Service bulletins for the 2021 Mack LR
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.
163 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Body and frame are shown. Show all
| KC-2244 | 2023-03-07. Service bulletin. STRUCTURE:FRAME AND MEMBERS; SUSPENSION. Mack Model TE,LR - Frame Over Height |
|---|---|
| S7552 | 2021-02-01. Service bulletin. EQUIPMENT:OTHER:LABELS; STRUCTURE:BODY:DOOR. Incorrect Data on Door Label Set |
| FSB 810-004 | 2020-08-05. Service bulletin. STRUCTURE. Back of Cab Crack, Repair |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.