# Service bulletin PUB161103DLR

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: 10117953
- Published by NHTSA: 2017\-09\-22
- Manufacturer's number: PUB161103DLR
- Manufacturer's date: 2016\-11\-21
- NHTSA component: EQUIPMENT; ENGINE

## NHTSA's summary

The purpose of this Product Upgrade Dealer Notification Letter is to inform REV dealers of the process to inspect for the presence of an air inlet screen and to remove the rubber portion of a drain valve \(?duck bill?\) on certain model year 2016\-2017 American Coach products. On the affected motorhomes, the engine?s air intake plenum \(?duck bill?\) drain valve may become clogged with debris. If the engine is started prior to removal of the ?duck bill?, water may enter the engine and cause extensive engine damage, and may render the engine inoperable.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10117953-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10117953-0001.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2016 AMERICAN COACH AMERICAN ALLEGIANCE
- 2017 AMERICAN COACH AMERICAN DREAM
- 2016 to 2017 AMERICAN COACH AMERICAN EAGLE
- 2016 AMERICAN COACH AMERICAN HERITAGE
- 2016 AMERICAN COACH AMERICAN TRADITION

JSON: [/v1/bulletins/10117953](/v1/bulletins/10117953)

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