HUMMER Complaints

44,000 MILES CHECK ENGINE LIGHT CAME ON . TOOK TO DEALER I HAD A CYLINDER 5 MISFIRE CODE P300 COUPLE THOUSAND MILES LATER MY TRUCK WAS STILL SHOWING MULTIPLE MISFIRES. I HAD TO REPLACE THE RADIATOR BECAUSE IT WAS LEAKING AND THERMOSTAT AT 46,000, APRIL 2011 AT 65,000MILES MY TRANSMISSION WENT OUT COMPLETELY AND HAD TO BE REPLACED JULY 2012 AIR STOP WORKING TOOK TO DEALER THEY SAID I HAD TO REPLACE THE FAN BLOWER MOTOR RESISTOR. RESEARCHED AND FOUNDED THIS WAS A KNOWN PROBLEM FOR HUMMERS THE MOTOR GETS TO HOT AND MELT CAUSING THE FAN BLOWER TO GO OUT . SEVERAL MONTHS LATER CHECK ENGINE LIGHT CAME ON SEVERAL MORE TIMES TOOK TO THE DEALER SAID THEY COULDN'T FIND PROBLEM AND CLEARED CODE MY CHECK ENGINE LIGHT CAME ON AGAIN SO I TOOK TO AUTO ZONE DIAGNOSTIC SHOWED CYLINDER 5 COIL MULTIPLE MISFIRE SO I HAD SPARK PLUGS CHANGED ALONE WITH ALL FIVE IGNITION COILS. COUPLE MONTHS LATER CHECK ENGINE LIGHT CAME ON AGAIN TOOK IT TO DEALER DIAGNOSTIC TEST REVEAL CODE PO 300 AGAIN AND COUPLE OTHER CODES DEALER SAID MY TRUCK HAD AN EMISSION LEAK. MULTIPLE MISFIRE ,CYLINDER 5 AND A SMALL CRACK IN THE HEAD. I DIDN'T UNDERSTAND HOW THAT MAGICALLY HAPPEN. I PAID THE DEALER TO FIX THIS ON MARCH 2014. A WEEK LATER CHECK ENGINE LIGHT CAME ON AGAIN . TOOK TO DEALER DIAGNOSTIC SHOWED EMISSION LEAK APPARENTLY THEY DIDN'T FIX IT THE FIRST TIME. WEEK LATER CHECK ENGINE LIGHT CAME ON AGAIN TOOK TO DEALER AND DIAGNOSTIC TEST REVEAL TORQUE CONVERTER CLUTCH SOLENOID .DEALER SAID I NEED TRANSMISSION REPLACED. I'M CONFUSED AT THIS POINT THE DEALER PUT A NEWTRANSMISSION 3 YEARS PRIOR .MY TRUCK HAS NEVER BEEN OVER THE ROAD. I ONLY DRIVE LOCALLY. NOW AT 103,000 MILES THE DEALER IS SAYING I NEED ANOTHER TRANSMISSION . SOMETHING IS NOT RIGHT HERE. AFTER RESEARCHING I'VE FOUND THOUSAND OF HUMMER OWNERS EXPERIENCING THE SAME PROBLEMS I'VE EXPERIENCED. SOMETHING NEEDS TO BE DONE TO PROTECT CONSUMERS. *TR

LEARNED THAT OUR VEHICLE WAS KNOWN TO GM IN 2008 THAT THEY HAD A DESIGN DEFECT THAT CAUSED PISTONS TO FAIL. THE CHECK ENGINE LIGHT CAME ON, WE WENT TO GM DEALERSHIP, CALLED THEIR CORPORATE OFFICES AFTER LEARNING THE KNEW OF THE PISTON DEFECT SINCE AT LEAST 2008. I'M SURE THEY HAVE REPLACED MILLIONS OF PISTONS DURING WARRANTY BUT THE COST OF REPLACEMENT IS $5000. WE LEASED THIS VEHICLE FOR 3 YEARS AND ARE PURCHASING IT. GM REFUSED TO ASSIST US IN FIXING THIS ISSUE. THEY ARE DISHONEST AND UNPROFESSIONAL. HOW MANY VEHICLES IN THE US HAVE PISTON FAILURES AS A DESIGN DEFECT? THEY SHOULD HAVE ISSUED A RECALL. *TR

