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Service bulletin 17730-312 Rev A

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 id10162712
Published by NHTSA2019-07-15
Manufacturer's number17730-312 Rev A
Manufacturer's date2019-03-01
NHTSA componentEQUIPMENT; SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

NHTSA's summary

Operation Name: Hendrickson Truck Commercial Vehicle Systems Document Name: Technical Procedure - SOFTEK Front Suspension System for Lion Bus Summary: This document provides preventive maintenance, service, repair and rebuild instructions for Hendrickson SOFTEK front axle and suspension systems equipped on Lion Bus vehicles.

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

Driver assistance, Equipment and accessories, Suspension

Vehicles listed
HENDRICKSON HENDRICKSON

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