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Service bulletin TIBU-7394

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10055215
Published by NHTSA2014-04-23
Manufacturer's numberTIBU-7394
Manufacturer's date2014-02-21
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

CATERPILLAR: INFORMATION REGARDING THE DOSER NOZZLE KEEPS PLUGGING UP FROM THE CARBON BRIDGING OVER NOZZLE, IN SOME TRUCKS, AND A NEW DESIGN/STYLE WILL REPLACE OLD STYLE, AND REDUCE CARBON BRIDGING. MODEL CT660. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
CATERPILLAR CT6602012 to 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.