# Service bulletin TSB140017\-111320

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: 10127385
- Published by NHTSA: 2018\-01\-29
- Manufacturer's number: TSB140017\-111320
- Manufacturer's date: 2017\-11\-16
- NHTSA component: ENGINE

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of a lubricating oil leak and high crankcase pressure fault codes on engines with an internal crankcase breather filter. The engines are experiencing crankcase breather tube freezing issues in below freezing temperatures.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127385-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10127385-0001.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS B6.7
- CUMMINS ISB6.7

JSON: [/v1/bulletins/10127385](/v1/bulletins/10127385)

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