https://plaincars.com/make/mack-gu New NHTSA complaints and recalls filed for the Mack GU. en-us Sun, 18 Oct 2026 06:35:45 GMT https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1807554 Fri, 15 Apr 2022 00:00:00 GMT Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back on https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1807555 Fri, 15 Apr 2022 00:00:00 GMT Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back on https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1807556 Fri, 15 Apr 2022 00:00:00 GMT Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back on https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1727347 Tue, 16 Feb 2021 00:00:00 GMT THE DRIVE SHAFT OF THIS TRUCK FELL OFF ON NORTHBOUND I-95 WHILE IT WAS DRIVING.*DT*JB https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1500275 Tue, 18 Sep 2018 00:00:00 GMT VEHICLE HAVING ELECTRICAL ISSUES, LIGHTS AND RADIO SHUTTING OFF AND EXHAUST ENGINE BREAK WORKING INTERMITTENTLY. HOOKED UP AND MOSTLY DATA LINK CODES. IC CLUSTER LIGHTS FLASH ON AND OFF WHILE HOOKED UP. FOUND ENGINE ECM FULL OF OIL ON BOTH A AND B CONNECTORS. OIL LEVEL SENSOR IS LEAKING WIC KING OIL UP TO ECM. WILL NEED ECM,HARNESS,OIL LEVEL, OIL PRESSURE SENSORS AND EGR VENTURI FRONT CAB MOUNTS https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1336428 Mon, 28 Nov 2016 00:00:00 GMT TL* THE CONTACT OWNS A 2015 MACK GU 713. THE CONTACT RECEIVED NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 16V099000 (POWER TRAIN). THE PART FOR THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. PARTS DISTRIBUTION DISCONNECT. https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1310778 Tue, 23 Aug 2016 00:00:00 GMT TL* THE CONTACT OWNS A 2013 MACK GU713. THE CONTACT RECEIVED NOTIFICATION OF A MANUFACTURER RECALL PERTAINING TO THE STRUCTURE OF THE VEHICLE. THE DEALER WAS UNABLE TO SCHEDULE A REPAIR WITHIN A REASONABLE TIME FRAME. THE CONTACT ALSO MADE SEVERAL ATTEMPTS TO REACH THE MANUFACTURER TO DETERMINE WHEN THE REMEDY AND PARTS WOULD BECOME AVAILABLE. THE NHTSA CAMPAIGN NUMBER WAS NOT PROVIDED. THE CONTAC https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-14V208000-mack-mack-gu-2010 Fri, 18 Apr 2014 00:00:00 GMT Mack Trucks Inc. (Mack) is recalling certain model year 2010-2014 CHU, CXU, and MRU, 2007 CT and CV, 2008-2014 GU, and 2011-2014 LEU, and TD trucks manufactured February 28, 2006, through November 8, 2013, and equipped Hamsar Electronic Flasher. The hazard warning lights may fail. https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-14V208000-mack-mack-gu-2009 Fri, 18 Apr 2014 00:00:00 GMT Mack Trucks Inc. (Mack) is recalling certain model year 2010-2014 CHU, CXU, and MRU, 2007 CT and CV, 2008-2014 GU, and 2011-2014 LEU, and TD trucks manufactured February 28, 2006, through November 8, 2013, and equipped Hamsar Electronic Flasher. The hazard warning lights may fail. https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1043097 Wed, 05 Mar 2014 00:00:00 GMT TL* THE CONTACT OWNS A 2010 MACK TRUCK GU712. THE DRIVER WAS TRAVELING 30 MPH AND ATTEMPTED TO DECELERATE WHEN THE VEHICLE SUDDENLY ACCELERATED. THE DRIVER WAS ABLE TO APPLY THE BRAKES AND MAINTAIN CONTROL OF THE VEHICLE. THE ENGINE RPMS INCREASED 12000-17000, AND CONTINUED TO INCREASE WHEN THE ENGINE WAS SHUT OFF. THE CERTIFIED MECHANIC INSPECTED THE TRUCK AND REPLACED THE THROTTLE. THE VEHICLE W https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#complaint-1043098 Wed, 05 Mar 2014 00:00:00 GMT TL* THE CONTACT OWNS A 2010 MACK TRUCK GU712. THE DRIVER WAS TRAVELING 30 MPH AND ATTEMPTED TO DECELERATE WHEN THE VEHICLE SUDDENLY ACCELERATED. THE DRIVER WAS ABLE TO APPLY THE BRAKES AND MAINTAIN CONTROL OF THE VEHICLE. THE ENGINE RPMS INCREASED 12000-17000, AND CONTINUED TO INCREASE WHEN THE ENGINE WAS SHUT OFF. THE CERTIFIED MECHANIC INSPECTED THE TRUCK AND REPLACED