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Hummer H3 repairs by problem area

Engine (31%)

Transmission and Drivetrain (14%)

Brakes and Traction Control (10%)

Suspension and Steering (9%)

Electrical and Air Conditioning (22%)

Paint, Rust, Leaks, Rattles, and Trim (10%)

Other (4%)

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Chart based on 232 repairs.

Hummer H3 transmission repair cost distribution

$2500+ (20%)

$1000 - $2499 (30%)

$500 - $999 (0%)

$100 - $499 (40%)

< $100 (10%)

Chart based on 20 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 Hummer H3 repair histories. Log in or join us to see them all.

2007 Hummer H3 4dr SUV

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

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 

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2007 Hummer H3 4dr SUV

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

61980 mi

C $350
U joints on drive shaft had to be replaced 
55000 mi My torque converter went out. Grinding sound while in gear and stopped. 

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2007 Hummer H3 4-door

4-cylinder automatic AWD

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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2006 Hummer H3 4dr SUV

220-horsepower 3.5L I5 4-speed automatic AWD w/low range

30000 mi Front drive line cv joint boot came off. Shop replaced entire drive line and steering shaft both in less than 1 hr. 
9300 mi transfer case failure. Transfer case refused to shift from hi 4 lock back to hi 4 
24180 mi

C $338
Rear brakes grinding, transfer case refuses to shift out of hi-lock, horn sounds when driver door opened 
33480 mi Loud clunk from transmission/rearend when going from coasting to power. Transmission appears to do additional shift just prior to stop. 
40000 mi Check 4 wheel drive light came on, shop said small leak - repaired, although I never had a leak in 2-1/2 yrs. 1st night home, large leak in garage. Returned for service following day 
13000 mi 4x4 failure & stability system failure warning came on, 4x4 system lights on center console were extinguished. Dealer replaced transfer case encoder motor and performed software update. Surprisingly pleasant dealer service experience. 

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2006 Hummer H3 4-door

5-cylinder automatic 4WD

19000 mi

US $60
Grinding noise from front differential, Discovered chipped pinion gear, and frozen in place axle. Replaced complete differential and one half shaft. 

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Hummer H3 Transmission Problems

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 Hummer H3 problems occur, check out our car reliability stats.