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Service bulletin IB16-J-002

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 id10096867
Published by NHTSA2017-04-04
Manufacturer's numberIB16-J-002
Manufacturer's date2016-11-18
NHTSA componentENGINE

NHTSA's summary

ISUZU MOTORS LIMITED HAS ANALYZED FAILED ENGINES AND DETERMINED THAT ENGINE OIL DILUTED WITH DIESEL FUEL IS A CAUSE OF SOME ENGINE FAILURES. IF THE ENGINE OIL LEVEL IS HIGH, THE OIL MAY BE DILUTED WITH DIESEL FUEL. THIS BULLETIN IS BEING ISSUED TO ADVISE DEALERS OF POSSIBLE REASONS THAT ENGINE OIL MAY BE OVERFULL OR DILUTED WITH DIESEL FUEL.

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
CHEVROLET C SERIES
CHEVROLET T SERIES
CHEVROLET W-SERIES
GMC C SERIES
GMC T SERIES
GMC W-SERIES
ISUZU F SERIES
ISUZU H SERIES
ISUZU N SERIES

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