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Hummer H3 Transmission Problems

243 TrueDelta members own (or used to own) a 2000 or newer Hummer H3. 25 of these members (10.3%) have reported transmission repairs for their car. A total of 31 transmission repairs to Hummer H3s--an average of 0.1 per vehicle--have been reported.

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.

Percentage of Hummer H3 repairs by problem area

Chart based on 220 repairs.

Hummer H3 transmission repair cost distribution

Chart based on 19 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   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   transfer case failure. Transfer case refused to shift from hi 4 lock back to hi 4 
24180 C $338 Rear brakes grinding, transfer case refuses to shift out of hi-lock, horn sounds when driver door opened 
33480   Loud clunk from transmission/rearend when going from coasting to power. Transmission appears to do additional shift just prior to stop. 
40000   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   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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