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Service bulletin TSB170002

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 id10233007
Published by NHTSA2023-03-20
Manufacturer's numberTSB170002
Manufacturer's date2023-02-23
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage by installing retaining ring, Part Number 4312298 in all six injector sleeves.This is an update to a previously submitted communication.

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

Fuel system

Vehicles listed
CUMMINS ISX
CUMMINS X15

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