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Hummer H3 Transmission Problems and Repair Histories

Don't infer Hummer H3 problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.

Percentage of Hummer H3 repairs by problem area

29% of the Hummer H3 repairs were to the engine, 14% to the transmission, 10% to the brakes, 9% to the suspension, 23% to the electrical or air-conditioning systems, 12% to the body and trim, and 4% to other areas of the vehicle.

Chart based on 177 repairs.

Hummer H3 transmission and drivetrain repair cost distribution

Of the Hummer H3 transmission and drivetrain repairs that were not covered by warranty and were not do-it-yourself repairs, 13% cost less than $100, 53% between $100 and $499, 13% between $1000 and $2499, and 20% more than $2500.

Chart based on 15 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 Transmission and Drivetrain problems and repair histories. Log in or join us to see them all.
Repair costs are in local units.

2007 Hummer H3 4dr SUV

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

Hummer H3 in Massachusetts, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Mar 2010 40000    
66000 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 
90000  

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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
Date Odometer
(in miles)
Cost Problem/Repair Description
Nov 2009 34720    
61980 350 U joints on drive shaft had to be replaced 
 
Hummer H3 in Texas, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jan 2009 40000    
55000 0 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

Hummer H3 in New York, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jan 2010 56000    
58000 0 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

Hummer H3 in Arkansas, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Jan 2008 29000    
30000 0 Front drive line cv joint boot came off. Shop replaced entire drive line and steering shaft both in less than 1 hr. 
 
Hummer H3 in British Columbia, Canada
Date Odometer
(in miles)
Cost Problem/Repair Description
Jan 2007 8680    
9300 0 transfer case failure. Transfer case refused to shift from hi 4 lock back to hi 4 
25260 338 Rear brakes grinding, transfer case refuses to shift out of hi-lock, horn sounds when driver door opened 
33480 0 Loud clunk from transmission/rearend when going from coasting to power. Transmission appears to do additional shift just prior to stop. 
 
Hummer H3 in Oklahoma, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Mar 2010 39000    
40000 0 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 
 
Hummer H3 in Washington, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Mar 2009 12000    
13000 0 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

Hummer H3 in California, United States
Date Odometer
(in miles)
Cost Problem/Repair Description
Feb 2006 5000    
19000 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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