2024 Mack LR
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
Have the VIN?
These records cover every 2024 Mack LR. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
6 recalls name the 2024 Mack LR. Newest first.
Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 LR natural gas vehicles. The methane detector may be inoperative due to a missing fuse.
Risk and remedy
Risk
An inoperative methane detector can fail to detect a gas leak, increasing the risk of a fire or injury.
Remedy
Dealers will install a fuse, free of charge. Owner notification letters were mailed April 10, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0461.
Mack Trucks, Inc. (Mack) is recalling certain 2023-2024 GR, AN, LR, and Terrapro vehicles. The engine may not return to idle within 2 seconds if the accelerator pedal position sensor becomes disconnected. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 124, "Accelerator Control Systems."
Risk and remedy
Risk
An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
Remedy
Mack will replace the throttle pedal and update the vehicle software, free of charge. Owner letters were mailed February 27, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0455.
Mack Trucks, Inc. (Mack) is recalling certain 2024 LR vehicles. The fasteners that connect the power steering assist cylinder to steering arm may be loose or missing.
Risk and remedy
Risk
The power steering assist cylinder may separate from the steering arm, causing a loss of vehicle control and increasing the risk of a crash.
Remedy
Owners are advised not to drive their vehicles until the repair has been performed. Dealers will inspect and tighten the steering gear fasteners and install a new cotter pin, free of charge. Owner notification letters are expected to be mailed December 15, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0451.
Mack Trucks, Inc. (Mack) is recalling certain 2024 LR garbage trucks. The reinforcing floor welds may be missing from around the passenger seat pedestal, reducing floor strength.
Risk and remedy
Risk
The pedestal may buckle during a crash, preventing the passenger seat from properly restraining a passenger.
Remedy
Dealers will inspect and add welds as necessary, replace the missing floor welds, free of charge. Owner notification letters were mailed September 12, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0446.
Mack Trucks, Inc. (Mack) is recalling certain 2023-2024 LR garbage trucks. The wiper arm retention nuts may be loose, stripping, and causing the windshield wipers to fail.
Risk and remedy
Risk
Inoperative windshield wipers can reduce visibility, increasing the risk of a crash.
Remedy
Dealers will inspect, tighten the retention nuts, and replace the windshield wiper arms as necessary, free of charge. Owner notification letters were mailed August 22, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0445.
Mack Trucks, Inc. (Mack) is recalling certain 2024 LR electric garbage trucks, equipped with electric horns. The circuit connecting the horn button to the horn is missing, making the horn inoperative.
Risk and remedy
Risk
A vehicle with an inoperative horn cannot alert other drivers, increasing the risk of a crash.
Remedy
Dealers will add the necessary circuits to connect the horn button to the horn, free of charge. Owner notification letters were mailed June 20, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC443.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 11010857Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring.
- 11010820CBR - 11L Engine block compatibility and Backward Conversion Parts Requirements
- 11009705CBR - Mack Chassis - Timing Gear Plate Repair
- 11008392Service Campaign: TGW3 Non-Communication
- 11008379CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F
- 11008377CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
- 11008374CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024
- 11008368CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the parameter YYT is set to "Enable" with Premium Tech Tool.
- 11008366CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
- 11006927CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
- 11006925CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
- 11006924CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)
- 11006860Service Campaign: Mack trucks has determined that certain AN, GR, PI, TE, and LR model trucks built with TGW3 have stopped communicating after production.
- 11005410CBR: Telematics Gateway (TGW) Connect Ability Issues
- 11003042CBR - Accelerator Pedal: Inspection Instructions
- 11002843CBR - Brake Caliper Concerns And Premature Brake Pad Wear - Model Year 2023 - 2024
- 11000831CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue.
- 10253810CBR: Diagnostic Trouble Code (DTC) P107471 -AMT-F
- 10253807CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
- 10253804CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
- 10253784Fleet Improvement Campaign: Tunnel Radiator Replacement
- 10253778Service Campaign: OTA Premature Oil Service Pop-up
- 10252308CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head.
- 10251335Service Campaign - MMD Suspension Bracket Torque.
- 10251333CBR -Telematics Gateway (TGW) Connect Ability Issues
- 10251331CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
- 10251329CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
- 10251328CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
- 10249558Service Campaign: LR Power Steering Assist Cylinder Castle Nut Torque
- 10249553CBR: TGW Will Not Connect After SIM Card Replacement
- 10249552CBR: Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
- 10248105CBR: The purpose of this solution is to give information on Engine Control Module (EMS) Software content. This document lists issues or problems (DTCs, Fault Codes) mitigated or resolved in specific EMS software.
- 10248101CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line.
- 10246086TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft.
- 10244808CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster
- 10243453TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
- 10240233CBR: Battery Electric Vehicle (BEV) - Hybrid Powertrain Control Unit (HPCU) Programing
- 10240232CBR: Battery Electric Vehicle (BEV) - Diagnostic Trouble Code (DTC) Troubleshooting Ending In No Fault Found
- 10240231CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
- 10240202CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
Every Mack LR model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.