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2007 Hummer H3 repairs by problem area

Engine (32%)

Transmission and Drivetrain (17%)

Brakes and Traction Control (12%)

Suspension and Steering (11%)

Electrical and Air Conditioning (20%)

Paint, Rust, Leaks, Rattles, and Trim (6%)

Other (2%)

Chart based on 65 repairs.

2007 Hummer H3 repair cost distribution

$2500+ (10%)

$1000 - $2499 (7%)

$500 - $999 (30%)

$100 - $499 (50%)

< $100 (3%)

Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2007 Hummer H3 repair histories. Log in or join us to see them all.

2007 Hummer H3

Engine not specified

Hummer H3 in Florida, United States
Nov 2010 - Jun 2011
Dec 2010

47000 mi
Driver door switch was corroded "doors" DIC would not turn off nor would interior lights extinguish. removed door switch, cleaned contacts and coated with a light coat of WD-40. Works perfectly now. Took 1 hr and checked all doors. 

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2007 Hummer H3 4dr SUV

242-horsepower 3.7L I5 5-speed manual AWD w/low range

Hummer H3 in Massachusetts, United States
Mar 2010 - Oct 2015
May 2011

57000 mi

US $400
Rear brakes replaced and tires rotated, synthetic oil change, vehicle in great shape, very reliable, best vehicle I have ever owned 
Dec 2011

66000 mi

US $180
Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow 
Jun 2012

70000 mi

US $138
OEM battery died, side walls were bulged out, plates failure 
Dec 2012

78000 mi

US $325
Master window control driver side failed, driver window would not work and power door locks would not work 
Jan 2013

78000 mi
Parisitic discharge from battery drain.If car not driven daily, battery will die on start.Thought problem would resolve after master window switch replaced.On battery number 3, warranty replaced twice.Will try to find drain this weekend. 
Feb 2013

78000 mi
Seat trim was causing parasitic drain on battery. It was cracked and constantly pressing down on the power seat button. Realigned the plastic trim and screwed it into place, the drain on battery was resolved. 
Jul 2013

82000 mi

US $300
Servo valve in sensor showed engine light, design change made a $100 part cost $200 with $100 installation. 
Nov 2013

87000 mi

US $650
Driver side front wheel bearing with TPM retails over $400 for part $650 with oil change and tire rotation (5) 
Jan 2014

88700 mi

US $300
Emergency brake cable frayed and was not releasing, put on helper spring, still would hang up, plastic handle broke off, had to replace handle and cable and cross cable 
Mar 2014

90000 mi

US $600
Passenger side front wheel bearing with 7 year warranty 
Sep 2014

95000 mi

US $807
Radiator needed to be replaced as well as a u joint. 

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2007 Hummer H3 4dr SUV

242-horsepower 3.7L I5 4-speed automatic AWD w/low range

Hummer H3 in Ontario, Canada
Nov 2009 - Oct 2013
Oct 2011

61980 mi

C $350
U joints on drive shaft had to be replaced 
Sep 2013

74400 mi

C $300
replaced front rotors and pads 
Hummer H3 in Indiana, United States
Aug 2009 - Jun 2011
Jun 2010

59000 mi
Exterior door handles breaking. The part that does not move has broken of of both passenger doors and the drivers side rear door over the past year. I have reattached with glue. Silaprene seems to work the best. 
Hummer H3 in Arizona, United States
Dec 2008 - Jul 2009
Jan 2009

25000 mi
An occasional flicker noticed in the NAV screen 
Hummer H3 in Texas, United States
Jan 2009 - Aug 2011
Apr 2009

47000 mi
Bad ball joint. Taken to dealer on first trip and he said there was no problem. Had Firestone do another alignment and they said once again that I had a bad ball joint! On second trip to dealer, they acknowledged problem.  
Jul 2009

55000 mi
My torque converter went out. Grinding sound while in gear and stopped. 
Aug 2009

56000 mi
Short in horn contacts at steering wheel. Dealer fixed by pulling on horn pad 
Jun 2011

82000 mi

US $600
Overheating replaced radiator. 
Hummer H3 in Kansas, United States
Dec 2008 - Jun 2011
Nov 2009

23000 mi
power outlet fuse was blown 
Hummer H3 in Texas, United States
Apr 2009 - Jul 2013
Dec 2009

23000 mi
They replaced the lower steering shaft. It was a known problem on the 07's per a TSB.  
Jul 2011

39700 mi
Check engine light on. Small evap leak found. Smoke test. Dealer replaced vent solenoid and gas cap. Retested, no leaks found. 
Dec 2011

45000 mi
Fuel gauge will read completely empty after filling up, or low after fill up. Once vehicle is turned off it will show correctly. This has happened at least 10 times since March 2011. 
Hummer H3 in Pennsylvania, United States
Apr 2011 - Apr 2012
Nov 2011

70000 mi
Radiator went bad, and the Hummer dealer replaced it and flushed the cooling system for free.. Wright Hummer in Wexford PA is the best dealer I have seen that takes customer service serious.. They are #1. 

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2007 Hummer H3 4-door

4-cylinder automatic AWD

Hummer H3 in New York, United States
Jan 2010 - Jun 2011
Feb 2010

58000 mi
This is 2nd trip since 10/09 when engine blew at 53,000 mi. In Feb engine light came on. Car is still not running well difficult to get return call from GM. 

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2007 Hummer H3 Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2007 Hummer H3 problems occur, check out our car reliability stats.