2008 Hummer H3 Equipment Problems
- Complaints
- 4about this part
- Share
- 4%of 113 total for the year
- Median mileage
- 63,463miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the equipment of the 2008 Hummer H3, 4% of the 113 complaints for this model year. Where a mileage was given, the median is 63,463 miles. 3 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2008 Hummer H3. The contact stated that when driving the vehicle at any speed and utilizing the air conditioner, smoke would emit from under the hood and caused the contact to have trouble breathing. The manufacturer was not notified of the issue. The vehicle was not taken for inspection or repairs. The VIN was not available. The failure and the current mileage was 44,000.”
NHTSA complaint #10467246, filed 2012-07, 44,000 miles“The contact owns a 2008 Hummer H3. While driving approximately 50 MPH with the air conditioning unit activated, there was a burning odor inside the vehicle without warning. The air conditioner failed. The vehicle was taken to the dealer where it was diagnosed that the lower resistor and wiring harness failed, melted together, and needed to be replaced. The vehicle was repaired. The contact received notification of NHTSA campaign number: 15v421000 (visibility), however, the part to do the repair was unavailable. …”
NHTSA complaint #10810849, filed 2015-12, 82,926 miles“The contact owns a 2008 Hummer H3. When the contact attempted to engage the air conditioner, it would not function. The dealer replaced the resistor to correct the failure. There were no prior warnings. The current and failure mileage was 17,000. Updated 08/06/10”
NHTSA complaint #10335319, filed 2010-06, 17,000 miles“The contact owns a 2008 Hummer H3. While driving approximately 35 MPH with the air conditioner activated, smoke emitted inside the vehicle from the ventilation system. The vehicle was not diagnosed or repaired. The contact received notification of NHTSA campaign number: 15v421000 (visibility) however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The failure mileage was 109,000.”
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Equipment: other model years
Other parts of the 2008 Hummer H3
34 complaintsVisibility (wipers, defrost, mirrors)
27 complaintsEngine
18 complaintsAir bags
17 complaintsOther or unknown
9 complaintsBody and structure
8 complaintsSteering
5 complaintsBrakes
4 complaintsEngine cooling
4 complaintsFuel system
4 complaintsSuspension
4 complaintsExterior lighting
3 complaints
← All problems reported for the 2008 Hummer H3
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology