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Service bulletin SEPD-1665

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 id10054498
Published by NHTSA2014-01-29
Manufacturer's numberSEPD-1665
Manufacturer's date2013-09-16
NHTSA componentENGINE

NHTSA's summary

CATERPILLAR: ON SOME ENGINES, THE VALVE COVERS HAVE BOLTS THAT VARIES IN DIFFERENT LENGTHS. MODEL CT660. NO YEARS LISTED. *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.