This page covers 2 recalls and EPA fuel economy for the 2010 Hummer H3.
14–16 mpg combined
14.7–16.8 L/100km
Sport Utility Vehicle - 4WD
Fuel economy data from fueleconomy.gov (EPA / U.S. Dept. of Energy). Annual cost based on 15,000 mi/yr at 55% city driving and current fuel prices. MPG is U.S. gallons; L/100km converted. Ranges reflect the 3 tested variants for this model year.
The 2010 HUMMER H3 has 2 recalls, the most serious being an HVAC blower motor connector that can overheat and start a fire.
The second recall involves the decorative louver panel on the hood, where the plastic clip-tabs that hold it in place can fracture. If the early rattling goes unnoticed and more clips break, the louver can detach from the hood while driving and strike a vehicle behind it.
At a glance
What can fail
The connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat.
What the fix does
Dealers will replace part of the blower motor connector and harness at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
The clips holding the hood louver may crack, causing the louver to rattle and loosen. If cracks go unnoticed, more clips can break and the louver may detach completely.
What the fix does
Dealers will apply adhesive to secure the hood louver to the hood.
Summarized — see the official notice for exact wording, dates, and contacts.
