Service bulletins for the 2021 Mack Anthem
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.
227 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with type: Service campaign are shown. Show all
| S4548 202506 | 2025-07-01. Service campaign. STRUCTURE:BODY; UNKNOWN OR OTHER. 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. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.