# Service bulletin SB 3100

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: 10110761
- Published by NHTSA: 2017\-08\-07
- Manufacturer's number: SB 3100
- Manufacturer's date: 2017\-02\-10
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This Service Bulletin informs affected customers of the update to the API oil classification. In line with the 2017 updates to the API oil classification, CK\-4 10W30 oil will replace both the CJ\-4 5W40 and 15W40 predecessors.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110761-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110761-0001.pdf)

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

## Components

Engine

## Vehicles listed

- MCI D SERIES
- MCI J SERIES

JSON: [/v1/bulletins/10110761](/v1/bulletins/10110761)

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