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Service bulletin T81001 RevD

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 id10153834
Published by NHTSA2019-02-25
Manufacturer's numberT81001 RevD
Manufacturer's date2018-10-01
NHTSA componentSUSPENSION

NHTSA's summary

Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Technical Procedure - Trailer Suspension Systems, ZMD Zero Maintenance Damping, INTRAAX/VANTRAAX Retrofit Kit Installation Procedures Summary: This document provides installation procedures for ZMD Zero Maintenance Damping aftermarket retrofit kits for use on select Hendrickson INTRAAX and VANTRAAX trailer suspension models.

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

Suspension

Vehicles listed
HENDRICKSON HENDRICKSON

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