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Service bulletin TSB190011-041220

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 id10159532
Published by NHTSA2019-05-13
Manufacturer's numberTSB190011-041220
Manufacturer's date2019-04-12
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of an exhaust leak between the turbine housnig and the exhaust outlet connection. During assembly and previous repairs, the turbine outlet flange and exhaust outlet flange may have been misaligned, causing a leak path for exhaust.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions

Vehicles listed
CUMMINS ISB6.7

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