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Service bulletin S7630

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 id10211022
Published by NHTSA2022-05-05
Manufacturer's numberS7630
Manufacturer's date2022-04-13
NHTSA componentWHEELS; POWER TRAIN:AXLE HUBS

NHTSA's summary

Proprietary Steerable Axle Hubcap Replacement

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

Transmission and driveline, Wheels, Axle

Vehicles listed
MACK ANTHEM (AN)2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GR)2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2021, 2022 (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.