# Service bulletin TSB210165\-080220

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: 10202380
- Published by NHTSA: 2021\-10\-25
- Manufacturer's number: TSB210165\-080220
- Manufacturer's date: 2021\-08\-02
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of closed crankcase ventilation system engine lubricating oil carryover and associated turbocharger lubricating oil leak.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202380-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202380-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS B6.7
- CUMMINS ISX12
- CUMMINS L9

JSON: [/v1/bulletins/10202380](/v1/bulletins/10202380)

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