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.
SEBD-6881
CATERPILLAR(CAT): INFORMATION BEING PROVIDED REGARDING THE ACCESSORIES AND NEW TURBO CHARGERS, REPLACEMENT AND OVERHAUL OF VARIABLE VALVE ACTUATOR ASSEMBLY ON CERTAIN HIGH HORSEPOWER TRUCK ENGINES AND ON HIGHWAY TRUCK ENGINES. MODELS C11, 13, 15. NO MODEL YEARS LISTED. *PE
TIB-6146
CATERPILLAR: THERE IS THREAD DAMAGE TO THE TEMPERATURE SENSOR AND DIESEL FILTER PORTS. *RM
SB-SMCS-5502
CATERPILLAR: NEW IMPROVED AIR LINES FOR AIR COMPRESSORS. NEW AIR COMPRESSORS GROUPS ARE USED FOR ALL ENGINES. THE CHANGES INCLUDE STEEL BRAIDED HOSE AND NEW FITTINGS THAT WILL ADD IMPROVED LIFE AND RELIABILITY TO THE PARTS. MODEL ENGINE C15 (S/N:BXS1-UP; MXS1-UP; NXS1-UP). NO MODEL YEARS LISTED. *PE
PS-42852
CATERPILLAR ENGINE: EXISTING COMPONENTS ON THE REGENERATION SYSTEM CAN FAIL CAUSING THE SYSTEM TO NOT REGENERATE PROPERLY. MODEL AND MODEL YEARS UNKNOWN. *PE
TIB-U- 5301-01
CATERPILLAR:OIL EMULSION: A THICK MIXTURE OF ENGINE OIL AND CRANKCASE MOISTURE THAT ADHERES TO INTERNAL ENGINE SURFACES. MODEL AND MODEL YEARS UNKNOWN. *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.