# Service bulletin T1612

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: 10087674
- Published by NHTSA: 2017\-01\-03
- Manufacturer's number: T1612
- Manufacturer's date: 2015\-04\-07
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)

## 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.

## 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

Engine, Exhaust and emissions, EGR valve

## Vehicles listed

- CUMMINS ISL9

JSON: [/v1/bulletins/10087674](/v1/bulletins/10087674)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20T1612&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10087674&vehicle=Service%20bulletin%20T1612)