Service bulletins for the 2022 Mack MD
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.
114 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Wheels are shown. Show all
| M-773-005a | 2023-05-03. Service bulletin. WHEELS. TSB: Hub Cap, Leaking |
|---|---|
| M-773-005 | 2023-04-04. Service bulletin. WHEELS. New TSB- Hub cap leaking |
| KC-633 | 2022-06-07. Service bulletin. WHEELS. Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines - Commonly Model Year 2008 And Newer |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.