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Service bulletin M-821-028 202308

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 id10241947
Published by NHTSA2023-09-06
Manufacturer's numberM-821-028 202308
Manufacturer's date2023-08-14
NHTSA componentSTRUCTURE; LATCHES/LOCKS/LINKAGES

NHTSA's summary

TSB: Hood Latch Assembly, Retrofit

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

Body and frame, Latches and locks

Vehicles listed
MACK ANTHEM (AN)2016 to 2017
MACK ANTHEM (AN)2018, 2019, 2020, 2021, 2022, 2023, 2024 (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.

Recalls for the same vehicles and component
20205512020-11-12. Structure

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CBR 2575-1 2026042026-05-05. Service bulletin. CBR - Mack Chassis - Dash Panel Cracking at Mounting to BIW.
CBR 2432-2 2026012026-02-03. Service bulletin. CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.
S4548 2025062025-07-01. Service campaign. Mack Trucks has determined that certain model year 2020 to 2022 Anthem trucks could experience excessive wear on the hood latch pins causing the hood to rattle during normal vehicle operation.
CBR-2384 2024072024-08-01. Service bulletin. CBR: Mack Chassis - Day Cab Glass Breakage
CBR-2384 2024062024-07-03. Service bulletin. CBR - Mack Chassis - Day Cab Glass Breakage
CBR-2016 2024012024-02-02. Service bulletin. CBR: Frame Or Cab Lean
M0230-Ver22023-06-05. Service bulletin. Emission Campaign: Vehicle Emission Label
S76472022-07-06. Service bulletin. Passenger Seat Armrest Missing
FSB 821-0272022-02-06. Service bulletin. Hood Latch Assembly, Retrofit
KC-4262022-02-04. Service bulletin. Mack Chassis - Anthem (AN) - Hood Mounted Mirror Repair; Mirror Covers Loose, Rattling, Vibrating