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Service bulletin TSB 15-01

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 id10166739
Published by NHTSA2019-10-28
Manufacturer's numberTSB 15-01
Manufacturer's date2015-01-21
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT

NHTSA's summary

This bulletin is being sent to our customers who recently specified installation of the Bendix TABS6 roll stability system on their new Heil trailer(s). At the request of the supplier, this system includes a QRN valve (balancing valve) which may not be mounted per the recommendations of the supplier.

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

Equipment and accessories

Vehicles listed
HEIL CRUDE TRAILER2014 to 2015
HEIL DRY BULK TRAILER2014 to 2015
HEIL FLATBED2014 to 2015
HEIL PETROLEUM PULL TRAILER2014 to 2015

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