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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 →

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.

12 crash reports18 fire reports13 injury reports

Engine complaints

44 reports
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180,000 miles · Jun 20, 2018
Electronic Stability Control (esc)EngineVehicle Speed Control

VEHICLE INSTRUMENT PANEL WARNING SHOWS: SERVICE TRACTION CONTROL REDUCED POWER STABILITY SYSTEM FAILED VEHICLE MISFIRES WHEN THIS HAPPENS SOMETIMES VEHICLE SHUTS OFF IN THE MIDDLE OF THE ROAD WHEN TRYING TO RESTART IT DOES NOT RESTART SOMETIMES AFTER THIS

NHTSA ODI #11102891

Mileage unknown · Mar 16, 2018
EngineEngine And Engine CoolingEquipment

2007 HUMMER H3. CONSUMER WRITES SEEKING REIMBURSEMENT FOR REPAIRS DONE PRIOR TO SAFETY RECALL BEING ISSUED. *LD *JS

NHTSA ODI #11023229

136,000 miles · Mar 8, 2018
Engine

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING VARIOUS SPEEDS AND APPROACHING A STOP, THE VEHICLE OVERHEATED. THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE CONTACT COASTED TO THE SIDE OF THE ROAD, POWERED OFF THE VEHICLE, AND WAITED FOR A FEW MINUTES TO RESTART IT AND RESUME DRIVING. THE VEHICLE WAS TAKEN TO STINGRAY…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING VARIOUS SPEEDS AND APPROACHING A STOP, THE VEHICLE OVERHEATED. THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE CONTACT COASTED TO THE SIDE OF THE ROAD, POWERED OFF THE VEHICLE, AND WAITED FOR A FEW MINUTES TO RESTART IT AND RESUME DRIVING. THE VEHICLE WAS TAKEN TO STINGRAY CHEVROLET BARTOW (1475 W MAIN ST, BARTOW, FL 33830, (863) 800-9999) WHERE IT WAS DIAGNOSED THAT THE SPEED SENSOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS LATER TAKEN TO AN INDEPENDENT MECHANIC WHERE THE THERMOSTAT WAS REPLACED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT CONTACTED. THE APPROXIMATE FAILURE MILEAGE WAS 136,000.

NHTSA ODI #11078228

36,000 miles · Jul 16, 2017
EngineUnknown Or Other

ABOUT 2 YEARS AFTER I BOUGTH CAR FROM DEALER ,THE CAR CRANKS BUT WONT START YOU HAVE TO WAIT 20 MINUTES AND IT STARTS TODAY IT LEFT ME STRANDED OVER 60 MILES AWAY ,IT HAS BEING DOING THIS EVERY FEW MONTHS ,I SAW A FORUM WITH HUNDREDS OF PEOPLE HAVING SAME PROBLEM AND DEALER SAYS IT DOESENT FIND ANYTHING THAT'S WHAT I WAS TOLD T…

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ABOUT 2 YEARS AFTER I BOUGTH CAR FROM DEALER ,THE CAR CRANKS BUT WONT START YOU HAVE TO WAIT 20 MINUTES AND IT STARTS TODAY IT LEFT ME STRANDED OVER 60 MILES AWAY ,IT HAS BEING DOING THIS EVERY FEW MONTHS ,I SAW A FORUM WITH HUNDREDS OF PEOPLE HAVING SAME PROBLEM AND DEALER SAYS IT DOESENT FIND ANYTHING THAT'S WHAT I WAS TOLD TWO TIMES AT DEALER ,FROM THE FORUM IT SEEMS TO BE A FAULTY PASSLOCK SECURITY PROBLEM OR A FAULTY EGNITION SWITCH ON SEVERAL YEARS OF HUMMERS ,GM NEEDS TO RECALL THIS BECAUSE IS CAUSING LOTS OF EXPENSES TO A LOT OF PEOPLE INCLUDING ME

NHTSA ODI #11005593

22,000 miles · Feb 22, 2017
Electronic Stability Control (esc)EngineUnknown Or OtherCrash

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.

