# Service bulletin FSA.23W01

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: 10237778
- Published by NHTSA: 2023\-06\-13
- Manufacturer's number: FSA.23W01
- Manufacturer's date: 2023\-05\-12
- NHTSA component: ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC

## NHTSA's summary

Field service action to address Marathon pressure regulator coolant plate leaks in Hexagon Agility compressed natural gas \(CNG\) fuel systems.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237778-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237778-9999.pdf)

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

## Components

Brakes, Engine, Fuel system

## Vehicles listed

- AGILITY FUEL SYSTEMS CNG PRESSURE RELIEF DEVIC

JSON: [/v1/bulletins/10237778](/v1/bulletins/10237778)

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