Service bulletins for the 2021 Mack Terrapro
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.
133 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Labels and manuals are shown. Show all
| M-170-003 | 2023-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: Vibration Diagnostics |
|---|---|
| M-170-001 | 2023-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: Stock Vehicle Storage and Maintenance |
| M-170-002 | 2023-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.