2007 H3 HUMMER, SUNROOF LEAKS, TOOK BACK TO DEALER, TOLD "DON'T GO THROUGH POWER WASH", 8 INCHES OF SNOW FELL TODAY, PASSENGER SIDE FRONT AND BACK DOORS, SNOW BLEW IN THE VEHICLE. VEHICLE WAS LOCKED, WINDOWS UP AND THE SNOW BLEW IN THE VEHICLE. WHAT A MESS. *TR
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 reportsYESTERDAY MAVIS WAS VISITING OUR DAUGHTER (BRENDA) IN KILLEEN. BRENDA OWNS ONE OF THOSE FANCY H3 BURNT ORANGE HUMMERS WITH ALL THE DOODADS. IT LOOKS LIKE IT JUST ROLLED OFF OF FORT HOOD READY FOR WARFARE. IF FACT IT ATTACKED MY LOVELY DEMURE WIFE WITH NO PROVOCATION WHATSOEVER. NOW REALIZE I WAS DUTIFULLY WORKING AT MY JOB WH…
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YESTERDAY MAVIS WAS VISITING OUR DAUGHTER (BRENDA) IN KILLEEN. BRENDA OWNS ONE OF THOSE FANCY H3 BURNT ORANGE HUMMERS WITH ALL THE DOODADS. IT LOOKS LIKE IT JUST ROLLED OFF OF FORT HOOD READY FOR WARFARE. IF FACT IT ATTACKED MY LOVELY DEMURE WIFE WITH NO PROVOCATION WHATSOEVER. NOW REALIZE I WAS DUTIFULLY WORKING AT MY JOB WHILE MAVIS WAS OUT BUT SHE SWEARS BY THE STORY AND AT ME. MAVIS AND BRENDA JUMP IN THE HUMMER TO GO SEE THE DOCTOR IN TEMPLE WHICH IS ABOUT A 20 MILE TRIP. BRENDA WAS DRIVING. SHORTLY AFTER LEAVING THE HOUSE MAVIS STARTS SQUIRMING AROUND IN THE SEAT COMPLAINING ABOUT HOW HOT THE SEAT WAS AND TRYING TO FIGURE OUT HOW TO TURN THE DARN SEAT HEATER OFF. SHE THOUGHT MAYBE SHE WAS HAVING HOT FLASHES. BRENDA PULLS OFF THE SIDE OF THE HIGHWAY AND RUNS AROUND THE HUMMER, HOPING NO ONE RUNS OVER THEM, TO TURN OFF THE SEAT HEATER. SHE TURNS THE HEATER OFF OR SO SHE THOUGHT. SHE HEADS DOWN THE ROAD AGAIN WHEN MAVIS HOLLERS THAT HER BOTTOM WAS BURNING OFF. SHE PULLS OFF THE ROAD AGAIN AND THEY FINALLY GET THE DARN THING TURNED OFF. THE SEAT AND MAVIS? BOTTOM START TO COOL DOWN. AFTER VISITING THE FAMILY DOCTOR THEY RETURNED TO KILLEEN AND MAVIS JUMPED IN OUR CAR TO HEAD FOR HOME. THE 2 HOUR TRIP FROM KILLEEN TO RED OAK TOOK NEARLY 6 HOURS. SOME KNOT HEAD DAMAGED A BRIDGE ON I35 SHUTTING DOWN THE HIGHWAY. I WAS WATCHING TV WHEN MAVIS GOT HOME AND SHE IMMEDIATELY RUNS IN THE BEDROOM PULLING DOWN HER SLACKS AND SHE SHOWS ME 1ST AND 2ND DEGREE BURNS ON THE BACK OF HER THIGHS AND HER BOTTOM. THE BURNS LOOK VERY PAINFUL AND VERY UGLY. I TOOK PICTURES. SOME PICTURES ARE OF THE BURNS. TODAY BRENDA CALLED GM TO INFORM THEM OF THE ATTACK. THEY THINK A HEAT SENSOR MUST HAVE FAILED BUT WE?LL KNOW MORE AFTER THEY TAKE A LOOK AT IT. IT?S AMAZING THAT NEITHER THE SEAT NOR HER CLOTHING SHOWED ANY HEAT DAMAGE. MAVIS IS DOING WELL BUT IS A BIT TENDER. SHE IS GOING TO BE SORE FOR A FEW DAYS. *JB
TL*THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACTS HUSBAND STATED THAT THE DISTANCE BETWEEN THE BRAKE AND ACCELERATOR PEDALS IS TOO NARROW AND HIS SHOES GET STUCK IN THE SPACE. THE CONTACT SPOKE WITH THE DEALER AND THEY STATED THAT THEY WERE AWARE OF THE FAILURE. THE CURRENT MILEAGE WAS 200 AND FAILURE MILEAGE WAS 149. UPDAT…
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TL*THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACTS HUSBAND STATED THAT THE DISTANCE BETWEEN THE BRAKE AND ACCELERATOR PEDALS IS TOO NARROW AND HIS SHOES GET STUCK IN THE SPACE. THE CONTACT SPOKE WITH THE DEALER AND THEY STATED THAT THEY WERE AWARE OF THE FAILURE. THE CURRENT MILEAGE WAS 200 AND FAILURE MILEAGE WAS 149. UPDATED 02-01-08 *BF THE CONSUMER STATED SHE HAS LOCATED THE DEFECT. THE CONSUMER STATED THE DEFECT WAS THE CARPET THAT WAS INTERFERING WITH THE BRAKE, SO PROBLEM SOLVED. UPDATED 02/01/08 *TR
