# Service bulletin D23M1REV

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: 10246188
- Published by NHTSA: 2023\-12\-07
- Manufacturer's number: D23M1REV
- Manufacturer's date: 2023\-11\-30
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Revised Detroit Field Service Campaign for Drilled Exhaust Rocker Arm Installation. REVSION: Parts disposition is now SCRAP. Please follow normal part return procedures.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10246188-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10246188-9999.pdf)

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

## Components

Engine

## Vehicles listed

- DETROIT DIESEL DETROIT DIESEL

JSON: [/v1/bulletins/10246188](/v1/bulletins/10246188)

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