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Service bulletin 13-TS-11

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 id10052009
Published by NHTSA2013-05-01
Manufacturer's number13-TS-11
Manufacturer's date2013-03-21
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

DETROIT DIESEL: OIL FILTER BYPASS VALVE REPLACEMENT. DUE TO THE BREAKING OF THE VALVE DURING OIL FILTER REPLACEMENT. THE VALVE ENSURES THE ENGINE OIL IS BEING FILTERED PROPERLY. *KB

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
DETROIT DIESEL DETROIT

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