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Service bulletin TSB150074-051915

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 id10087668
Published by NHTSA2017-01-03
Manufacturer's numberTSB150074-051915
Manufacturer's date2015-05-20
NHTSA componentEQUIPMENT

NHTSA's summary

THIS TECHICAL SERVICE BULLETIN ANNOUNCES A NEW TURBOCHARGER COOLANT LEAK TEST KIT TO PERFORM TURBOCHARGER COOLANT LEAK TESTS.

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

Equipment and accessories

Vehicles listed
CUMMINS ISX
CUMMINS ISX11.9
CUMMINS ISX12
CUMMINS ISX15

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