# Service bulletin 190312REV\-1

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: 10161992
- Published by NHTSA: 2019\-07\-01
- Manufacturer's number: 190312REV\-1
- Manufacturer's date: 2019\-04\-04
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS; ENGINE

## NHTSA's summary

The purpose of this Product Upgrade Owner Notification Letter is to inform the owners of certain model year 2016 Monaco Dynasty, certain model year\(s\) 2018 and 2019 Monaco Marquis, and certain model year\(s\) 2018 and 2019 Monaco Signature, Class A motorhomes, about Product Upgrade Campaign 190312REV. On motorhomes affected by this Product Upgrade, the hydraulic hoses may be connected to the manifold/pump in a manner that causes them to be too tightly coiled, compressed or obstructed, which may cause the hoses to leak.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10161992-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10161992-9999.pdf)

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

## Components

Engine, Cooling system

## Vehicles listed

- 2018 to 2019 MONACO MARQUIS
- 2018 to 2019 MONACO SIGNATURE

JSON: [/v1/bulletins/10161992](/v1/bulletins/10161992)

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