NHTSA ODI #10956371

7,000 miles · Jul 25, 2016
Electrical SystemEngineFire

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE THE VEHICLE WAS PARKED, THE KEY BECAME STUCK IN THE IGNITION AND COULD NOT BE REMOVED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION CYLINDER FAILED AND NEEDED TO BE REPLACED. THE DEALER MADE MANY ATTEMPTS TO REPAIR THE VEHICLE, BUT THE REMEDY FAILED. IN A…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE THE VEHICLE WAS PARKED, THE KEY BECAME STUCK IN THE IGNITION AND COULD NOT BE REMOVED. THE VEHICLE WAS TOWED TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION CYLINDER FAILED AND NEEDED TO BE REPLACED. THE DEALER MADE MANY ATTEMPTS TO REPAIR THE VEHICLE, BUT THE REMEDY FAILED. IN ADDITION, VARIOUS ELECTRICAL FUNCTIONS FAILED AND A BURNING ODOR WAS NOTICED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 7,000.

NHTSA ODI #10888240

140,000 miles · Jul 22, 2016
Engine

MY HUMMER STALLS AND DIES AT VARIOUS TIMES. THIS IS DANGEROUS AND KNOW ONE CAN SEEM TO TELL ME WHY IT DIES WHILE DRIVING. I TAKE GREAT CARE OF MY TRUCK AND ME I HAVE METAL SHAVINGS IN OIL. DYING IN AN INTERSECTION WITH CHILDREN IS DANGEROUS. THIS NEEDS TO BE ADDRESSED.

NHTSA ODI #10887638

103,306 miles · May 4, 2016
EnginePower Train

THE VEHICLE JUST LOST POWER AND ALMOST LOST IGNITION WHILE DRIVING 50 MILES AN HOUR. DIAGNOSTIC CODE STATE, MISFIRE IN CYLINDER ONE. VALVE SPRINGS ( ROCKER ARM) ARE BREAKING PREMATURELY CAUSING A LEAKING VALVE PROBLEM. MECHANIC ALSO NOTICED OTHER SPRINGS WERE FATIQUED CAUSING A LOOSER THAN NORMAL SEATING. GM SERVICE MANAGER MEN…

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THE VEHICLE JUST LOST POWER AND ALMOST LOST IGNITION WHILE DRIVING 50 MILES AN HOUR. DIAGNOSTIC CODE STATE, MISFIRE IN CYLINDER ONE. VALVE SPRINGS ( ROCKER ARM) ARE BREAKING PREMATURELY CAUSING A LEAKING VALVE PROBLEM. MECHANIC ALSO NOTICED OTHER SPRINGS WERE FATIQUED CAUSING A LOOSER THAN NORMAL SEATING. GM SERVICE MANAGER MENTION A SPRING PROBLEM ON 2006 2007 RENDEVOUS. ONE OF THE LARGEST COMPLAINTS WITH THE HUMMER 3 IS THIS LEAKY VALVE SYNDROM WHICH THE DEALERS KNOW ABOUT. SOME OCCURING WITH THE VEHICLE HAVING ONLY 30,000 PLUS MILES.

NHTSA ODI #10863255

110,488 miles · Apr 6, 2016
Electronic Stability Control (esc)Engine

BOUGHT 2007 HUMMER H3 AT THE END OF FEBRUARY AS IS IN CHICAGO AT NET MOTOR CARS ADDISON ILLINOIS FOR 14000 AND DROVE IT HOME 150 MILES AWAY AND WAS TOLD BY DEALER TO TAKE IT IN TO GM DEALER AND HAVE MY ABS SYSTEM FLASHED BY THEM AND ALL WARNING LIGHTS WILL GO AWAY GM POAGES HAD MY CAR FOR TWO WEEKS COST 560 DOLLARS TO REPAIR THE…

