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Service bulletin 17730-266, Rev.

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 id10136805
Published by NHTSA2018-05-14
Manufacturer's number17730-266, Rev.
Manufacturer's date2017-12-01
NHTSA componentSUSPENSION

NHTSA's summary

Operation Name: Hendrickson Truck Commercial Vehicle Systems Document Name: Technical Procedure - PRIMAAX EX/FIREMAAX EX/PRIMAAX/FIREMAAX Rear Air Suspension, Pre-Delivery Inspection and Preventive Maintenance Summary: This document provides pre-delivery inspection and preventive maintenanc service instructions for Hendrickson PRIMAAX EX/FIREMAAX EX/PRIMAAX/FIREMAAX rear air suspension 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

Suspension

Vehicles listed
HENDRICKSON HENDRICKSON

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