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
    - SAN ANTONIO, TX

    SMELLED RADIATOR FLUENT WHEN I PARKED INTO THE DRIVE WAY, POPPED THE HOOD AND SAW THAT THE LIQUID SPLASHED ALL OVER THE ENGINE AND PARTS AS WELL AS ON TOP OF THE PLASTIC FAN COVER, WHICH SEEMED ODD. COULDN'T FIND THE LEAK IN THE HOSE. LOOKED AT THE HUMMER FORUM THAT I'M A MEMBER OF AND LORD BEHOLD THERE WAS A BIG TOPIC OF RADIATORS CRACKING AND BREAKING IN THE SAME PLACES WITH THE 2007 MODELS. NO RECALL HAS BEEN ISSUED, SO NO RECALL HAS BEEN SUBMITTED. BUT IT'S A WELL KNOWN DEFECTIVE RADIATOR PROBLEM THAT GM KNOWS ABOUT BUT WON'T RECALL. SO THEY DECIDED TO MAKE A NEW RADIATOR THAT FIXES THE PROBLEM FOR THE 2007 HUMMERS. THE PROBLEM IS THE MIDDLE PIN THAT HOLDS THE RADIATOR RUBS THE NECK AND STARTS A CRACKED UNDER THE STYROFOAM, THUS THE RIGHT DRIVERS SIDE CRACKS IN THE SAME SPOT AS WELL ON THE PLASTIC SIDE. HUNDREDS OF H3 OWNERS HAD THIS HAPPEN TO THEM AND POST PICS AND WHAT NOT, BUT STILL NO RECALL. THIS PROBLEM IS ONGOING AND NOTHING IS BEING DONE. I HAVE SPOKE TO THE HUMMER CUSTOMER SERVICE AND THEY CONTACTED THE LOCAL GM AND THEY SCHEDULED MY SCHEDULED DATE TO TAKE MY H3 IN FEB 17 2014, @ 8 AM AT THE LOCAL GM DEALERSHIP AND HOPEFULLY THEY WILL FIX THIS ISSUE AND NOT CHARGED ME TO FIX DUE TO THE FACT THAT THEY KNOW THE PROBLEM AND HAVE DONE NOTHING TO FIX IT. BUT IT'S BEEN KNOW THAT THEY WILL NOT FIX THE RADIATOR AND THEY SAY IT'S DUE TO CLIMATE WHICH IS FALSE BECAUSE EVERY H3 OWNER HAS IT BREAK IN THE SAME PLACE, AND HAVE SUBMITTED COUNTLESS TICKETS. *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - STOUGHTON , WI

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING 25 MPH, SHE BEGAN TO SMELL PLASTIC BURNING UNDER THE DASHBOARD. THE CONTACT STATED THAT WHEN SHE STOPPED THE VEHICLE, SHE NOTICED THAT THE RESISTOR FOR THE MOTOR BLOWER HAD CAUGHT ON FIRE AND MELTED. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR INSPECTION. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 120,000.

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - RAVENNA, OH

    I WAS DRIVING ON THE EXPRESS WAY WHEN I NOTICED MY ENGINE REV REAL HIGH. I LOOKED AT THE RPM'S AND IT WAS ALMOST RED LINED. I LET OFF THE GAS IMEDIATLY AND CAME TO A SLOW CRAWL AND FOUND THAT IT WOULD NOT SHIFT OUT OF SECOND GEAR. PULLED IT OFF THE ROAD AND SHUT IT OFF TO GET OUT TO FIND THAT THERE WAS TRANSMISSION FLUID AND RADIATOR COOLANT POURING FROM THE TRANSMISSION. HAD IT TOWED TO A MECHANIC TO FIND OUT THAT THE RADIATOR WAS BAD WHICH CAUSED THE TRANSMISSION AND COOLANT TO MIX BETWEEN THE TWO. THIS CAUSING THE TRANSMISSION TO BE DESTROYED ALONG WITH THE RADIATOR. FOR THIS VEHICAL BEING THIS LOW ON MILES THIS SHOULD HAVE NEVER HAPPEND. GM HAS MADE A FAULTY RADIATOR AND SOMETHING NEEDS TO BE DONE. *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - SMYRNA, GA

    HIT POTHOLE ON I-285 AS EXITING ONTO RAMP FOR I-20 EXIT. BUMP WAS NOT THAT SEVERE BUT APPARENTLY FAULTY ROLLOVER SENSOR TRIGGERED BOTH SIDE AIRBAG DEPLOYMENT . *TR

