Mack Mru recalls
- 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 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 excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to come into contact with hot surfaces. 2011–2015 Mack LR6, Leu, Mru
- Mack hazard warning lights may fail. 2007–2012 Mack CT, CV, Chu +7 more
- Mack condensation in the intake manifold may freeze during cold weather conditions and interfere with the proper operation of the intake manifold pressure sensor. 2010–2014 Mack Leu, Mru, Pinnacle
- Mack when the button is pressed to release the seat belt, the latch plate can become partially engaged with the buckle, making the seat belt difficult to unlatch. 2014 Mack Mru, Pinnacle
- Mack pro-torque nut may not have been installed correctly, which may result in a loosening of the nut. 2013 Mack Chu, Granite, Leu +2 more
- Mack clevis pin for the brake slack adjuster may be missing a cotter pin. 2013 Mack Chu, Granite, Leu +2 more
- Mack control box may lose its electrical ground. 2008–2009 Mack Gu, Leu, Mru
- Mack on these vehicles the alternator ground cable runs directly to the starter, which defeats the circuit protection. 2010–2011 Mack Leu, Mru
- Mack official notice describes a safety defect, but the details were not provided in plain language. 2009–2010 Mack Leu, Mru
- Mack bolts used to mount the steering gear were not tightened to specification. 2009 Mack Mru
- Mack tubing used to assemble the affected drivelines has a nonconforming seam weld with insufficient bonding of the material. 2012 Mack Granite, Leu, Mru +2 more
- Mack due to an incomplete "knitting" of the iron at the time of casting, inadequate structural integrity of the slack adjuster housing can occur, which could cause the housing to break at the handle under normal operating loads. 2011–2012 Mack Granite, Gu, Leu +2 more
- Mack electrical circuitry in these vehicles may not provide adequate overcurrent protection. 2008 Mack Leu, Mru
- Mack actuation and release timing of the vehicles exceeds the limit which fails to conform to the requirements of federal motor vehicle safety standard no. 2008 Mack Gu, Mru