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BOUGHT 2007 HUMMER H3 AT THE END OF FEBRUARY AS IS IN CHICAGO AT NET MOTOR CARS ADDISON ILLINOIS FOR 14000 AND DROVE IT HOME 150 MILES AWAY AND WAS TOLD BY DEALER TO TAKE IT IN TO GM DEALER AND HAVE MY ABS SYSTEM FLASHED BY THEM AND ALL WARNING LIGHTS WILL GO AWAY GM POAGES HAD MY CAR FOR TWO WEEKS COST 560 DOLLARS TO REPAIR THEN A DAY LATER CHECK ENGINE LIGHT CAME ON TOOK IT TO A SHOP AND THEY SAID IF GM HAD IT CHECKING FOR CODES THEY SHOULD HAVE SEEN THE WIRE IF THEY HAD IT ON MACHINE LOOKING FOR CODES BECAUSE THAT WIRE HAD TO BE IN PLACE TO READ THE CODES SO HE TOLD ME TO TAKE IT BACK TO THEM TO REPAIR IT FOR FREE. I TOLD HIM NO FOR HIM TO GO AHEAD AND FIX IT FOR A HUNDRED BECAUSE IF I TAKE IT BACK TO GM POAGE WHAT OTHER TRICK DO THEY HAVE UP THERE SLEVE IF THEY FIX IT. SO HE DID AND IT SHOWED MULTIPLE MISFIRES AND A STEADY MISFIRE ON CYLINDER 5 TOLD THEM TO FIX IT COSTING 1929.90 CAR HAS BEEN IN TWO DIFFERENT SHOPS TWO WEEKS AT THE GM DEALER POAGE AUTO MALL IN DECATUR ILLINOIS VERY DISAPPOINTED ON THERE BEHAVIOR OF BEING SHADY IF THEY HAD IT HOOKED UP FOR TWO WEEKS ON A CODE READER WHY DIDN'T THEY SEE MISFIRES. WILL NEVER DO BUSINESS WITH THEM EVER THEY LOST A 2000 DOLLAR JOB AND MY FUTURE SERVICES LIKE CHANGING OIL ECT. THIS IS BAD BUSINESS. GETTING MY CAR THIS WEEK FROM SOUTH SHORES AUDO WHICH WILL HAVE MY BUSINESS IN THE FUTURE. GM OR AT LEAST DECATUR POAGES AUTO MALL SHOULD BE INVESTIGATED BY TRYING TO SCREW OVER A WOMAN AND WHO ELSE THEY CAN THEY PULLED WIRE SO I WOULD BRING BACK TO GET RADIO REPLACED AS I WAS BECAUSE I ONLY HAD SO MUCH MONEY TO REPLACE I THINK WHEN I WAS GOING TO BRING BACK IN FOR A REFURBISHED TRADE IN RADIO THEY WERE GOING TO INSTALL IT THEN HOOK WIRE BACK UP AND SURPRISE ME WITH THE MISFIRES AND A PROBABLY 3000 DOLLAR JOB. ALSO SOUTH SHORES AUTO TOLD ME NOTHING WRONG WITH RADIO

NHTSA ODI #10853892

Mileage unknown · Mar 14, 2016
Electronic Stability Control (esc)EnginePower Train

FIRST THE ENTIRE COMPUTER SYSTEM STOPPED WORKING. HAD TO REPLACE THR PCM. THEN MY BLOWER STARTED THROWING HOT AIR WHEN ON COLD. HAD TO INSTALL SEPARATE TO RESOLVE THAT ISSUE. HAD TO RE-BUILD THE TRANSMISSION TWICE DUE TO LEAK OF COOLANT INTO THE TRANSMISSION. THIS TRUCK HAS BEEN A NIGHTMARE SO FAR.

NHTSA ODI #10849661

Official recalls

2

15V421000 · 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

0

No exact-year investigations in this snapshot.