# Service campaign C7028

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: 11002732
- Published by NHTSA: 2024\-07\-01
- Manufacturer's number: C7028
- Manufacturer's date: 2024\-06\-11
- NHTSA component: ENGINE

## NHTSA's summary

This campaign addresses engines potentially assembled with an incorrect upper main bearing that would prevent proper flow of lubricating oil through the crankshaft. This campaign enables authorized repair locations to replace the upper main bearing and address any progressive damage. This is an updated version of a previous communication.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11002732-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11002732-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS B6.7

JSON: [/v1/bulletins/11002732](/v1/bulletins/11002732)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20campaign%20C7028&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11002732&vehicle=Service%20campaign%20C7028)