2007 Hummer H3: Recalls, Problems & MPG
Here are the deets on the 2007 Hummer H3: 2 recalls, 237 owner complaints and up to 15 mpg combined.
Recalls
2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Body & structure Vehicle recall #10V179000 · 2010 · 162,129 vehicles
What's wrong: Some of these vehicles have a condition in which the integral clip-tabs on the louver on the hood May fracture, causing the hood louver rattle against the hood and become loose. If this indicator is unnoticed, additional clips could fracture and the hood louver could detach from the vehicle.
Why it matters: If the vehicle is being driving when this occurs, it could strike a following vehicle and cause injury and/or property damage.
The fix: Dealers will apply an adhesive to the hood louver to secure it to the hood. This service will be performed free of charge. The safety recall began on April 12, 2010.
Visibility (wipers, glass) Vehicle recall #15V421000 · 2015 · 164,993 vehicles
What's wrong: In the affected vehicles, the connector module that controls the blower motor speed for the heating, ventilation and air conditioning system May overheat.
Why it matters: If the blower motor connector module overheats, it can increase the risk of a fire.
The fix: Gm will notify owners, and dealers will replace part of the blower motor connector and harness, free of charge. The recall began February 26, 2016.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 18 mention a fire, 19 injuries and 0 deaths were reported.
What owners describe
- Electrical (76): the most common themes are electrical failure (29), fire / smoke (14), stalls / loses power (10).
- Engine (44): the most common themes are stalls / loses power (13), warning light on (12), leaks (9).
- Other / unknown (25): the most common themes are electrical failure (7), leaks (6), won't start (4).
- Visibility/Wiper (24): no single recurring theme in the descriptions.
The 2007 Hummer H3 has 237 owner complaints, ranking #2 of 6 H3 model years for complaints (1.8× the average H3 year). Complaints peaked in 2015 (48 filed that year). The typical problem showed up when the car was about 8 years old, at a median of 84,908 miles. Neighboring years: 2006 (361 complaints, 4 recalls), 2008 (113 complaints, 2 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.7 L 5-cyl | Automatic 4-spd | 4-Wheel or All-Wheel Drive | 14 | 18 | 15 | Regular |
| 3.7 L 5-cyl | Manual 5-spd | 4-Wheel or All-Wheel Drive | 14 | 18 | 15 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2007 Hummer H3.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 2007 Hummer H3 have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 2007 Hummer H3. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2007 Hummer H3 problems?
Owners have filed 237 complaints with NHTSA. The most-reported areas are electrical (76), engine (44), other / unknown (25).
What gas mileage does the 2007 Hummer H3 get?
EPA ratings run up to 15 mpg combined (3.7 L, Automatic 4-spd), across 2 engine and transmission combos.
Where can I get a 2007 Hummer H3 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.