2011 Mack Gu
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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These records cover every 2011 Mack Gu. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
5 recalls name the 2011 Mack Gu. Newest first.
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 and remedy
Risk
A failure of the hazard warning lights could reduce the trucks visibility, increasing the risk of a crash.
Remedy
Mack will notify owners, and dealers will replace the electronic flasher unit, free of charge. The recall will begin by mid-June 2014. Interim letters went out to owners on June 23, 2014. The recall began on July 25, 2014. Owners may contact Mack customer service at 1-866-298-6586. Mack's number for this recall is SC0379.
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…
Risk and remedy
Risk
Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
Remedy
Mack has notified owners, and dealers will inspect the EPDM. If contamination has occurred, dealers will replace the EPDM and address the leak, free of charge. Owners of model year 2010-2012 CHU, CXU, GU and TD vehicles were initially notified April 24, 2014. Owners affected by the recall expansions were notified in February 2015. Owners may contact Mack Trucks at 1-336-393-2000. Mack's number for this recall is SC0375.
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…
Risk and remedy
Risk
A short can potentially cause a vehicle fire.
Remedy
Dealers will re-route the battery cables and replace the cables if chafing has occurred. this service will be performed free of charge. the safety recall began on july 11, 2011. owners may contact mack trucks at 1-800-866-1177.
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…
Risk and remedy
Risk
Slack adjusters with this flow notch could crack under normal braking conditions causing loss of braking which could result in a vehicle crash.
Remedy
Mack trucks will notify owners and dealers will replace the subject slack adjusters free of charge. the safety recall began on august 24, 2011. owners may contact mack trucks at 1-800-528-6586.
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 and remedy
Risk
If the brakes do not perform as they should, a vehicle crash could occur.
Remedy
Mack will notify owners and repair the vehicle free of charge. the safety recall began on february 1, 2011. owners may contact mack at 1-877-800-4945.
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.
- 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.
- 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.
- 10241946TSB: Barksdale Leveling Valve, Leak Test
- 10241945TSB: Air Restriction Indicator
- 10237374Service Literature Published and Released in May, 2023
- 10237342CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
- 10237339CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns ( FI, PI ) And Recalls ( EC, SC ), Location On Trucks Dealer Portal ( TDP )
- 10235490TSB: Vibration Diagnostics
- 10235489TSB: Stock Vehicle Storage and Maintenance
- 10232599Flywheel Housing Thread Repair
- 102286302007 document reformatted to be published as a TSB in Impact. Lateral cab movement bracket.
- 102226442008 Document reformatted to be published as a TSB in Impact. Air suspension ride height.
- 102226412008 Document reformatted to be published as a TSB in Impact. Two-Piece clutch brake.
- 102226402008 Document reformatted to be published as a TSB in Impact. Grille bar, replacment.
- 102226302008 Document reformatted to be published as a TSB in Impact. HVAC fine particulate filter.
- 102226212008 Document reformatted to be published as a TSB in Impact. Loose oil filter spud.
- 102226202008 Document reformatted to be published as a TSB in Impact. Cooling system connections.
- 102226152008 Document reformatted to be published as a TSB in Impact. Paint protection.
- 102226142008 Document reformated to be published as a TSB in Impact. Torque rod interference.
- 102226132008 Document reformated to be published as a TSB in Impact. Field repair for installing the grill.
- 102226102008 Document reformated to be published as a TSB in Impact. Revised battery ti battery cable
- 10222608TSB-Charge Air Cooler t-clamp install.
- 102191352009 Document reformatted to be published as a TSB in Impact. Turbo Actuator Connector Repair.
- 102190822009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles
- 102153562008 document reformatted to be published as a TSB in Impact. Fan Ring clearance for GU Model Truck.
- 10215315Programming Failure - Chassis With Cummins Engine And An Allison Transmission
- 10215314NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.
- 10215312(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
- 10215307Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
- 10215305DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.
- 10215295Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N.
- 10215291Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions,
- 10215289Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1
- 10215287US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
- 10215286Vehicles Equipped With An Automated Manual Transmission Model D or F ( 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.
- 10213658Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
- 10213652Low Oil Pressure Diagnostic Process For 11 Liter Engines
Every Mack Gu model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.