# Service bulletin C1721

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: 10083400
- Published by NHTSA: 2016\-10\-24
- Manufacturer's number: C1721
- Manufacturer's date: 2016\-01\-22
- NHTSA component: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

## NHTSA's summary

THIS CAMPAIGN IS BEING ISSUED TO ADDRESS THE LOW ASSEMBLY TORQUE OF ONE OF THE COOLANT LINES FOR THE AFTERTREATMENT FUEL INJECTOR ON THE ISX15 CM2350 ENGINES. THIS CAMPAIGN AUTHORIZES THE RETORQUE OF THE AFTERTREATMENT FUEL INJECTOR COOLANT LINE END AT THE LUBRICATING OIL FILTER HEAD. THIS IS A RE\-ISSUE OF A PREVOUSLY RELEASED COMMUNICATION.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Fuel system, Fuel injection

## Vehicles listed

- CUMMINS ISX15

JSON: [/v1/bulletins/10083400](/v1/bulletins/10083400)

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