2011 MACK GU Complaints and Recall Information
The 2011 MACK GU has 0 complaints and 5 recalls filed with NHTSA. Owners most frequently report issues related to vehicle safety and electrical systems. The recalls affect various systems including brakes, electrical components, and exterior lighting.
There are five recalls addressing different vehicle components and safety concerns. The affected systems include air brakes, slack adjusters, battery cables, electronic power distribution modules, and turn signal flasher units.
Recalls- Service brakes, air. NHTSA recall 10V404000 affects 369 vehicles. Certain 2008-2011 GU models with front tow glad hand option have actuation and release timing that exceeds safety limits, failing to meet Federal Motor Vehicle Safety Standard No. 121. This may cause brake malfunction and risk of crash. Mack will notify owners and perform repairs free of charge.
- Automatic slack adjusters. Recall 11V272000 covers 1,524 2011-2012 GU and similar models with Gunite automatic slack adjusters. The casting process may cause incomplete structural integrity, resulting in housing breaks under normal load, risking brake loss and crashes. Mack will replace defective slack adjusters at no cost.
- Battery cables. Recall 11V292000 involves 771 2008-2011 GU trucks with four battery cable design. Improper cable routing and clipping may cause insulation chafing and shorts, potentially leading to vehicle fires. Dealers will re-route or replace cables free of charge.
- Electronic power distribution module (EPDM). Recall 14V078000 affects 70,208 2007-2015 CHU, CXU, GU, and TD models. Water leaks around the windshield may contaminate the EPDM with road salts causing electrical shorts and increasing fire risk. Dealers will inspect, replace contaminated modules, and fix leaks at no cost.
- Turn signal flasher unit. Recall 14V208000 includes 44,047 trucks from model years 2007-2014 with Hamsar Electronic Flashers. Hazard warning lights may fail, reducing vehicle visibility and increasing crash risk. Mack will replace the flasher units free of charge.
Owners facing repeated repairs, unresolved recall issues, or safety defects should consider reviewing their rights under state lemon laws. Legal consultation may help determine available remedies.
2011 MACK GU Summary
2011
Model Year
0
Total Complaints
5
Total Recalls
116919
Vehicles Affected
Recalls
2011 MACK GU
44047 vehicles affected
EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT
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.
Risk: A failure of the hazard warning lights could reduce the trucks visibility, increasing the risk of a crash.
2011 MACK GU
70208 vehicles affected
ELECTRICAL SYSTEM
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 from June 16, 2009, through July 8, 2011. Having completed its investigation, Mack once again expanded the recall during February 2015 to include an additional 53,780 vehicles from model years 2007 and 2015. The recall now covers model year 2007-2015 includes CHU, CXU, GU and TD vehicles produced October 13, 2006, through October 3, 2014. In the affected vehicles, the Electronic Power Distribution Module (EPDM) may be contaminated from water leaks in, and around, the windshield. If exposed to water leaks, contaminants such as road salts may deposit on the EPDM.
Risk: Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
2011 MACK GU
771 vehicles affected
ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
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.
Risk: A SHORT CAN POTENTIALLY CAUSE A VEHICLE FIRE.
2011 MACK GU
1524 vehicles affected
SERVICE BRAKES, AIR:SLACK ADJUSTERS:AUTOMATIC
MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2011-2012 CHU, CXU, GU, LEU AND MRU TRUCKS MANUFACTURED FROM OCTOBER 15, 2010, THROUGH JANUARY 31, 2011, AND EQUIPPED WITH GUNITE AUTOMATIC SLACK ADJUSTERS. 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.
Risk: SLACK ADJUSTERS WITH THIS FLOW NOTCH COULD CRACK UNDER NORMAL BRAKING CONDITIONS CAUSING LOSS OF BRAKING WHICH COULD RESULT IN A VEHICLE CRASH.
2011 MACK GU
369 vehicles affected
SERVICE BRAKES, AIR
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."
Risk: IF THE BRAKES DO NOT PERFORM AS THEY SHOULD, A VEHICLE CRASH COULD OCCUR.
Complaints
No complaints found.