# Service bulletin T1612E

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: 10110306
- Published by NHTSA: 2017\-08\-04
- Manufacturer's number: T1612E
- Manufacturer's date: 2017\-03\-31
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING

## NHTSA's summary

This Temporary Repair Practice is being issued to address plugging of the EGR coolers and EGR valves resulting in FC1896 and/or FC3382 on ISL9 CM2350 transit bus applications. This TRP authorizes the replacement of pistons and valve stem seals, and if required, updating the ECM calibration. This is a an update to a previously released communication.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110306-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10110306-0001.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- CUMMINS ISL 9

JSON: [/v1/bulletins/10110306](/v1/bulletins/10110306)

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