2007 HUMMER H3 Complaints

View complaints related to 2007 HUMMER H3. The complaints found here are submitted by actual consumers with first hand experience. There are more than 230 complaints submitted for the 2007 HUMMER H3. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.

  • 2007 HUMMER H3
    - NEWINGTON, CT

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT WAS TRAVELING 40 MPH WHEN WHITE STEAM EMITTED FROM THE ENGINE. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC. THE MECHANIC CONFIRMED THAT THE RADIATOR SEAL WAS CRACKED. THE MANUFACTURER WAS CONTACTED. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 65,370 AND THE CURRENT MILEAGE WAS 77,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - VALATIE, NY

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WAS TURNED OFF AND THE BRAKES WERE ENGAGED WHEN THE VEHICLE BEGAN TO ROLL AWAY IN REVERSE. THE CONTACT WAS ABLE TO STOP THE FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER AND THE MANUFACTURER WAS MADE AWARE OF THE ISSUE BUT THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 54,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - EVANSVILE, IN

    MY VEHICLE HAS A VERY COMMON ISSUE WITH A FAULTY RESISTOR/WIRING HARNESS ON THE BLOWER MOTOR. THERE IS A SAFETY RECALL FOR THE SAME PROBLEM ON OTHER GM TRUCKS & VEHICLES AND THE PROBLEM IS WIDELY KNOWN/REPORTED ON THE INTERNET. FOR SOME REASON GM REFUSES TO ISSUE/FIX THIS RECALL FOR THE HUMMER H3? THE PROBLEM CAUSES THE WIRING TO GET SO HOT TO MELT THE INSULATION, WHICH COULD CAUSE A FIRE. I PARK MY VEHICLE IN AN ATTACHED GARAGE. *TT

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - TAYLOR, TX

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH, THE ENGINE STALLED WITHOUT WARNING AND RESTARTED. THE FAILURE OCCURRED FOUR TIMES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSIS AND THEY WERE UNABLE TO DUPLICATE OR DETERMINE THE CAUSE OF FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - HIGH ROLLS , NM

    EVER SINCE I PURCHASED THIS VEHICLE, THE VEHICLE HAS STALLED AT BETWEEN 25MPH AND 0. I WORK FOR THE US CENSUS BUREAU, PERMANENT WORKER AND I TRAVEL THROUGH ALL TYPES OF WEATHER CONDITIONS IN A DAY, FROM 9,000 FT MOUNTAINS COVERED IN SNOW TO DESERT GRAVEL ROADS, MESAS, CLIFFS. OVER THE PAST TWO YEARS THE VEHICLE HAS SHUT OFF WHILE TRAVERSING MOUNTAIN ROADS COVERED IN SNOW WITH NO GUARD RAILS, AND THREE TIMES, WHEN THE ENGINE SHUT OFF, I LOST STEERING AND CAME WITHIN INCHES OF GOING OFF THE SIDE (CLIFFS) OF THESE ROADS, NOT TO MENTION IN TOWN, WHEN MY ENGINE SHUTS OFF AS I DRIVE, I HAVE COME CLOSE TO HITTING OTHER VEHICLES OR POLES AS I LOSE POWER STEERING ON A TURN.. I HAVE TO DRIVE ABOUT 90 MILES ONE WAY TO GET IT SERVICED, WHILE UNDER WARRANTY, I HAD IT "REPAIRED" ABOUT FIVE TIMES, NO SUCCESS, ONCE WARRANTY EXPIRED, GM DEALERS 90 MILES AWAY WERE STILL WILLING TO INSPECT VEHICLE SINCE PROBLEMS STARTED WHILE UNDER FULL GM WARRANTY, BUT NOW, THEY REFUSE TO GIVE ME A RENTAL AND TELL ME THEY DO NOT KNOW WHAT THE PROBLEM IS. MY LOCAL GM DEALER (ALAMOGORDO) REFUSES TO INSPECT VEHICLE AND THUS I AM REQUIRED TO MAKE A 180 MILE ROUND TRIP, BUT NOW, EVEN DEALER TELLS ME THEY DO NOT KNOW WHAT THE ISSUE IS AND THEY CANNOT REPRODUCE THE PROBLEM IN THE SHOP. I TOOK ABOUT 6 VIDEOS WITH MY DROID AFTER THE PROBLEM HAPPENS, BECAUSE THE PROBLEM LINGERS FOR ABOUT 15 MINUTES, THEN IT STOPS AND THE VEHICLE WORKS FINE. THE VIDEOS HOW THE RPM'S GOING UP AND DOWN, UP AND DOWN, UNTIL THE CAR SHUTS OFF, I RESTART IT, THEN IT SHUTS OFF AGAIN, OVER AND OVER AGAIN. PROBLEMS USUALLY APPEAR IN THE AM, AS I DRIVE OFF FOR THE FIRST TIME, BEFORE IT IS DRIVEN A GOOD DISTANCE, BUT CAN AND HAS HAPPENED AT ANY MOMENT. VERY DANGEROUS AND I DO NOT FEEL SAFE EACH MORNING AS I LEAVE MY MOUNTAIN HOME, ESPECIALLY IN COLD SNOW WEATHER. *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - EASTON, MD

