# Service bulletin T1612D

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: 10086598
- Published by NHTSA: 2016\-12\-19
- Manufacturer's number: T1612D
- Manufacturer's date: 2016\-03\-14
- NHTSA component: ENGINE; 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. THIS IS A AN UPDATE TO A PREVIOUSLY 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

Engine, Exhaust and emissions, EGR valve

## Vehicles listed

- CUMMINS ISL9

JSON: [/v1/bulletins/10086598](/v1/bulletins/10086598)

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