14CSA20
Service Bulletin/Repair Instructions
14CSA20 EGR Valve Actuator Kit P/N E23539699
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.
14CSA20
14CSA20 EGR Valve Actuator Kit P/N E23539699
SB-49-5
THOMAS BUILT: WHEN DIESEL EXHAUST FLUID (DEF) SYSTEM SITS FOR EXTENDED LENGTH OF TIME, THE TANK MAY CRYSTALLIZE AROUND FLOAT ON DEF LEVEL SENDING UNIT TUBE AND NEEDS CLEANING OR IT CAN CAUSE FLOAT TO STICK. MODEL SAF-T-LINER C2. NO MODEL YEARS LISTED. *PE
SB-20-9
THOMAS BUILT BUSES: GENTECH LOW COOLANT LEVEL SENSORS, WITH MOUNTED SURGE TANKS, ARE MISDIAGNOSED DUE TO FAULT CODE DURING TEMPORARY LOW COOLANT LEVEL IN SURGE TANK DURING ENGINE WARM UP. *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.