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Service bulletin CSR 3050

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 id10231835
Published by NHTSA2023-02-15
Manufacturer's numberCSR 3050
Manufacturer's date2023-02-14
NHTSA componentSUSPENSION; STEERING

NHTSA's summary

Altec Industries, Inc. has received notification from Navistar that a condition exists relating to motor vehicle safety, compliance, or emissions in a vehicle you possess that is equipped with Altec equipment. Navistar has decided that certain International trucks built from January 2022 through August 2022 could have a specific hex flange lock nut used in several, not all, steering and/or suspension locations that may have not been properly formed and heat treated to Navistar's specifications and can result in a loss of joint tension as the vehicle ages.

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

Steering, Suspension

Vehicles listed
ALTEC AERIAL DEVICE2021 to 2023
ALTEC DIGGER DERRICK2021 to 2023

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