← New search

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

What owners actually said

237 reports
90,000 miles · Oct 18, 2015
Electrical SystemElectronic Stability Control (esc)

I'VE HAD ELECTRICAL CONCERNING THE FACTORY AND AFTER MARKET ALARM SYSTEM THAT THE DEALER INFLUENCED ME TO BUY. I'VE HAD SOME SORT OF SHORT CAUSING TO HAVE IT TOWED TO DEALER SEVERAL TIMES, I NEVER GOT A COMPLETE UNDERSTANDING OR REASONING FOR THE PROBLEM. NOW MY AIR CONDITION BLOWER STOPPED WORKING AND I WAS NOT INFORMED OF T…

Read full complaint

I'VE HAD ELECTRICAL CONCERNING THE FACTORY AND AFTER MARKET ALARM SYSTEM THAT THE DEALER INFLUENCED ME TO BUY. I'VE HAD SOME SORT OF SHORT CAUSING TO HAVE IT TOWED TO DEALER SEVERAL TIMES, I NEVER GOT A COMPLETE UNDERSTANDING OR REASONING FOR THE PROBLEM. NOW MY AIR CONDITION BLOWER STOPPED WORKING AND I WAS NOT INFORMED OF THE RECALL FOR MY CAR FROM THE MANUFACTURER OR THE DEALER. AFTER CONTACTING DEALER THAT I BOUGHT THE CAR FROM WAS INFORMED THAT THERE WASN'T A FIX FOR THE PROBLEM

NHTSA ODI #10783114

125,000 miles · Oct 9, 2015
Electrical SystemFire

OUR 2007 HUMMER H3'S AIR CONDITIONING STOPPED WORKING IN MAY, 2014. WE TOOK IT TO OUR MECHANIC AND THEY FOUND BURNED/MELTED WIRES AND COMPONENTS RELATED TO THE BLOWER RELAY. THEY REPLACED PARTS AND WIRES TO RETURN THE A/C TO WORKING ORDER. RECENTLY, WE RECEIVED THE RECALL NOTICE RELATED TO THIS HAZARD, BUT GM DOESN'T HAVE A S…

Read full complaint

OUR 2007 HUMMER H3'S AIR CONDITIONING STOPPED WORKING IN MAY, 2014. WE TOOK IT TO OUR MECHANIC AND THEY FOUND BURNED/MELTED WIRES AND COMPONENTS RELATED TO THE BLOWER RELAY. THEY REPLACED PARTS AND WIRES TO RETURN THE A/C TO WORKING ORDER. RECENTLY, WE RECEIVED THE RECALL NOTICE RELATED TO THIS HAZARD, BUT GM DOESN'T HAVE A SOLUTION YET. TODAY, THE SELECTOR ON THE A/C HAS STOPPED WORKING. WE HAVE A SERIOUS CONCERN THAT WIRES AND COMPONENTS MIGHT BE BURNING AGAIN. WE HAVE STOPPED DRIVING THE CAR. HOW CAN GM GET AWAY WITH THIS DANGEROUS HAZARD AND NOT FIX OUR CAR? I SEE SO MANY COMPLAINTS ON THIS WEBSITE RELATED TO THIS ISSUE. WHAT OTHER AGENCY OF THE GOVERNMENT CAN INFLUENCE THE CAR MANUFACTURER TO REMEDY THIS POTENTIALLY-DEADLY DEFECT?

NHTSA ODI #10781084

Mileage unknown · Oct 7, 2015
Visibility

2007 HUMMER H3. CONSUMER WRITES IN REGARDS TO VEHICLE CONNECTOR MODULE THAT CONTROLS THE BLOWER MOTOR SPEED IN THE AIR CONDITIONER/ HEATER SYSTEM RECALL NOTICE. *SMD THE CONSUMER STATED THE CONNECTOR MODULE THAT CONTROLLED THE BLOWER MOTOR SPEED IN THE HVAC SYSTEM OVERHEATED UNDER EXTENDED OPERATIONAL PERIODS AT HIGH AND…

Read full complaint

2007 HUMMER H3. CONSUMER WRITES IN REGARDS TO VEHICLE CONNECTOR MODULE THAT CONTROLS THE BLOWER MOTOR SPEED IN THE AIR CONDITIONER/ HEATER SYSTEM RECALL NOTICE. *SMD THE CONSUMER STATED THE CONNECTOR MODULE THAT CONTROLLED THE BLOWER MOTOR SPEED IN THE HVAC SYSTEM OVERHEATED UNDER EXTENDED OPERATIONAL PERIODS AT HIGH AND MEDIUM SPEEDS. IT WAS REPLACED AT A COST OF $165.00 AND THE CONSUMER IS SEEKING REIMBURSEMENT. *JB

NHTSA ODI #10805772

140,000 miles · Oct 7, 2015
Engine

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY) AND STATED THAT THE PARTS NEEDED FOR THE REPAIR WERE NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF…

Read full complaint

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY) AND STATED THAT THE PARTS NEEDED FOR THE REPAIR WERE NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME TO THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 140.000.

NHTSA ODI #10780671

Mileage unknown · Oct 7, 2015
Visibility/wiper

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY); HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS AWARE OF THE ISSUE. THE CO…

Read full complaint

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY); HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.

