AI Damage2024 Mack LR: common problems
The maker issued 80 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 80
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 26 |
| Engine and cooling | 0 | 0 | 17 |
| Powertrain | 0 | 0 | 17 |
| Engine | 0 | 0 | 13 |
| Suspension | 0 | 0 | 6 |
| Fuel/propulsion system | 0 | 0 | 5 |
| Service brakes | 0 | 0 | 4 |
| Steering | 0 | 0 | 4 |
| Equipment | 0 | 0 | 2 |
| Wheels | 0 | 0 | 2 |
| Fuel system | 0 | 0 | 1 |
| Vehicle speed control | 0 | 0 | 1 |
| Other | 0 | 0 | 2 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86…
The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle.
- SC - Trunion Nut Pinch Bolt
- CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers
- CBR - Mack Carrier Nut Adhesive Change
- CBR - No Start Condition After Over the Air Programing
- SC - Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure…
SC - Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.
- CBR - Mack Chassis - Model LR - Linear Assist Cylinder Repair
- CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT…
CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
- CBR - Mack Temperature Sensor Troubleshooting Guide
- CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job…
CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.
- CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded
- CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office…
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
NHTSA lists 80 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2024 Mack LR?
There are no owner complaints in the NHTSA data for this year; the data comes from 80 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2024 Mack LR?
NHTSA lists 80 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2024 Mack LR from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2024 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.