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2010 Mack GUProblems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2010 Mack GU, most often about the engine. It is covered by 4 safety recalls, and for recall 14V-078 the manufacturer reports only 54% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls4Lowest repair rate 54%Owner complaints10 with a crash, fire or injuryTypical failure mileage9kEngine, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through April 18, 2014. Updated daily.

Complaints by system

Where the 2010 Mack GU has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine10
Vehicle speed control10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

4 recalls

2010 Mack GU recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

77%repaired · 2015 Q4

Turn signal: flasher unit

Recall 14V-208 · Apr 18, 2014 · 44,047 vehicles · 33,754 repaired

Risk. A failure of the hazard warning lights could reduce the trucks visibility, increasing the risk of a crash.

Problem, fix and repair progress →

54%repaired · 2015 Q3

Electrical system

Recall 14V-078 · Feb 21, 2014 · 70,208 vehicles · 37,850 repaired

Risk. Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mack.

Best & worst years

2010 vs. every other GU year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GU median. How we score

'07'08'09'10'11'13'14'15'18
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What GU owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

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…
Complaint 10567416 · Mar 5, 2014 · 9,015 miles

Own a 2010 GU?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.