THE THROTTLE. THE VEHICLE W https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-14V078000-mack-mack-gu-2010 Fri, 21 Feb 2014 00:00:00 GMT Mack Trucks, Inc. (Mack) notified the agency on February 20, 2014, that they are recalling certain model year 2010-2012 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. While continuing to research the scope of the issue, Mack expanded the recall on November 18, 2014 to include certain model year 2008-2009 and 2013-2014 CHU, CXU, GU and TD vehicles manufactured https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-14V078000-mack-mack-gu-2009 Fri, 21 Feb 2014 00:00:00 GMT Mack Trucks, Inc. (Mack) notified the agency on February 20, 2014, that they are recalling certain model year 2010-2012 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. While continuing to research the scope of the issue, Mack expanded the recall on November 18, 2014 to include certain model year 2008-2009 and 2013-2014 CHU, CXU, GU and TD vehicles manufactured https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-12V519000-mack-mack-gu-2009 Thu, 18 Oct 2012 00:00:00 GMT Mack Trucks is recalling certain model year 2008-2009 GU, LEU, and MRU trucks, manufactured from December 12, 2007, through May 8, 2008 and equipped with a certain focal mounted retarder control box. The control box may lose its electrical ground. https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-11V292000-mack-mack-gu-2010 Fri, 20 May 2011 00:00:00 GMT MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2011 GU HEAVY TRUCKS MANUFACTURED FROM SEPTEMBER 12, 2007, THROUGH APRIL 8, 2011, WITH A FOUR BATTERY CABLE DESIGN. AS A RESULT OF THE ROUTING AND CLIPPING USED, THE BATTERY CABLES MAY COME INTO CONTACT WITH FRAME HARDWARE, WHICH, AS A RESULT OF CHAFING, MAY CAUSE THE INSULATION TO BECOME WORN TO A POINT WHERE A SHORT OCCURS. https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-11V292000-mack-mack-gu-2009 Fri, 20 May 2011 00:00:00 GMT MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008-2011 GU HEAVY TRUCKS MANUFACTURED FROM SEPTEMBER 12, 2007, THROUGH APRIL 8, 2011, WITH A FOUR BATTERY CABLE DESIGN. AS A RESULT OF THE ROUTING AND CLIPPING USED, THE BATTERY CABLES MAY COME INTO CONTACT WITH FRAME HARDWARE, WHICH, AS A RESULT OF CHAFING, MAY CAUSE THE INSULATION TO BECOME WORN TO A POINT WHERE A SHORT OCCURS. https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-10V404000-mack-mack-gu-2010 Tue, 07 Sep 2010 00:00:00 GMT MACK IS RECALLING CERTAIN MODEL YEAR 2008 THROUGH 2011 GU AND MRU MODEL VEHICLES MANUFACTURED WITH A FRONT TOW GLAD HAND OPTION. THE ACTUATION AND RELEASE TIMING OF THE VEHICLES EXCEEDS THE LIMIT WHICH FAILS TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-10V404000-mack-mack-gu-2009 Tue, 07 Sep 2010 00:00:00 GMT MACK IS RECALLING CERTAIN MODEL YEAR 2008 THROUGH 2011 GU AND MRU MODEL VEHICLES MANUFACTURED WITH A FRONT TOW GLAD HAND OPTION. THE ACTUATION AND RELEASE TIMING OF THE VEHICLES EXCEEDS THE LIMIT WHICH FAILS TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-08V331000-mack-mack-gu-2009 Wed, 23 Jul 2008 00:00:00 GMT MACK IS RECALLING CERTAIN MY 2009 TRUCKS EQUIPPED WITH HELLA HEADLAMPS FOR FAILING TO COMPLY WITH THE PHOTOMETRIC OUTPUT REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE HEADLAMP'S BULB SHIELD MAY NOT HAVE BEEN COMPLETELY SEATED INTO THE HEADLAMP'S REFLECTOR. https://plaincars.com/make/mack-gu https://plaincars.com/make/mack-gu#recall-08V177000-mack-mack-gu-2009 Thu, 17 Apr 2008 00:00:00 GMT MACK IS RECALLING 66 MY 2009 GU TRUCKS EQUIPPED WITH BENDIX MV-3 DASH CONTROL VALVES. THE MOLDED VALVE BODY HAS AN INCORRECT CORE PIN IN THE INJECTION MOLD CAUSING THE VALVE BODY TO BE OVERSIZED IN THE DOUBLE CHECK VALVE AREA. THIS CONDITION CAN ALLOW THE RUBBER DOUBLE CHECK VALVE TO BECOME LODGED IN THE BODY OPENING UNDER CERTAIN CIRCUMSTANCES.