# Service bulletin ST 1898 Rev B

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: 10156667
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: ST 1898 Rev B
- Manufacturer's date: 2014\-04\-11
- NHTSA component: POWER TRAIN

## NHTSA's summary

Service Tip regarding Water and/or Ethylene Glycol in Transmission Fluid. The analysis of the fluid sample \(by the fluid supplier or any qualified laboratory\) will provide the degree of contamination and possible clue of its source

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10156667-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10156667-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- ALLISON TRANSMISSION

JSON: [/v1/bulletins/10156667](/v1/bulletins/10156667)

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