2008 Hummer H3 Hummer H3 2008

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2008 Hummer H3 repairs by problem area

Engine (38%)

Transmission and Drivetrain (14%)

Brakes and Traction Control (16%)

Suspension and Steering (8%)

Electrical and Air Conditioning (19%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (5%)

Chart based on 37 repairs.
See TSBs and recalls for the 2008 Hummer H3.

2008 Hummer H3 repair cost distribution

$2500+ (8%)

$1000 - $2499 (25%)

$500 - $999 (17%)

$100 - $499 (33%)

< $100 (17%)

Chart based on 12 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 2008 Hummer H3 repair histories. Log in or join us to see them all.

2008 Hummer H3

Engine not specified

Hummer H3 in Ontario, Canada
Dec 2012 - Jan 2013
Jan 2013

62620 mi

C $460
Check engine light stays on. 

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2008 Hummer H3 4dr SUV

295-horsepower 5.3L V8 4-speed automatic AWD w/low range

Hummer H3 in California, United States
Mar 2013 - Jun 2016
Apr 2016

111000 mi
Both of my Hummer H3's had the burning smell and melted the connector that went to the resistor in the HVAC. It is now a recall for all Hummer H3. 
Hummer H3 in Alabama, United States
Sep 2013 - Jan 2015
Oct 2013

63700 mi
AC control module failed to blend hot and cold. Control module replaced. Buttons malfunctioning on radio. Radio replaced. 
Jan 2014

65700 mi
Right front CV boot damaged. Entire axle assembly replaced 
Mar 2014

67000 mi
Transfer case sensor error. Broken ground wire found in the harness. Harness replaced. 
Jan 2015

75000 mi

US $1750
Torn inner and outer cv boots driver side Top of radiator leaking because of no padding on upper retaining bracket. Original OEM design and install. DTC P0121. tech found the throttle body bad. 
Hummer H3 in Maryland, United States
Sep 2013 - Mar 2015
Oct 2014

166000 mi

US $350
Master cylinder appeared to have stuck or open valve which resulted in a pedal to the floor condition. Knocking on it would free it temporarily. 
Hummer H3 in Pennsylvania, United States
Sep 2013 - Jan 2015
Feb 2014

143000 mi

US $7500
#5 bearing spun. Full engine replacement. 
Oct 2014

158300 mi

US $1000
Drivers front axle replaced. Axle wear could not keep seal. 
Hummer H3 in Maryland, United States
Mar 2011 - Dec 2016
Jul 2011

47000 mi
Total engine failure, 5.3L V8 
Apr 2012

68700 mi

US $60
front brake replacement, routine maint 
Jul 2012

79000 mi

US $75
Rear brakes replaced, worn out 
Apr 2013

95000 mi

US $108
Differential gasket leaking Oil Pan Gasket needed replacing, oil leak Replaced Shocks Replaced cat back exhaust 
Jan 2014

110000 mi

US $15
small coolant leak 
May 2014

120000 mi

US $25
Simple preventative maintenance- Oil Change, air filter cleaning (k&N) and MAF and throttle body cleaning (rough idle) 
Jun 2015

130000 mi

US $285
Warped rotor, front passenger side caliper frozen 
Oct 2015

135000 mi

US $368
Starter replacement 
Aug 2016

149000 mi

US $250
worn rear pads, replaced rotors in good measure. Heat shield on catalytic converter came loose (rusted weld), put exhaust strap on it. 
Sep 2016

149000 mi

US $800
Had to replace front wheel hub 
Oct 2016

150000 mi

US $1250
Replaced cracked radiator 

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2008 Hummer H3 4dr SUV

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

Hummer H3 in Delaware, United States
Dec 2015 - Dec 2016
Aug 2016

105700 mi

US $1
Radiator needed to be replaced 

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2008 Hummer H3 4dr SUV

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

Hummer H3 in Michigan, United States
Dec 2010 - Dec 2016
Nov 2014

45000 mi

US $170
Engine service light replace Gas Cap.1st. according to repair manual. Then had to replace Gas tank Pressure valve at gas tank. New Battery 
Dec 2016

54000 mi

US $30
Muffler Heat shield clamp broke & had to be replaced. 
Hummer H3 in Ohio, United States
Sep 2011 - Jun 2014
May 2014

77000 mi

US $100
Steering column intermediate shaft failure. Difficult steering off center and no on center feel. 
Jun 2014

77000 mi
Occasional engine loss of power under high steering load when just starting up after about a week of sitting. 
Hummer H3 in Maryland, United States
Jul 2013 - Aug 2013
Aug 2013

54000 mi

US $748
Radiator cracked at top causing leak. Vehicle also has a rough idle. Cause of Idle unknown 
Hummer H3 in Maine, United States
May 2011 - Oct 2011
Jul 2011

30000 mi
Passenger tail light out from fuse that kept blowing, faulty wire found and fixed. 500 mile drive in 100+ temps, AC began blowing white smoke through center vents, could smell something burning. Turned AC off and turned it on the next day, no problems. Took it to dealer, problem could not be replicated. 
Oct 2011

32000 mi

US $446
Rotor was rusted and making grinding noise while driving, noise worsened when breaking. Rotor was resurfaced and brakes replaced. Still under bumper to bumper warranty but GM wouldn't budge as it fell under "routine maintenance." 

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2008 Hummer H3 Repair Histories

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 2008 Hummer H3 problems occur, check out our car reliability stats.