I OWN A 2007 HUMMER H3 WITH 66000 MILES ON IT. IT HAS BEEN DIAGNOSED AS HAVING A BAD HEAD DUE TO THE USE OF SOFT METALS FOR THE CYLINDER SLEEVE. DUE TO THIS, THERE IS SUDDEN REDUCED POWER. THE COST OF THIS FIX IS ABOUT $4500.00. MY TRUCK BEGAN WITH A CHECK ENGINE LIGHT ON (AUTOZONE) SAID IT WAS A MISFIRE ON CYLINDER #5. I WENT TO THE LOCAL DEALER AND ASKED THEM TO LOOK AT THE TRUCK. THEY DIAGNOSED IT AS A #5 CYLINDER HAVING THE COMPRESSION LEAK OF 90%. IN LOOKING ON THE INTERNET (AT HUMMER FORUMS), I OBSERVED THAT QUITE A FEW HUMMER H3 OWNERS WERE WRITING IN ABOUT THEIR EXPERIENCE WITH MISFIRES AND BAD HEADS, AT ABOUT THE SAME MILEAGE. I THINK THIS NEEDS TO BE LOOKED INTO AND THAT GM SHOULD BE ORDERED TO DO A RECALL. THIS IS THE SAME PROBLEM THEY HAD WITH THE 3.5L ENGINES THEY USED IN THEIR PRE-2007 HUMMER H3 AND COLORADO. I AM GOING TO WRITE MY CONGRESS REP AND ASK THAT WITH THE PROBLEMS THAT GM IS HAVING RIGHT NOW, THAT THIS ALSO BE MOVED FORWARD AND THAT THEY ORDER AN INVESTIGATION. ANY OTHER HUMMER H3 OWNERS WITH THE SAME PROBLEMS SHOULD DO THE SAME THING. *TR

THE VEHICLE WAS PURCHASED USED ON A SATURDAY WITH THE DEALERSHIP NOT ADVISING US THERE WERE ANY ISSUES. THE NEXT DAY WE HEADED TO THE LAKE AND 20 MINUTES LATER WE WERE SITTING ON THE SIDE OF THE ROAD. THE VEHICLE WAS IDLING VERY HARD WITH RPM GOING CRAZY. NOW OVER A YEAR AND SEVERAL VISITS TO THE SHOP LATER WE ARE STILL EXPERIENCING THE SAME ISSUE. WHEN THE VEHICLE IS INITIALLY TURNED ON IT WILL NOT MOVE. IT HAS TO SIT FOR ABOUT 3 MINUTES WITH THE ENGINE LIGHT FLASHING. IF YOU TRY TO PUSH THR GAS NOTHING HAPPENS. THE VEHICLE IDLES VERY HARD. IT IS ONLY FIRING ON 4 CYLINDERS AND THE DEALERSHIP SAYS THAT GM IS AWARE OF THE ISSUE. THEY SAID IT IS A "BAD BATCH" AND WILL JUST HAVE TO KEEP REPLACING THE HEAD TO FIX THE PROBLEM. THIS IS NOT FAIR TO THE CONSUMER AND NEEDS TO BE ADDRESSED BY GM. *TR

TL* THE CONTACT OWNS A 2006 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT CRASHED INTO A TREE AND THE VEHICLE WAS DESTROYED. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES TO THE LEFT ARM AND CHEST. A POLICE REPORT WAS FILED AT THE SCENE. THE VEHICLE WAS NOT INSPECTED TO DETERMINE THE CAUSE OF THE AIR BAG DEPLOYMENT FAILURE. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 40,000.

TL* THE CONTACT OWNS A 2008 HUMMER H3. THE CONTACT STATED WHILE ATTEMPTING TO TURN THE VEHICLE OFF THE KEY BECAME STUCK INSIDE THE IGNITION SWITCH AND THE CONTACT WAS UNABLE TO TURN THE VEHICLE OFF. THE VEHICLE WAS TAKEN TO THE DEALER BUT THE DEFECT COULD NOT BE DUPLICATED AND NO REPAIRS WERE PERFORMED. THE CONTACT STATED THAT THE DEFECT CONTINUED TO OCCUR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 38,000.

