Service bulletins for the 2020 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.
177 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Steering are shown. Show all
| CBR 2515-1 102025 | 2025-11-03. Service bulletin. STEERING. CBR - Hard Steering Due to Steering Column Miter Box Corrosion – Inspection and Replacement Procedure |
|---|---|
| S7643 | 2022-05-05. Service bulletin. STEERING. Steering Shaft at Miter Box, Inspection |
| S7580 | 2021-05-04. Service bulletin. STEERING. V Stay Apex Housing Premature Failure |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.