NHTSA ODI #10780505

3,540 miles · Oct 6, 2015
Electrical SystemUnknown Or Other

3-4 MONTHS AGO MY A/C UNIT STARTED MAKING A LOUD NOISE WITH A BURNING SMELL WHEN I WOULD PUT MY A/C SWITCH ON LEVEL 3 OR 4. IT WOULD SOUND LIKE IF MY A/C UNIT WAS GOING TO BLOW UP. THE NEXT DAY I RECEIVED A RECALL LETTER FROM THE HUMMER COMPANY DESCRIVING THE SAME SYMPTOMS MY H3 A/C UNIT IS HAVING.I CALLED THE HUMMER COMPANY AN…

Read full complaint

3-4 MONTHS AGO MY A/C UNIT STARTED MAKING A LOUD NOISE WITH A BURNING SMELL WHEN I WOULD PUT MY A/C SWITCH ON LEVEL 3 OR 4. IT WOULD SOUND LIKE IF MY A/C UNIT WAS GOING TO BLOW UP. THE NEXT DAY I RECEIVED A RECALL LETTER FROM THE HUMMER COMPANY DESCRIVING THE SAME SYMPTOMS MY H3 A/C UNIT IS HAVING.I CALLED THE HUMMER COMPANY AND ASKED THEM HOW LONG IS GOING TO TAKE FOR THEM TO FIX THIS PROBLEM THEY STATED IN A VERY RUDE MANNER THAT THEY WILL FIX IT WHEN EVER THEY GET THE PART. THIS IS THE WORST EXPERIENCE EVER I . I ASKED THEM IF IT CAN TAKE MORE THAN A YEAR AND THEY RESPONDED WE DO NOT KNOW. I GOT VERY UPSET BECAUSE ITS NOT FAIR THAT I SPEND A LOT OF MY MONEY TO BUY MY H3 AND IF ITS A RECALL WHY THEY DONT HELP ME TO FIX MY PROBLEM, I EXPLAIN TO THEM THAT THE WEATHER IN TEXAS IS VERY HOT AND I BEEN WITHOUT A/C SINCE AND THEY DONT CARE. THIS IS NOT FAIR PLEASE HELP ME OUT. I DONT EVEN KNOW WHAT TO DO ANYMORE, PLEASE ADVISE. HELP!!!!!!!!

NHTSA ODI #10780414

139,000 miles · Oct 6, 2015
Equipment

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING APPROXIMATELY 20 MPH, THE AIR CONDITIONER BLOWER SEIZED. THE FAILURE OCCURRED NUMEROUS TIMES. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 139,000.

NHTSA ODI #10780249

Mileage unknown · Oct 6, 2015
Visibility/wiper

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTA…

Read full complaint

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.

NHTSA ODI #10780067

97,000 miles · Oct 2, 2015
Fuel/propulsion SystemUnknown Or Other

OUR 2007 H3 HAD CRACKED RADIATOR WITH HOSE LEAKING COOLANT CAUSING THE OVERHEATING. WE HAVE NEVER DRIVEN THE VEHICLE OFF-ROADING AND NO WARNING LIGHT WAS DISPLAYED FOR THIS ISSUE. INSTEAD, WE BROUGHT IT IN FOR A DIFFERENT ISSUE WITH THE FUEL LINE AND DISCOVERED THE CRACKED RADIATOR, WHICH COULD HAVE CAUSED A BIGGER PROBLEM IF …

Read full complaint

OUR 2007 H3 HAD CRACKED RADIATOR WITH HOSE LEAKING COOLANT CAUSING THE OVERHEATING. WE HAVE NEVER DRIVEN THE VEHICLE OFF-ROADING AND NO WARNING LIGHT WAS DISPLAYED FOR THIS ISSUE. INSTEAD, WE BROUGHT IT IN FOR A DIFFERENT ISSUE WITH THE FUEL LINE AND DISCOVERED THE CRACKED RADIATOR, WHICH COULD HAVE CAUSED A BIGGER PROBLEM IF IT HAD GONE UNDISCOVERED FOR LONGER PERIOD OF TIME.

NHTSA ODI #10779356

Mileage unknown · Sep 29, 2015
Unknown Or Other

INTERMITTENTLY WILL CRANK BUT WILL NOT START. HOWEVER, IT WILL START AFTER A 10 MINUTE (NO LESS) WAITING PERIOD. THIS HAPPENS AT VARIOUS TIMES OF DAY, VARIOUS OUTSIDE TEMPERATURES, AND WITH FIRST MORNING STARTS OR AFTER DRIVING AND SHUTTING DOWN FOR ANY LENGTH OF TIME. THIS IS EXTREMELY INCONVENIENT, TO SAY THE LEAST, WHEN IT O…

Read full complaint

INTERMITTENTLY WILL CRANK BUT WILL NOT START. HOWEVER, IT WILL START AFTER A 10 MINUTE (NO LESS) WAITING PERIOD. THIS HAPPENS AT VARIOUS TIMES OF DAY, VARIOUS OUTSIDE TEMPERATURES, AND WITH FIRST MORNING STARTS OR AFTER DRIVING AND SHUTTING DOWN FOR ANY LENGTH OF TIME. THIS IS EXTREMELY INCONVENIENT, TO SAY THE LEAST, WHEN IT OCCURS WHILE ON TIME RESTRAINTS OR DURING AN EMERGENCY SITUATION (I.E. 10 MINUTES IS TOO LONG TO WAIT WHEN TRYING TO GET TO A HOSPITAL WHERE A LOVED ONE/FAMILY MEMBER IS CLINGING TO LIFE)

NHTSA ODI #10778349

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.