TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING, THE GRILL OF THE VEHICLE DETACHED FROM THE HOOD. THE LOCAL DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE, BUT OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 106,000.
2007 Hummer H3
Owner reports · Recalls · Investigations
More warning signs than most H3 years
Owner complaints for the 2007 Hummer H3 are substantially higher than the model-year median of 91.
About this comparison →How this year compares
Owner complaints by model year
Compare all H3 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
192 reports with mileage · 45 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 76 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 44 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Visibility/wiper. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
237 reportsTL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT VARIOUS WARNING INDICATORS ILLUMINATED AND VARIOUS ELECTRICAL FUNCTIONS ACTIVATED INDEPENDENTLY. THE CONTACT ALSO INDICATED THAT THE VEHICLE EXPERIENCED A LOSS OF POWER. THE VEHICLE WAS TOWED TO FERRIS CHEVROLET WHERE IT WAS DIAGNOSED THAT THE BODY CONTROL MODULE WAS…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT VARIOUS WARNING INDICATORS ILLUMINATED AND VARIOUS ELECTRICAL FUNCTIONS ACTIVATED INDEPENDENTLY. THE CONTACT ALSO INDICATED THAT THE VEHICLE EXPERIENCED A LOSS OF POWER. THE VEHICLE WAS TOWED TO FERRIS CHEVROLET WHERE IT WAS DIAGNOSED THAT THE BODY CONTROL MODULE WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND REFERRED THE CONTACT TO NHTSA. THE FAILURE MILEAGE WAS APPROXIMATELY 112,171.
SUN ROOF DID LEAK GOT THAT FIXED NOW WATER STILL COMING IN ON FLOOR BOARD ON DRIVER SIDE AND PASSENGER SIDE DONT KNOW WHERE IT IS COMING FROM
RADIATOR LEAK, DRIPPING THE COOLANT AND ITS A DESIGN FLAW. THE PLASTIC ON THE TOP OF RADIOTR GETS CRACKED AND IS A KNOWN ISSUE TO ALL HAVING HUMMER H3. THIS SHOULD BE A BECOME A RECALL AS ITS VERY RISKY AS THERE IS HIGH RISK FOR ENGINE TO GET FRYED CAUSE OF NO COOLANT.
THIRD BRAKE LIGHT RECALL- THE THIRD BRAKE LIGHT ON 2007 HUMMER H3 LIGHTS UP HALFWAY AND WAS PURCHASED IN SEPTEMBER 2016. THE THIRD BRAKE LIGHT WORKED THEN AND IS 60,124K MILES ON IT. I WENT TO HAVE IT INSPECTED AND THEY TOLD ME IT FAILED DUE TO THE THIRD BRAKE LIGHT BEING ONLY HALF LIT UP. I HAVE DONE EXTENSIVE RESEARCH AND I HA…
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THIRD BRAKE LIGHT RECALL- THE THIRD BRAKE LIGHT ON 2007 HUMMER H3 LIGHTS UP HALFWAY AND WAS PURCHASED IN SEPTEMBER 2016. THE THIRD BRAKE LIGHT WORKED THEN AND IS 60,124K MILES ON IT. I WENT TO HAVE IT INSPECTED AND THEY TOLD ME IT FAILED DUE TO THE THIRD BRAKE LIGHT BEING ONLY HALF LIT UP. I HAVE DONE EXTENSIVE RESEARCH AND I HAVE COME TO FIND THAT IT IS A COMMON PROBLEM AMONG HUMMERS IN GENERAL. I FEEL THAT THIS NEED TO BE FIXED BY GENERAL MOTORS DUE TO THERE FAULT. THIS IS A SAFETY ISSUE! I SHOULD NOT HAVE TO SHELL OUT, NOR SHOULD ANYONE ELSE $200.00 FOR A LIGHT THAT IS DEFECTIVE.
AS I WAS REACHING A LIGHT TO SLOW DOWN BEHIND A VEHICLE, MY CAR UP IN DIES ON ME OUT OF NOWHERE. I WAS UNSURE AS TO WHAT HAPPENED SEEING AS I JUST INTENDED TO SLOW DOWN FOR MY HUMMER TO JUST COMPLETELY DIE ON ME. I HAD IT IN DRIVE BUT IT DIED HOW IT WAS (MY SPEEDOMETER WAS STILL SITTING AT 40 MPH). I HAD NEVER HAD THIS ISSUE BEF…
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AS I WAS REACHING A LIGHT TO SLOW DOWN BEHIND A VEHICLE, MY CAR UP IN DIES ON ME OUT OF NOWHERE. I WAS UNSURE AS TO WHAT HAPPENED SEEING AS I JUST INTENDED TO SLOW DOWN FOR MY HUMMER TO JUST COMPLETELY DIE ON ME. I HAD IT IN DRIVE BUT IT DIED HOW IT WAS (MY SPEEDOMETER WAS STILL SITTING AT 40 MPH). I HAD NEVER HAD THIS ISSUE BEFORE SO I WAS CONFUSED IN SCARED BECAUSE WHEN MY VEHICLE STOPPED, NOTHING WOULD TURN ON NOT EVEN MY HAZARD LIGHTS. I WAS UNABLE TO COMMUNICATE WITH OTHER DRIVERS TO LET THEM KNOW THERE WAS AN ISSUE WITH MY VEHICLE AS I WAS STUCK IN THE MIDDLE OF THE ROAD WITH THE KEY NOT EVEN CLICKING TO THE IGNITION. I CALLED THE POLICE TO BRING A DETOUR AND A TOW TUCK.
TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 45 MPH, THE VEHICLE STALLED AND THE THEFT LOCK WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS RESTARTED. THE VEHICLE WAS INSPECTED BY AN INDEPENDENT MECHANIC AND UNKNOWN FUSES RELATED TO THE ELECTRICAL SYSTEM WERE REPLACED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFI…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 45 MPH, THE VEHICLE STALLED AND THE THEFT LOCK WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS RESTARTED. THE VEHICLE WAS INSPECTED BY AN INDEPENDENT MECHANIC AND UNKNOWN FUSES RELATED TO THE ELECTRICAL SYSTEM WERE REPLACED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 145,000.
TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE MAKING A RIGHT TURN AT 35 MPH THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER WITHOUT WARNING. THE CONTACT PULLED OVER AND DISCOVERED THAT THE POWER STEERING FLUID CAP FAILED TO REMAIN SECURE AND CAUSED THE POWER STEERING FLUID TO SPEW OUT. THE CAP WAS SECURED, BUT THE FAILURE RECURRE…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE MAKING A RIGHT TURN AT 35 MPH THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER WITHOUT WARNING. THE CONTACT PULLED OVER AND DISCOVERED THAT THE POWER STEERING FLUID CAP FAILED TO REMAIN SECURE AND CAUSED THE POWER STEERING FLUID TO SPEW OUT. THE CAP WAS SECURED, BUT THE FAILURE RECURRED CONTINUOUSLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 114,000. UPDATED 05/02/17*LJ THE CONSUMER STATED SHE PURCHASED A POWER STEERING CAP. UPDATED 05/26/2017 *JS
TL* THE CONTACT OWNS A 2007 HUMMER H3. AFTER WASHING THE VEHICLE, THE CONTACT NOTICED THAT THE HOOD LOUVER WAS LOOSE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE MANUFACTURER STATED THAT THE DEALER REPAIRED THE VEHICLE PER NHTSA CAMPAIGN NUMBER: 10V179000 (STRUCTURE). THE CONTACT …
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TL* THE CONTACT OWNS A 2007 HUMMER H3. AFTER WASHING THE VEHICLE, THE CONTACT NOTICED THAT THE HOOD LOUVER WAS LOOSE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE MANUFACTURER STATED THAT THE DEALER REPAIRED THE VEHICLE PER NHTSA CAMPAIGN NUMBER: 10V179000 (STRUCTURE). THE CONTACT STATED THAT THERE WAS NO EVIDENCE THAT THE ADHESIVE WAS APPLIED ON THE VEHICLE UPON INSPECTION. THE FAILURE MILEAGE WAS APPROXIMATELY 170,000. UPDATED 05/05/17*LJ *CN
EVERYTHING FROM: ELECTRICAL, AIR CONDITION, STABILITRACK SYSTEM, WHICH COST ME OVER $600.00 STILL NOT WORKING PROPERLY. LEAKINGSUN ROOF CENSORS, I WAS MADE TO PAY FOR THAT STILL DONT WORK. I PAID OVER $8,000.00, OR MORE. WHEN EVER I BROUGHT MY VECHICLE IN, I WAS FORCED TO FOR SOMETHING ELSE, MY VECHILE ONLY HAD ABOUT 22,000.00…
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EVERYTHING FROM: ELECTRICAL, AIR CONDITION, STABILITRACK SYSTEM, WHICH COST ME OVER $600.00 STILL NOT WORKING PROPERLY. LEAKINGSUN ROOF CENSORS, I WAS MADE TO PAY FOR THAT STILL DONT WORK. I PAID OVER $8,000.00, OR MORE. WHEN EVER I BROUGHT MY VECHICLE IN, I WAS FORCED TO FOR SOMETHING ELSE, MY VECHILE ONLY HAD ABOUT 22,000.00 MILES. I WAS TAKING IT TO GMC/VERA CADILLAC 300 PEMBROKE PINES, FL 33025, PH:(954)362-9465, SERVICE MANAGER MR.GUSTAVO, EDWIN MONTOYA. I HAVE OVER 50 PAGES DOCUMENTS ABOUT FAKE REPAIRS, MY VECHICLE IS WROST OFF NOW THAN BEFORE. IT ALSO HAS SAFTY ISSUES, MOLD/MEDW, AC OVERHEATING, AIRBAG NOT WORKING, ETC. I AM AFRAID FOR MY SAFTY.
Official recalls
215V421000 · Visibility:defroster/defogger/hvac System:fan/motor
Jul 1, 2015
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 & remedy
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.
10V179000 · Structure:body:hood
Apr 30, 2010
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 & remedy
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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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