulletin/Repair Instructions
RELOCATION OF DRIVER'S AREA THERMOSTAT MODULE. *YC
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.