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Service campaign S4584 092025

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 campaign
NHTSA id11023462
Published by NHTSA2025-10-01
Manufacturer's numberS4584 092025
Manufacturer's date2025-09-01
NHTSA componentSTEERING; UNKNOWN OR OTHER

NHTSA's summary

The vehicle’s steering shaft support bracket may have been assembled with incorrect hardware.

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

Vehicles listed
MACK GRANITE (GR)2026 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2026 (the catalog's model; the bulletin names a series or trim of it)

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