WHILE DRIVING AT 45MPH ALL SYSTEMS SHUT OFF. NO POWER STEERING NOTHING. THE CAR WOULD NOT RESTART. THIS HAPPENED MULTIPLE TIMES WITH OUT WARNING. *TR

I WAS TRAVELING TO WORK ON A RESIDENTIAL STREET AT 5AM WHEN I NOTICED A SMELL AND SAW A GLOW COMING FROM UNDER MY DASHBOARD. WHEN I COULD STOP I NOTICED IT WAS A FIRE. THE FIRE DID PUT ITSELF OUT BUT THE FIRE DEPARTMENT WAS CALLED AND THEY ADVISED ME NOT TO DRIVER THE VEHICLE. I DID REPORT THIS TO GM AND THEY ADVISED ME THEY COULD NOT HELP ME WITH THE REPAIRS AND THERE IS CURRENTLY NOT A RECALL. *TR

MY CAR BEGAN SHOW THE PASSLOCK DISABLING SYSTEM LIGHT AND THEN FAILING TO START. AFTER STARTING, IT WOULD THEN SHOW THE AIR BAG WARNING LIGHTS FOR A PERIOD THAT MIGHT BE SEVERAL MINUTES TO SEVERAL DAYS BEFORE GOING OUT AGAIN. THIS CYCLE HAPPENED AT RANDOM TIMES DISABLING THE AUTO WITHOUT WARNING AND IN SOME DANGEROUS SITUATIONS. IT IS A WELL KNOWN AND PUBLICIZED PROBLEM THAT GM HAS CHOSEN TO IGNORE. I HAVE SOLVED THE PROBLEM BY HAVING PASSLOCK DISABLED AND IGNORING THE AIR BAG WARNING LIGHT WITH THE ASSUMPTION IT IS A FALSE WARNING. THESE RECENT EVENTS HAVE ME RECONSIDERING THAT ACTION, BUT THE COST OF HAVING THE PROBLEM RECTIFIED WOULD BE MORE THAN I COULD AFFORD. *TR

I WAS SITTING IN THE LINE AT MY SON'S SCHOOL, BEEN SITTING THERE 2 - 3 MINUTES, AND I SMELLED COOLANT. LOOKED AT MY GAUGE AND IT WAS RIDING JUST BELOW MID-POINT....NORMAL. GOT MY SON AND STARTED HOME. SITTING AT THE RED LIGHT, I SMELLED COOLANT AGAIN. THIS TIME I KNEW IT WAS MY CAR. WE WENT TO A SERVICE STATION AND ASK IF SOMEONE COULD CHECK TO SEE IF WE HAD A LEAK. THEY PULLED MY H3 INTO THE BACK AND HOOKED UP A PRESSURE "TOOL" TO THE RADIATOR AND LOW AND BEHOLD, BUT A HAIRLINE CRACK ON THE UPPER DRIVER'S SIDE OF THE RADIATOR. THE MECHANIC LAUGHED AND SAID I WAS THE 2ND ONE THIS WEEK AND THE 6TH ONE SINCE THEY OPENED 6 MONTHS AGO. HE SAID THAT H3S WERE KNOWN TO HAVE RADIATOR ISSUES BECAUSE THE RADIATORS WERE PLASTIC! SERIOUSLY...PLASTIC! I WAS GIVEN A QUOTE OF $1,100 TO REPLACE THE RADIATOR WITH ANOTHER PLASTIC ONE AND THAT WOULD GIVE ME A 2 YEAR OR 24,000 MILE WARRANTY. I BROUGHT THE TRUCK BACK TO MY HOUSE SO MY HUSBAND COULD LOOK AT IT. I DID SOME RESEARCH ON THE INTERNET AND IT SEEMS THAT THIS IS A WELL KNOWN PROBLEM WITH HUMMERS AND YET GM HAS NOT DONE A RECALL. I FOUND A NUMBER FOR HUMMER CUSTOMER SERVICE AND CALLED THEM. WHEN I TOLD THE MAN THAT ANSWERED I HAD COOLANT LEAKING, HE SAID "OH, GIVE ME YOUR ZIP CODE AND I WILL FIND A LOCAL DEALERSHIP THAT CAN REPLACE THE RADIATOR." NO QUESTIONS...HE KNEW WHAT THE PROBLEM WAS ALREADY. HE WENT ON TO SAY THAT WE WOULD HAVE TO "INVEST" IN A DIAGNOSTIC AND IF THE DEALERSHIP DETERMINED IT WAS A MANUFACTURERS DEFECT, THAT HUMMER MIGHT "PARTICIPATE" IN THE REPAIR COSTS. I WOULD THINK WITH THIS BEING SUCH A COMMON PROBLEM, A RECALL WOULD BE IN ORDER AND POSSIBLY A REPLACEMENT RADIATOR THAT ISN'T PLASTIC! *TR