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2007 Hummer H3
Problems & Complaints
Worst 2007 Hummer H3 Problems by Category
Click on a category below for details. Help?
- engine problems
- cooling system problems
- transmission problems
- electrical problems
- suspension problems
- windows / windshield problems
- interior accessories problems
- lights problems
- AC / heater problems
- exterior accessories problems
- miscellaneous problems
- brakes problems
- body / paint problems
- seat belts / air bags problems
- drivetrain problems
- fuel system problems
- steering problems
- wheels / hubs problems
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Compare Hummer H3 Model Years
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Check out our Hummer H3 overview to see the most problematic years, worst problems and most recently reported complaints with the H3.
Worst 2007 Hummer H3 Problems
-
#1: Leaking Radiator 2007 H3
- Average Cost to Fix:
- $500
- Average Mileage:
- 80,000 mi
-
#2: Broken Valve 2007 H3
- Average Cost to Fix:
- $6,500
- Average Mileage:
- 61,000 mi
-
#3: Transmission Failure 2007 H3
- Average Cost to Fix:
- $1,400
- Average Mileage:
- 127,000 mi