WenmarOpen by Wenmar Pro

Service bulletin ITS-4423

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 id10035045
Published by NHTSA2011-02-09
Manufacturer's numberITS-4423
Manufacturer's date2011-02-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

NEW FLYER: REMOVE AND REPLACE ZF TRANSMISSION BREATHER HOSE TO PROVIDE BETTER DRIP LOOP. MODELS 35FT, 40FT, DSL. NO MODEL YEARS LISTED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
NEW FLYER DE40LF2004 to 2009
NEW FLYER DE40LFA2009
NEW FLYER DE40LFR2006 to 2009

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