# Service bulletin TSB170004\-032120

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: 10110310
- Published by NHTSA: 2017\-08\-04
- Manufacturer's number: TSB170004\-032120
- Manufacturer's date: 2017\-03\-21
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ENGINE AND ENGINE COOLING

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross\-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head cooling jacket and injector bore.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110310-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110310-0001.pdf)

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

## Components

Engine, Fuel system, Cooling system, Fuel injection

## Vehicles listed

- CUMMINS ISX

JSON: [/v1/bulletins/10110310](/v1/bulletins/10110310)

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