WenmarOpen by Wenmar Pro

Service bulletin ITS6623

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 id10117561
Published by NHTSA2017-09-14
Manufacturer's numberITS6623
Manufacturer's date2017-08-31
NHTSA componentPOWER TRAIN:AXLE HUBS

NHTSA's summary

This Maintenance Instruction Describes How to Inspect Rear Axle Hub Spindle Nuts

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

Transmission and driveline, Axle

Vehicles listed
NEW FLYER XD402016
NEW FLYER XDE402016 to 2017
NEW FLYER XDE602016
NEW FLYER XN402016

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