| 1 | 0 | 3 | 4 | 3 | 4 |
2008 Hummer H3 repairs by problem area
Engine (39%)
Transmission and Drivetrain (14%)
Brakes and Traction Control (8%)
Suspension and Steering (16%)
Electrical and Air Conditioning (16%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (0%)
Chart based on 49 repairs.
2008 Hummer H3 repair cost distribution
$2500+ (8%)
$1000 - $2499 (13%)
$500 - $999 (16%)
$100 - $499 (26%)
< $100 (37%)
Chart based on 38 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2008 Hummer H3
Engine not specified
| Hummer H3 in Ontario, Canada Dec 2012 - Jan 2013 | |||
| Jan 2013C $460 | Check engine light stays on. | ||
2008 Hummer H3 4dr SUV
295-horsepower 5.3L V8 4-speed automatic AWD w/low range
| Hummer H3 in Pennsylvania, United States Sep 2013 - Aug 2016 | |||
| Feb 2014142100 miUS $7500 | #5 bearing spun. Full engine replacement. | ||
| Oct 2014157500 miUS $1000 | Drivers front axle replaced. Axle wear could not keep seal. | ||
| Hummer H3 in Maryland, United States Mar 2011 - Jun 2022 | |||
| Jul 201147000 mi | Total engine failure, 5.3L V8 | ||
| Apr 201393700 mi | Differential gasket leaking Oil Pan Gasket needed replacing, oil leak Replaced Shocks Replaced cat back exhaust | ||
| Jan 201490800 miUS $15 | small coolant leak | ||
| May 2014120000 miUS $25 | Simple preventative maintenance- Oil Change, air filter cleaning (k&N) and MAF and throttle body cleaning (rough idle) | ||
| Jun 2015130000 miUS $285 | Warped rotor, front passenger side caliper frozen | ||
| Oct 2015134700 miUS $368 | Starter replacement | ||
| Aug 2016149000 miUS $250 | Heat shield on catalytic converter came loose (rusted weld), put exhaust strap on it. | ||
| Sep 2016149000 miUS $800 | Had to replace front wheel hub | ||
| Oct 2016150000 miUS $1250 | Replaced cracked radiator | ||
| May 2017162000 miUS $700 | The Pass-Lock system was malfunctioning and I could not remove the key despite being in park. In addition, there was a passenger side leak (floor was getting saturated) in rain and had to replace weather stripping | ||
| Aug 2017166000 miUS $750 | Replaced transmission cooling lines that were leaking | ||
| Sep 2017166000 miUS $79 | the parking brake would not fully engage (car would roll slowly until the transmission stopped it), when attempting to tighten the cable the adjustment parts were found to be rusted and snapped when attempt was made | ||
| Dec 2017171000 miUS $600 | driver's side axle seal replacement due to corrosion and ds wheel hub due to noise and excess movement. | ||
| Feb 2018176000 miUS $1600 | The vehicle went in for broken exhaust manifold bolts and an exhaust leak. I decided to replace both exhaust manifolds due to the age of the car but technically they were not required. Upon working on the car the mechanic noticed an extremely rust steering shaft which I decided to replace | ||
| Apr 2018176000 miUS $8500 | I had a lifter freeze and destroy the cam lobe. The noise was hidden by the exhaust leak and became very apparent when exhaust was fixed. I could have replaced the lifter and cam but chose to replace the motor due to high mileage and metal particles in the oil. The cost of the motor replacement would have been $7k but I chose to replace all hoses, alternator, water pump, thermostat, fan clutch , plugs, coils, etc. If I had just done the lifter and cam the cost woudl have stayed around $1k | ||
| Hummer H3 in California, United States Mar 2013 - Dec 2020 | |||
| Apr 2016110000 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 Maryland, United States Sep 2013 - Mar 2015 | |||
| Oct 2014165000 miUS $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 Alabama, United States Sep 2013 - Jan 2015 | |||
| Oct 201363300 mi | AC control module failed to blend hot and cold. Control module replaced. Buttons malfunctioning on radio. Radio replaced. | ||
| Jan 201465300 mi | Right front CV boot damaged. Entire axle assembly replaced | ||
| Mar 201467000 mi | Transfer case sensor error. Broken ground wire found in the harness. Harness replaced. | ||
| Jan 201565000 miUS $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. | ||
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 - Feb 2022 | |||
| Aug 2016105000 miUS $1 | Radiator needed to be replaced | ||
2008 Hummer H3 4dr SUV
242-horsepower 3.7L I5 4-speed automatic AWD w/low range
| Hummer H3 in New Jersey, United States Jan 2021 - Feb 2023 | |||
| May 202197000 miUS $240 | Inner tie rods needed replacement. | ||
| Jul 202197000 miUS $524 | Front right bearing needed replacement. | ||
| Jan 2022103000 miUS $250 | Engine started running warm on warmer days. Thermostat needed to be replaced. | ||
| Jan 2023109000 miUS $500 | Front differential bushings were shot and needed replacement. | ||
| Feb 2023111000 miUS $1200 | Both front wheel bearings were worn and needed replacement. | ||
| Hummer H3 in Ohio, United States Sep 2011 - Jun 2014 | |||
| May 201477000 miUS $100 | Steering column intermediate shaft failure. Difficult steering off center and no on center feel. | ||
| Jun 201477000 mi | Occasional engine loss of power under high steering load when just starting up after about a week of sitting. | ||
| Hummer H3 in Michigan, United States Dec 2010 - Jun 2018 | |||
| Dec 201128000 mi | Rear Camera in mirror does not operate compass & temp stop working and cruse control not working. It comes & goes. dealer said it was because of a aftermarket starter/Alarm this was the easy way out.I then took Truck to Alarm company | ||
| Nov 201445000 miUS $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 201654000 miUS $30 | Muffler Heat shield clamp broke & had to be replaced. | ||
| Jun 201859000 miUS $5900 | tires & rims Chrome coming off old rims. Lub Eng,Front & rear Diff,Transfer case & Auto Trans. brake lines fuel inj flush | ||
| Hummer H3 in Maine, United States May 2011 - Oct 2011 | |||
| Jul 201130000 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. | ||
| Hummer H3 in Maryland, United States Jul 2013 - Aug 2013 | |||
| Aug 201354000 miUS $748 | Radiator cracked at top causing leak. Vehicle also has a rough idle. Cause of Idle unknown | ||
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