# Service bulletin IK1300185

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: 10170958
- Published by NHTSA: 2020\-02\-04
- Manufacturer's number: IK1300185
- Manufacturer's date: 2020\-01\-30
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Reduced ISB Engine Exhaust Brake Efficiency; Only vehicles with Allison 1000/2000 series transmissions

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10170958-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10170958-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2017 to 2020 IC BUS CE
- 2018 to 2019 IC BUS CESB
- 2018 IC BUS RE
- 2018 to 2020 IC BUS RECB
- 2019 to 2020 IC BUS RESB
- 2017 to 2020 INTERNATIONAL DURASTAR
- 2017 to 2020 INTERNATIONAL HV
- 2017 to 2020 INTERNATIONAL MV

JSON: [/v1/bulletins/10170958](/v1/bulletins/10170958)

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