# Service bulletin CMI\-052121\-B

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: 10198313
- Published by NHTSA: 2021\-06\-28
- Manufacturer's number: CMI\-052121\-B
- Manufacturer's date: 2021\-05\-21
- NHTSA component: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

## NHTSA's summary

This is a representative communication between the Cummins producing plant to affected vehicle manufacturers regarding the potential issue with fuel leaks caused by incorrectly torqued hose clamps. The engine plant pursued corrective action to retorqued the hose clamps to the correct torque load.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198313-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198313-9999.pdf)

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

## Components

Engine, Fuel system

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10198313](/v1/bulletins/10198313)

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