Mack Terrapro recalls
- Mack steering gearbox fasteners may loosen. 2025 Mack Terrapro
- Mack engine control unit (ECU) software may allow the engine to start when the transmission is not in Neutral. 2022 Mack Terrapro
- Mack vehicles are missing the anti-lock brake (ABS) warning light and circuitry that controls the anti-lock brake function for an attached trailer. 2010–2019 Mack Mru, Terrapro
- Mack electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working. 2020–2025 Mack Anthem, Granite, Pinnacle +2 more
- Mack gross Axle Weight Rating (gawr) listed on the vehicle certification label is incorrect, which can allow the vehicle to be overloaded. 2024 Mack MD, Terrapro
- Mack steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of steering control. 2024 Mack Anthem, Pinnacle, Terrapro
- Mack engine may not return to idle within 2 seconds if the accelerator pedal position sensor becomes disconnected. 2023 Mack Anthem, Granite, LR +1 more
- Mack rear lifting bracket that attaches to the engine cylinder head may be insufficiently secured, which can allow it to detach. 2024 Mack Granite, Terrapro
- Mack steering gears may have been assembled incorrectly, which can cause the gear to fracture. 2021–2022 Mack Anthem, Granite, LR +3 more
- Mack brake control valve air leak into the attached exhaust hose can create excessive back pressure, causing the parking brake to release unexpectedly. 2008–2019 Mack Mru, Te, Terrapro
- Mack alternator cable may be insufficiently thick to handle the current, and, as a result, may overheat. 2011–2015 Mack LR, Terrapro
- Mack affected trucks may be missing a roll pin to secure the upper steering yoke to the steering shaft. 2016 Mack Granite, Terrapro
- Mack cap nut that retains the interaxle driveshaft yoke to the rear axle input shaft may loosen. 2012–2015 Mack Granite, LR, Pinnacle +2 more
- Mack affected trucks have engines with a turbocharger oil supply line that may contact or interfere with the turbocharger inlet elbow, clean air intake clamp, or the air fuel control tube, and result in an oil leak. 2010 Mack Granite, LR, Terrapro