# Service bulletin ATC1950

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.

- Type: Service bulletin
- NHTSA id: 10123198
- Published by NHTSA: 2017\-11\-14
- Manufacturer's number: ATC1950
- Manufacturer's date: 2017\-10\-27
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

This Account Team Coverage is being issued to update certain ISX15 CM2350 valve rocker assemblies. This field action provides authorization for certified repair locations to replace the intake and exhaust valve rocker assemblies on eligible engines with assemblies that included improved oil delivery to the roller and pin interface.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10123198-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10123198-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Exhaust and emissions

## Vehicles listed

- CUMMINS ISX15

JSON: [/v1/bulletins/10123198](/v1/bulletins/10123198)

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