# Service campaign C7146

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 campaign
- NHTSA id: 11019287
- Published by NHTSA: 2025\-06\-06
- Manufacturer's number: C7146
- Manufacturer's date: 2025\-05\-17
- Campaign id or software version: C7146
- NHTSA component: ENGINE

## NHTSA's summary

This Warranty Field Campaign is being issued to address incorrect and non\-reusable capscrews installed on the rear camshaft gear on certain ISX12 and ISX12N . This field action authorizes certified repair locations to replace all five \(5\) capscrews on the rear camshaft gear on eligible engines.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019287-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019287-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS ISX12
- CUMMINS ISX12N

JSON: [/v1/bulletins/11019287](/v1/bulletins/11019287)

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