# Service bulletin C7000

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: 10252398
- Published by NHTSA: 2024\-04\-02
- Manufacturer's number: C7000
- Manufacturer's date: 2024\-03\-05
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This Campaign is being issued to address o\-ring replacements at the air compressor coolant lines on certain X15 and X12 engines. This will prevent potential coolant leaks due to non\-conforming o\-ring material. Through this Campaign, it is authorized to repair applicable components at certified repair locations if all criteria are met in the Action section.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10252398-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10252398-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS X12
- CUMMINS X15

JSON: [/v1/bulletins/10252398](/v1/bulletins/10252398)

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