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHEN MAKING A RIGHT TURN, THE VEHICLE WOULD MAKE A HARD PUMPING SOUND. THE DEALER DIAGNOSED NO FAILURE WITH THE VEHICLE, BUT THE CONTACT BELIEVES THERE WAS AN AXLE ISSUE. THE MANUFACTURER WAS NOT CONTACTED AND THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 36,500 AND THE CURRENT MILEAGE WAS 37,000. THE VIN WAS UNAVAILABLE.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - MILFORD, NY

    OWN 2007 H3 HUMMER. TPM MONITOR HAS BEEN GOING OFF SINCE 15,000 MILES. HAS BEEN TO DEALER 5 TIMES AND THEY JUST KEEP RE-SETTING TPM. TIRE PRESSURES NORMAL. NOW 60,000 AND SERVICE TPM STILL FLASHING ON DASH. TIRE SIZE 265/75/16 GOODYEAR WRANGLER RT/S. TIRES ARE CRACKED AROUND RIM AND SIDEWALL THERE IS NO DOT NUMBER ON ANY TIRE!!!. NEW ONES ON ORDER. *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - FLORIDA, FL

    HVAC BLOWER FAN HARNESS/CONECTOR BURNT FAN NO OPERATING FOUND FIX ON HUMMER FORUM. *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - TOLEDO, OH

    EVERY TIME IT RAINS THE SUNROOF FILLS WITH WATER AND POURS FROM THE ONSTAR SPEAKER, THE TOP OF THE CAR, AND THE SIDES ONTO MY FEET. *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - IRVINE, TX

    TL*THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED WHILE DRIVING 35 MPH, THE SIDE AIR BAGS DEPLOYED WITHOUT PROVOCATION. THE DRIVER SUFFERED BRUISING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY INFORMED IT WOULD TAKE BETWEEN TWENTY AND THIRTY DAYS TO EXAMINE THE VEHICLE. THE FAILURE WAS BELIEVED TO BE DUE TO FAULTY SIDE AIR BAG SENSORS. THE MANUFACTURER WAS NOTIFIED AND STATED THEY WOULD SEND A REPRESENTATIVE TO THE DEALER WITHIN THE NEXT TWENTY TO THIRTY DAYS TO INSPECT THE VEHICLE. THE VEHICLE WAS REPAIRED FOR ROUTINE MAINTENANCE TWO WEEKS PRIOR TO THE FAILURE. THE CONTACT ALSO STATED THEY WERE UNSURE WHETHER THE FAILURE WOULD BE COVERED UNDER WARRANTY. THE FAILURE MILEAGE WAS 98,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE