# Service bulletin SB1634

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: 10168579
- Published by NHTSA: 2019\-12\-02
- Manufacturer's number: SB1634
- Manufacturer's date: 2019\-12\-02
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

## NHTSA's summary

Product Improvement. Introduction of new single check valves in cooling\-circuits deaeration lines.Van Hool have recently switched over into production a new type of single check valve. Contrary to the previous type equipped with a plastic housing, the new type comprises an aluminium housing. Because of this, they are better suited to resist higher coolant temperatures. As the new type can also be used on previoulsy sold vehicles, only the new type will be available as a spare part. This service bulletin applies to All Van Hool Vehicles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168579-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168579-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- VAN HOOL A300K
- 2006 VAN HOOL A300K
- 2008 to 2009 VAN HOOL A300K
- 2005 VAN HOOL A300K HYB
- 2008 to 2010 VAN HOOL A300L
- 2012 VAN HOOL A300L
- 2002 to 2004 VAN HOOL A330
- 2004 VAN HOOL A330FC
- 2007 VAN HOOL A330FC
- 2002 to 2004 VAN HOOL AG300
- 2006 to 2007 VAN HOOL AG300
- 2009 VAN HOOL AG300
- VAN HOOL C2045
- 2005 to 2018 VAN HOOL C2045
- 2010 VAN HOOL C3045
- VAN HOOL CX35
- 2000 to 2020 VAN HOOL CX35
- VAN HOOL CX45
- 2000 to 2020 VAN HOOL CX45
- VAN HOOL T2140
- 2004 to 2013 VAN HOOL T2140
- VAN HOOL T2145
- 2005 to 2014 VAN HOOL T2145
- VAN HOOL TD925
- 2008 to 2019 VAN HOOL TD925
- VAN HOOL TDX25
- 2014 to 2019 VAN HOOL TDX25
- VAN HOOL TX40
- 2000 to 2019 VAN HOOL TX40
- VAN HOOL TX45
- 2000 to 2019 VAN HOOL TX45

JSON: [/v1/bulletins/10168579](/v1/bulletins/10168579)

[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%20SB1634&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10168579&vehicle=Service%20bulletin%20SB1634)