# Service bulletin TSB210239\-111120

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: 10204432
- Published by NHTSA: 2021\-12\-13
- Manufacturer's number: TSB210239\-111120
- Manufacturer's date: 2021\-11\-11
- NHTSA component: ENGINE; ENGINE AND ENGINE COOLING

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of a potential external coolant leak at base coolant fitting located on top of the cylinder head due to incorrect assembly process.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10204432-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10204432-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS B6.7

JSON: [/v1/bulletins/10204432](/v1/bulletins/10204432)

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