- The problem
- 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.
- The risk
- A failure of the hazard warning lights could reduce the trucks visibility, increasing the risk of a crash.
- The fix
- 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.
Vehicle safety record
2010 Mack GU Problems, complaints & recalls
Owners have filed 1 complaint about the 2010 Mack GU with NHTSA, most often about the engine & cooling (1) and the acceleration & cruise control (1). It is covered by 4 recalls, the latest in April 2014 for the flasher unit. For comparison, the 2009 has 1 and the 2011 has 0.
NHTSA data checked
FFar more problems than a typical GU year, for its age
#373 most complained-about 2010 vehicle
- Complaints
- 1
- Recalls
- 4
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Most common 2010 Mack GU problems
Share of all 1 complaints. One complaint can name more than one area. Tap an area for its complaints and recalls.
2010 Mack GU recalls 4
Recall repairs are free. Your dealer fixes them whether or not you bought the car there - check your VIN at nhtsa.gov/recalls to see if yours is done. What to do
- The problem
- 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.
- The risk
- Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
- The fix
- 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.
- The problem
- 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.
- The risk
- A SHORT CAN POTENTIALLY CAUSE A VEHICLE FIRE.
- The fix
- 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.
- The problem
- 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."
- The risk
- If the brakes do not perform as they should, a vehicle crash could occur.
- The fix
- 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.
What owners say
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1 complaints about the 2010 Mack GU
Newest first, as filed with NHTSA by owners.
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 was repaired. The manufacturer was not made aware of the failure. The failure and current mileage was 9,015. Updated...
Read the full complaint
05/12/14*lj the consumer stated while in operation, the unit was abnormally hard to maintain. When he proceeded from a stop, the throttle was above idle. The consumer was informed the throttle was defective.
Mack GU: every year compared
All GU years2010 Mack GU vs rivals
| Vehicle | Complaints | Recalls | Grade | |
|---|---|---|---|---|
| 2010 Mack GU | 1 | 4 | F | |
| 2010 Mack CXU612 | 6 | 0 | - | Compare |
| 2010 Mack Cxu | 1 | 7 | F | Compare |
More sales usually means more complaints, so compare similar vehicles of the same year. The grade compares each vehicle with its own model's other years.
Questions about the 2010 Mack GU
Does the 2010 Mack GU have any recalls?
Yes - NHTSA lists 4 recalls for the 2010 Mack GU: flasher unit (April 2014); electrical system (February 2014); cables (May 2011); service brakes, air (September 2010). Recall repairs are free at any authorized dealer. Enter your VIN at nhtsa.gov/recalls to see whether yours has been fixed.
What are the most common problems with the 2010 Mack GU?
By the complaints owners filed with NHTSA, the most common problem areas are the engine & cooling (1), acceleration & cruise control (1).
How many complaints has the 2010 Mack GU had?
1 complaints have been filed with NHTSA, the first on March 5, 2014 and the latest on March 5, 2014. Of these, 0 describe a crash and 0 a fire, and together they report 0 injuries and 0 deaths.
Is the 2010 Mack GU a reliable vehicle?
Its Safety Index is 24 out of 100 (grade F: far more problems than a typical Mack GU year, for its age). The index weighs complaints, crashes, fires, injuries, deaths and recalls against how long the vehicle has been on the road, compared with the same model's other years. It is not a measure of every repair - read the complaints and owner experiences, and have any used vehicle inspected before you buy.
Which Mack GU years have the most complaints?
2009 (1), 2010 (1), 2013 (1). See every Mack GU year compared.
What should I do if my 2010 Mack GU has a problem?
If it is a safety problem, stop driving it if it is unsafe and contact your dealer. Report it to NHTSA at nhtsa.gov/report-a-safety-problem - enough reports start investigations and recalls - and share your experience here so other owners know what to look for.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data