2006 Hummer H3 Hummer H3 2006

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2006 Hummer H3 repairs by problem area

Engine (32%)

Transmission and Drivetrain (12%)

Brakes and Traction Control (3%)

Suspension and Steering (11%)

Electrical and Air Conditioning (23%)

Paint, Rust, Leaks, Rattles, and Trim (15%)

Other (5%)

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Chart based on 136 repairs.
See TSBs and recalls for the 2006 Hummer H3.

2006 Hummer H3 transmission repair cost distribution

$2500+ (6%)

$1000 - $2499 (19%)

$500 - $999 (0%)

$100 - $499 (19%)

< $100 (56%)

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Chart based on 16 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2006 Hummer H3

Engine not specified

58000 mi Crack in Transmission cooler, leaking fluid on ground.  

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2006 Hummer H3 4dr SUV

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

78300 mi

US $125
Leaky oil seal front transaxle. 
40000 mi

US $2
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 Front differential was leaking, in an ODD place, not from inside seal, but outside seal - replaced, repaired 
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. 
12000 mi Transfer case module replaced under warranty. 
122300 mi

US $2100
Rebuilt the transmission. 
133000 mi

US $2000
right front axle, 
9300 mi transfer case failure. Transfer case refused to shift from hi 4 lock back to hi 4 
24180 mi

C $338
Transfer case stuck in 4 HI lock , will not release to 4 Hi unlock. Same problem a year ago. Transfer case re and re ... 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. 
103800 mi

US $2300
Replaced transmission 
30000 mi Front drive line cv joint boot came off. Shop replaced entire drive line and steering shaft both in less than 1 hr. 
59000 mi

US $5000
Something replaced but not rebuilt 

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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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See TrueDelta's information for all Hummer models.

2006 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 2006 Hummer H3 problems occur, check out our car reliability stats.