# Service bulletin WB13\-56

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: 10110667
- Published by NHTSA: 2017\-08\-04
- Manufacturer's number: WB13\-56
- Manufacturer's date: 2013\-09\-04
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

## NHTSA's summary

On the vehicles affected by this bulletin, the air dryer assembly may present a leak at the pressure probe connection. The O\-ring in this location may be deformed due to the fitting arrangement. Adding a metal ring will prevent this issue.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10110667-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10110667-0001.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2013 PREVOST H3\-45
- 2013 PREVOST H3\-VIP
- 2013 PREVOST WE

JSON: [/v1/bulletins/10110667](/v1/bulletins/10110667)

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