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Service bulletin P36029

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 id10154147
Published by NHTSA2019-03-04
Manufacturer's numberP36029
Manufacturer's date2018-12-01
NHTSA componentSUSPENSION; TRAILER HITCHES; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Product Update - ULTRAA-K Air Spring Change Summary: This document announces a design change to air springs equipped on Hendrickson ULTRAA-K integrated trailer slider suspension and axle systems.

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.