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Service bulletin TSB160044-050316

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 id10081804
Published by NHTSA2016-10-07
Manufacturer's numberTSB160044-050316
Manufacturer's date2016-06-01
NHTSA componentENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE TROUBLESHOOTING AND REPAIR STEPS TO ADDRESS HIGH OIL CONSUMPTION AND REDUCED SPARK PLUG LIFE DUE TO LIFTED VALVE GUIDE SEALS. THE ISSUE IS ADDRESSED BY REPLACING THE VALVE GUIDE SEALS.

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 B
CUMMINS B5.9 GAS PLUS

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