# Service bulletin TT\-7693EN

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: 10059037
- Published by NHTSA: 2016\-01\-16
- Manufacturer's number: TT\-7693EN
- Manufacturer's date: 2015\-08\-01
- NHTSA component: EQUIPMENT

## NHTSA's summary

ALLISON TRANSMISSION: THE C3/C4 BONDED PISTON FAILED DUE TO AN INTRUSION OF WATER OR COOLANT INTO TRANSMISSION FLUID. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Equipment and accessories

## Vehicles listed

- ALLISON TRANSMISSION

JSON: [/v1/bulletins/10059037](/v1/bulletins/10059037)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20TT-7693EN&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10059037&vehicle=Service%20bulletin%20TT-7693EN)