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Service bulletin 0038E

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 id10000547
Published by NHTSA2003-03-25
Manufacturer's number0038E
Manufacturer's date2001-08-08
Replaces0038D
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

A DESIGN ISSUE REGARDING INJECTORS WITH OIL SEALS THAT CAN CAUSE ENGINE OIL USAGE TO INCREASE. *TT

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
CUMMINS ISX
CUMMINS QSK
CUMMINS SIGNATURE

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