TL*THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 40 MPH, THE CONTACT WAS INVOLVED IN A HEAD-ON CRASH WITH THE OWNER OF AN OLDSMOBILE MINIVAN. THE CONTACT'S PASSENGER SIDE AIR BAG FAILED TO DEPLOY. THE VEHICLE CAUGHT FIRE UNDER THE PASSENGER SIDE OF THE HOOD. THE HORN BEGAN TO SOUND AND THE RADIO WAS ACTIVATED DURING THE F…
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TL*THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 40 MPH, THE CONTACT WAS INVOLVED IN A HEAD-ON CRASH WITH THE OWNER OF AN OLDSMOBILE MINIVAN. THE CONTACT'S PASSENGER SIDE AIR BAG FAILED TO DEPLOY. THE VEHICLE CAUGHT FIRE UNDER THE PASSENGER SIDE OF THE HOOD. THE HORN BEGAN TO SOUND AND THE RADIO WAS ACTIVATED DURING THE FIRE. THE CONTACT'S ON STAR FEATURE INSTANTLY NOTIFIED THE POLICE AND PARAMEDIC. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE AND THE VEHICLE WAS DESTROYED. THE INSURANCE COMPANY AND GENERAL MOTORS ARE BOTH INVESTIGATING THE CAUSE OF THE FIRE. THE CONTACT AND THREE OCCUPANTS WERE INJURED IN THE CRASH, INCLUDING ONE WHO IS IN INTENSIVE CARE WITH A BROKEN NECK AND BACK. THE DRIVER AT FAULT WAS SERIOUSLY INJURED AS WELL. A POLICE REPORT AND PHOTOS ARE AVAILABLE. THE CURRENT AND FAILURE MILEAGES WERE 736.
I WAS DRIVING MY 2007 H3 ON THE GARDEN STATE PARKWAY WHEN MY 3 YEAR OLD DAUGHTER OPENED UP THE LOCK ON THE REAR DOOR AND THEN PROCEEDED TO OPEN IT WHEN I WAS TRAVELING 65 MPH. THIS CAR IS NOT EQUIPPED WITH CHILD SAFETY LOCKS. I INFORMED THE DEALERSHIP AND WAS TOLD THAT NOTHING COULD BE DONE TO CORRECT THIS EXCEPT PUT MY CHILD IN…
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I WAS DRIVING MY 2007 H3 ON THE GARDEN STATE PARKWAY WHEN MY 3 YEAR OLD DAUGHTER OPENED UP THE LOCK ON THE REAR DOOR AND THEN PROCEEDED TO OPEN IT WHEN I WAS TRAVELING 65 MPH. THIS CAR IS NOT EQUIPPED WITH CHILD SAFETY LOCKS. I INFORMED THE DEALERSHIP AND WAS TOLD THAT NOTHING COULD BE DONE TO CORRECT THIS EXCEPT PUT MY CHILD IN THE CAR SEAT IN THE MIDDLE WHICH IS NOT SAFE BRING THAT SHE WEIGHS 32 POUNDS. *JB
TL*- THE CONTACT OWNS A 2007 HUMMER H3 STATED THAT BETWEEN THE GAS PEDAL AND BRAKE THERE IS NOT ENOUGH ROOM FOR HIM TO NAVIGATE THE TWO PEDALS BECAUSE WHEN HE PUT HIS FOOT ON THE GAS PEDAL IT CAUGHT THE BRAKE PEDAL AND IT CAUSES HIM DIFFICULTY IN OPERATE THE VEHICLE PROPERLY. THE CURRENT AND FAILURE MILEAGE WERE BOTH 6,000 MIL…
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TL*- THE CONTACT OWNS A 2007 HUMMER H3 STATED THAT BETWEEN THE GAS PEDAL AND BRAKE THERE IS NOT ENOUGH ROOM FOR HIM TO NAVIGATE THE TWO PEDALS BECAUSE WHEN HE PUT HIS FOOT ON THE GAS PEDAL IT CAUGHT THE BRAKE PEDAL AND IT CAUSES HIM DIFFICULTY IN OPERATE THE VEHICLE PROPERLY. THE CURRENT AND FAILURE MILEAGE WERE BOTH 6,000 MILES.
I OWN A 2007 HUMMER H3. DRIVING HOME IN A SNOWSTORM LAST NIGHT, THE WIPERS STOPPED WORKING. I CALLED THE DEALER AND HAD THE CAR TOWED TO THE DEALERSHIP. THEY TELL ME THAT SINCE THE AREA AROUND THE WIPER BLADES IS SO LARGE, THIS SHOULD BE EXPECTED AND THAT THEY HAD SEVERAL OTHER CALLS ON THE SAME ISSUE. I WAS IN A SNOW STORM …
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I OWN A 2007 HUMMER H3. DRIVING HOME IN A SNOWSTORM LAST NIGHT, THE WIPERS STOPPED WORKING. I CALLED THE DEALER AND HAD THE CAR TOWED TO THE DEALERSHIP. THEY TELL ME THAT SINCE THE AREA AROUND THE WIPER BLADES IS SO LARGE, THIS SHOULD BE EXPECTED AND THAT THEY HAD SEVERAL OTHER CALLS ON THE SAME ISSUE. I WAS IN A SNOW STORM AND COULD HAVE BEEN IN A SEVERE ACCIDENT. THIS IS A SAFETY ISSUE THAT NEEDS TO BE ADDRESSED. I BOUGHT THE H3 TO DRIVE IN THE WINTER, HOWEVER I DO NOT FEEL THAT IT IS SAFE TO DRIVE IN SNOW. NEED HELP FROM GM ON THIS ONE. *NM
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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