# Service bulletin TB EN\-57

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: 10116857
- Published by NHTSA: 2017\-08\-31
- Manufacturer's number: TB EN\-57
- Manufacturer's date: 2015\-10\-08
- NHTSA component: ENGINE

## NHTSA's summary

Passing Oil Complaints in GH7 Turbochargers. Purpose: To advise technicians to inspect the turbo air inlet and air outlet for passing oil complaints.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10116857-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10116857-0001.pdf)

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

## Components

Engine

## Vehicles listed

- UD TRUCKS UD TRUCKS

JSON: [/v1/bulletins/10116857](/v1/bulletins/10116857)

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