Follow TrueDelta

TrueDelta at Facebook TrueDelta at Google+ TrueDelta at Twitter

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%)

Chart based on 231 repairs.

Hummer H3 engine repair cost distribution

$2500+ (23%)

$1000 - $2499 (11%)

$500 - $999 (17%)

$100 - $499 (40%)

< $100 (9%)

Chart based on 35 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.

2006 Hummer H3 4dr SUV

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

50000 mi Traction control can be turned on and off on vehicle. Traction control was not able to be turned off. PBM computer module defective. 
17980 mi engine shuttered on initial start-up each morning. Dealer reflash of ECM. Shutter now gone 
35340 mi Check engine light on, due to emission evaporation, vent sensor malfunction. 

Return to top

2006 Hummer H3 4-door

5-cylinder automatic 4WD

7000 mi Needs new head in cylinder one 
9000 mi Needs new head in cylinder one. Repair period started in May and finished over a week later in June. 

Return to top

2006 Hummer H3 4-door

4-cylinder automatic AWD

3000 mi Vehicle stability failure. Please service message came on and I was unable to switch from 4wd drive. These buttons did not work. Mechanic said it was the encoder motor. 

Return to top

2006 Hummer H3 2-door

Engine not specified

21000 mi Bad cylinder head. Ordered replacement. 

Return to top

Hummer H3 Engine 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.