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

    HAD PURCHASED VEHICLE 3 DAYS PRIOR FROM INDIVIDUAL. DROVE TO EL PASO TX1 APPROXIMATELY 80 MILES DROVE AROUND TOWN DOING ERRANDS. TRANSMISSION STARTED SLIPPING BADLY, I PULLED INTO A WAL-MART AND WENT TO CHECK THE TRANSMISSION FLUID. VEHICLE HAD A COMPRESSION TYPE DIPSTICK. WHEN I TOUCHED THE LEVER ON THE DIPSTICK IT SHOT UP APPROXIMATELY 8 INCHES AND SHOWERED MY RIGHT HAND WITH VERY HOT TRANSMISSION FLUID. THIS CAUSED SECOND DEGREE BURNS TO THE PALM AND FINGERS, THIS MADE A TRIP TO THE EMERGENCY ROOM NECESSARY. THE OWNER OF THE TRANSMISSION SHOP TOLD ME THAT IN HIS 20 YEARS IN THE BUSINESS HE HAD NEVER SEEN A TRANSMISSION GET SO HOT AS TO MELT THE FILTER. THIS ONE HAD MELTED THE FILTER. *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - KITTANNING, PA

    HERE ARE MULTIPLE ISSUES WELL DOCUMENTED ACROSS THE INTERNET OF HUMMERS HAVING AND ISSUE WITH THESE RESISTORS, AS WELL AS CHEVY COLORADOS. MY BLOWER QUIT A FEW MONTHS AGO, AND THE RESISTORS AND WIRING HARNESS ARE MELTED TO THE POINT OF CHARRING! THE NHTSA NEEDS TO INVESTIGATE THIS OR ARE YOU WAITING FOR AN ACTUAL FIRE TO CAUSE GM TO FIX THIS ISSUE? *TR

    Source: NHTSA WEB SITE
  • 2007 HUMMER H3
    - ROSEVILLE, CA

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE LOST ACCELERATION POWER. THE CONTACT TOOK THE VEHICLE TO THE DEALER WHERE IT WAS DETERMINED THAT THE VALVE SEALS IN THE SECOND AND FIFTH CYLINDER HEADS HAD FAILED. THE DEALER STATED THAT THE FIFTH CYLINDER HEAD WAS THE MOST DOMINANT AND CAUSED THE MAJORITY OF THE FAILURE. THE CONTACT STATED THAT BOTH CYLINDER HEADS HAD A 70 PERCENT LEAK. THE FAILURE WAS REPORTED TO THE MANUFACTURER. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 65,000 AND THE CURRENT MILEAGE WAS 80,000. *TR

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - JACKSON , WA

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING 50 MPH, EXHAUST FUMES FILLED THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS WHERE IT WAS ADVISED TO THE CONTACT THAT THE MANIFOLD GASKET NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATED FAILURE MILEAGE WAS 160,000. *TR

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - MONORE, MI

    TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE INTEGRAL CLIP TABS ON THE HOOD FRACTURED AND LOOSENED. THE VEHICLE WAS REPAIRED UNDER NHTSA CAMPAIGN NUMBER: 10V179000 (STRUCTURE) BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 39,462 AND THE CURRENT MILEAGE WAS 51,000. *TR

    Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE
  • 2007 HUMMER H3
    - LYNDEN, WA

    THE ANTI-THEFT PASSLOCK SYSTEM IS FAULTY AND WILL NOT LET ME START MY CAR. IT HAS HAPPENED TWICE SINCE I GOT THE CAR IN DECEMBER OF LAST YEAR. GOING ON-LINE TO SEE WHAT TO DO ABOUT IT MADE ME AWARE OF THE OVERWHELMING AMOUNT OF GM CAR OWNERS THAT THIS HAS AFFECTED. SOME BEING STRANDED FOR HOURS AND DAYS OF NOT BEING ABLE TO START THEIR CARS DUE TO THE FAULTY PASSLOCK SYSTEM. IT IS HAPPENING TO ALL MAKES AND MODELS OF GM CARS. I CALLED GM AND THEY WEREN'T INTERESTED IN DOING ANYTHING ABOUT THE PROBLEM UNLESS YOU FORCE THEM TO. PLEASE CHECK INTO THIS AND HELP THOSE OF US WHO GET STRANDED IN PLACES (SOMETIMES SCARY PLACES) BECAUSE OUR CAR WON'T START. THANK YOU. *TR

    Source: NHTSA WEB SITE