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Service bulletin TSB150171

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 id10076192
Published by NHTSA2016-07-07
Manufacturer's numberTSB150171
Manufacturer's date2015-10-26
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

HIGH MOUNT TURBOCHARGERS WITH TOP MOUNT TURBOCHARGER ACTUATOR - LUBRICATING OIL FOUND AT TURBOCHARGER SECTOR GEAR AND TURBOCHARGER GEAR WHEN TURBOCHARGER ACTUATOR IS REMOVED. During troubleshooting on engines equipped with high mount turbochargers with top mount turbocharger actuators, lubricating oil has been found around the turbocharger sector gear and the variable geometry turbocharger actuator gear. This is normal and does not indicate a malfunction has occurred.

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, Turbocharger or supercharger

Vehicles listed
CUMMINS CUMMINS

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