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Service bulletin SB2394

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10247503
Published by NHTSA2023-12-18
Manufacturer's numberSB2394
Manufacturer's date2023-12-14
NHTSA componentSUSPENSION; STRUCTURE:BODY:DOOR

NHTSA's summary

DESCRIPTION Van Hool has been informed about a harmless phenomenon regarding the front entrance door when the air suspension raising system is activated. Investigation has shown that when the raising system is activated, air is pulled out of the front passenger compressedair circuit causing the quick release valve in that circuit to a momentary switch. This can be noticed by a short soft sound of escaping air. This service bulletin gives step-by-step instructions how to install an additional singlecheck valve to prevent this phenomenon from happening.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame, Suspension

Vehicles listed
VAN HOOL CX45
VAN HOOL CX452002 to 2022
VAN HOOL CX452024

Listing a model year does not mean every vehicle of it is concerned: the document says which.