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Service bulletin ITS-58639

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 id10160585
Published by NHTSA2019-05-31
Manufacturer's numberITS-58639
Manufacturer's date2019-05-30
NHTSA componentSERVICE BRAKES, AIR

NHTSA's summary

Technical Instruction Describing How to Retrofit the Air Compressor Snorkel Air Intake System.

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

Brakes

Vehicles listed
NEW FLYER XE402018 to 2019

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