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.
By type
By component
By trouble code
| S7509 | 2020-07-06. Service bulletin. FUEL SYSTEM, GASOLINE. Secondary Fuel Filter replacement |
|---|---|
| S7495 | 2020-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Coolant Drain Line |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.