Service bulletins for the 2024 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.
80 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| KC-2263-Ver5 | 2023-06-05. Service bulletin. ENGINE AND ENGINE COOLING. CBR: Timing Gear Plate Repair. This solution provides supplementary information to be used when installing a Timing Gear Plate with Integrated Seal. |
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| KC-2273-Rev6 | 2023-06-05. Service bulletin. WHEELS; SUSPENSION; POWER TRAIN. CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI). |
| M-773-005a | 2023-05-03. Service bulletin. WHEELS. TSB: Hub Cap, Leaking |
| KC-2264 | 2023-05-03. Service bulletin. ELECTRICAL SYSTEM. CBR: Mack Chassis - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR,TE,LR Models - Non-Split/Drop Box PTO |
| KC-2272 | 2023-05-03. Service bulletin. ENGINE AND ENGINE COOLING. CBR: Diagnostic Trouble Code (DTC) P008A - Low Pressure Fuel System Pressure - Too Low |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.