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Service bulletin T71004, Rev. E

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 id10127267
Published by NHTSA2018-01-22
Manufacturer's numberT71004, Rev. E
Manufacturer's date2017-10-01
NHTSA componentTRAILER HITCHES; SUSPENSION; EQUIPMENT

NHTSA's summary

Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Technical Procedure - Trailer Suspension Systems Air Disc Brake (ADB), Hub and Rotor Assembly Caliper Mounting Procedures Summary: This document provides the procedure for installation of ADB calipers for different hub and rotor assemblies equipped on applicable Hendrickson integrated trailer suspension and axle assemblies and loose axle assemblies.

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, Suspension, Trailer hitch

Vehicles listed
HENDRICKSON HENDRICKSON

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