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Service bulletin SF676

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 id10243338
Published by NHTSA2023-10-05
Manufacturer's numberSF676
Manufacturer's date2023-09-28
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

Field Service Campaign for Braking System Parameter Update

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

Brakes

Vehicles listed
WESTERN STAR 47X2023 to 2024
WESTERN STAR 49X2023 to 2024

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