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Service bulletin SIB-901-11

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 id10043064
Published by NHTSA2012-02-17
Manufacturer's numberSIB-901-11
Manufacturer's date2011-09-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

DETROIT DIESEL: NEW PROCEDURES HAVE BEEN ADDED TO MANUAL SUCH AS INSTALLATION, INSPECTION, AND REMOVAL OF NEEDLE RETURN PRESSURE CONTROL VALVE. NO MODEL OR MODEL YEAR VEHICLES 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
DETROIT DIESEL DETROIT

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