VehicleVerdict

2007 Hummer H3 problems

Verdict · NHTSA data

One of the years to avoid

With 331 complaints filed to NHTSA — about 2.7 times the median H3 year — the 2007 model ranks #2 of 6 H3 years for complaint volume. It lands on the years-to-avoid list. Complainants reported 23 injuries in total across these filings.

Electrical System leads the complaint categories with 89 reports (27% of the total).

331

NHTSA complaints

2

Recalls

0

Investigations

21

Crash-involved

23

Fires reported

23

Injuries

0

Deaths

—

NCAP overall

How does 2007 compare to other H3 years?

H3 NHTSA complaints by model year, 2007 highlighted470 complaints2003: 4 complaints2006: 470 complaints2007: 331 complaints2008: 154 complaints2009: 95 complaints2010: 8 complaints
H3 NHTSA complaints by model year, 2007 highlighted. Red bars are years to avoid.

See all H3 years to avoid →

What are the most common 2007 Hummer H3 problems?

ComponentComplaintsShare
Electrical System8927%
Engine5717%
Visibility & Wipers4413%
Other278%
Body & Structure227%
Airbags196%
Transmission196%
Fuel System124%
Brakes103%
Steering52%
Climate Control (A/C & Heat)52%
Suspension52%
Speed Control41%
Seats41%
Tires & Wheels31%
Latches & Locks21%
Seat Belts21%
Lighting21%

Does the 2007 Hummer H3 have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

15V421000Visibility & WipersJuly 1, 2015 · 164,993 units

Defect

General Motors LLC (GM) is recalling certain model year 2006-2010 Hummer H3 vehicles manufactured February 5, 2005, to May 24, 2010, and 2009-2010 Hummer H3T vehicles manufactured May 21, 2008, to May 24, 2010. In the affected vehicles, the connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat.

Consequence

If the blower motor connector module overheats, it can increase the risk of a fire.

Remedy

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. Owners may contact Hummer customer service at 1-800-732-5493. GM's number for this recall is 15042.

10V179000Body & StructureApril 30, 2010 · 162,129 units

Defect

GM IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 HUMMER H3 VEHICLES. 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.

Consequence

IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.

Remedy

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. OWNERS MAY CONTACT HUMMER AT 800-732-5493 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING APPROXIMATELY 60 MPH, THE CONTACT SMELLED BURNING PLASTIC. THE VEHICLE BECAME FILLED WITH THE ODOR. THE DEALER DIAGNOSED THAT THE CONNECTOR MODEL, BLOWER SWITCH, AND HVAC UNIT MELTED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED. THE…”

Complaint filed with NHTSA · Electrical System · January 11, 2016 · fire

“I HAD DROPPED MY DAUGHTER OFF AT SCHOOL THEN WENT TO THE GAS STATION AND I SMELLED SOMETHING LIKE IT WAS BURNING AND I THOUGHT IT WAS OUT SIDE. WHEN I CAME OUT OF THE GAS STATION THERE WAS SMOKE ROLLING OUT OF MY HUMMER . I HAD JUMPED IN AND MOVED THE VEHICLE AWAY FROM THE PUMPS SO THEY WOULD NOT…”

Complaint filed with NHTSA · Engine · March 17, 2009 · fire

“TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING APPROXIMATELY 60 MPH, THE CONTACT SMELLED BURNING PLASTIC. THE VEHICLE BECAME FILLED WITH THE ODOR. THE DEALER DIAGNOSED THAT THE CONNECTOR MODEL, BLOWER SWITCH, AND HVAC UNIT MELTED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED. THE…”

Complaint filed with NHTSA · Visibility & Wipers · January 11, 2016 · fire

“ON 3/13/2020 MY WIFE WAS DRIVING OUR 2007 HUMMER H3 WHEN THE ENGINE COMPARTMENT AND DASH AREA CAUGHT ON FIRE. THE BLOWER MOTOR CONNECTOR MODULE HAD BEEN REPLACED RECENTLY AS PART OF A SAFETY RECALL. THE VEHICLE WAS IN MOTION AND SHE HAD JUST MADE A LEFT TURN. ALTHOUGH THE PART HAD BEEN REPLACED, I…”

Complaint filed with NHTSA · Other · March 13, 2020 · fire

“I KEEP GETTING A CODE THAT STATES THAT MY TRUCK RUNS WITH A LOW ENGINE TEMPERATURE. PLUS MY TRUCK HAS HAD A LEAK FROM SOME WHERE AROUND THE LOWER WINDSHIELD THAT IS CAUSING ELECTRICAL PROBLEMS AND SOAKING WET FLOORS! WE HAD A MECHANIC LOOK FOR THE LEAK AND TRY TO FIX THIS ISSUE BUT WAS UNABLE TO…”

Complaint filed with NHTSA · Body & Structure · August 22, 2014 · crash

2007 Hummer H3 — common questions

Is the 2007 Hummer H3 reliable?

NHTSA data argues against it: 331 complaints put the 2007 model at #2 of 6 H3 years. It is one of the H3 years to avoid.

What are the most common 2007 H3 problems?

According to NHTSA complaint data, the leading problem areas are electrical system (89 complaints), engine (57 complaints), visibility & wipers (44 complaints).

Does the 2007 Hummer H3 have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2007 Hummer H3. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Hummer H3 years should you avoid?

Based on complaint rates and open investigations, the H3 years to avoid are 2006, 2007. The cleanest record among H3 years belongs to 2003.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.