2004 HUMMER H2 SPEEDOMETER QUIT FUNCTIONING COMPLETELY THE STARTED WORKING AGAIN BUT VERY ERRATICALLY, READING IMPROPER SPEEDS AT ALL SPEEDS INCLUDING REGISTERING 60 MPH WHILE AT A STOP. PROBLEM HAS BEEN OCCURRING SINCE 10/15/06. NOT A SAFE SITUATION. *NM
2004 Hummer H2 complaints
Owner reports filed with NHTSA about this vehicle, newest first and reproduced as filed. They are unverified accounts: one proves nothing, and a pattern across many is the thing worth reading. Back to the full 2004 record →
THE POWER RETRACT MECHANISM IN BOTH OUTSIDE REAR VIEW MIRRORS HAVE FAILED MULTIPLE TIMES. AFTER FAILURE, THE MIRRORS CAN BE BLOWN INWARD AT HIGH SPEEDS CAUSING UNEXPECTED VIEWING PROBLEMS WHEN USED DURING OPERATION.. THE MIRRORS CAN ALSO EXHIBIT HIGH VIBRATIONS WHICH MAKE THEM DIFFICULT TO USE DURING OPERATION. IT IS FELT THAT THESE PROBLEMS COULD CONTRIBUTE TO AN ACCIDENT. *NM
THE 2 BRAIDED STEEL HOOD SUPPORT STRAPS EXHIBIT PREMATURE CORROSION WITHIN THE RUBBER COVERS CAUSING PREMATURE FAILURE WHICH MAY CAUSE AN INJURY DURING THE UNEXPECTED FAILURE WHEN THE HOOD IS OPENED BY USER. THE RUBBER COVERS HIDE THE CORROSION PROBLEM UNTIL FAILURE OCCURS. *NM
DT: 2004 GMC HUMMER THE CONSUMER STATES HE HAD TO MAKE AN EMERGENCY STOP AND THE BRAKES WENT ALMOST TO THE FLOOR. THE VEHICLE WAS TAKEN TO THE DEALERSHIP AND THEY COULD NOT FIND ANYTHING WRONG WITH IT. THE CONSUMER TRIED TO DUPLICATE THE PROBLEM HIMSELF AND IT DID THE SAME THING AGAIN. HE FEELS IT WILL NOT STOP IN TIME DURING AN EMERGENCY. THE MANUFACTURER TOLD THE CONSUMER TO TAKE THE VEHICLE TO THE DEALERSHIP. THIS ALMOST CAUSED AN ACCIDENT. THE BRAKES FAIL EVERY TIME THE CONSUMER NEEDS TO MAKE AN EMERGENCY STOP. *NM
DT: POWER STEERING LEAKS; NO WARNING NOTICE ( NO LIGHTS CAME ONE IN THE VEHICLE ON INDICATING THAT THE FLUID WAS LOW. THE PEOPLE WHO TOWED THE VEHICLE SAID IF SHE HAD LOST CONTROL SHE WOULD NOT HAD BEEN ABLE TO CONTROL THE VEHICLE BECAUSE THE PS WOULD HAVE GONE OUT ON THE VEHCILE. HAD IT IN 8 OR 9 TIMES FOR THE AIR CONDITIONING NOT WORKING CORRECTLY. *AK
(2)SAFETY EQUIPMENT DEFECT...POWER FOLDING MIRRORS ON 2004 H2 HUMMER FAIL TO REPOSITION PROPERLY AND WILL NOT STAY IN PLACE RELIABLY. CONSEQUENCES FROM THIS DEFECT MAY LEAD TO ACCIDENTS OR INJURIES DUE TO UNEXPECTED CHANGE OF REAR VIEWING AREAS. (3)ARRANGEMENTS WERE MADE WITH SERVICE DEPARTMENT TO REPAIR WITHOUT CHARGE EVEN THOUGH MILEAGE HAS EXCEEDED WARRANTY LIMITS. UPON PRESENTING VEHICLE FOR REPAIR, I WAS INFORMED THAT I WOULD HAVE TO PAY FOR DIAGNOSTICS AND REPAIR. PRESUMING THAT THE USABLE LIFE SPAN OF THESE FOLDING MIRRORS SHOULD BE WELL IN EXCESS OF THE OCCASIONAL OPERATION THAT THEY HAD, I REFUSED TO PAY AND LEFT. THE SALESMAN WHO SOLD ME THIS HUMMER LATER SAID HE HAS NO CONTROL OF HOW THE SERVICE DEPARTMENT OPERATES AND THERE IS NOTHING HE CAN DO ABOUT IT. ALSO, I WAS TOLD PREVIOUS TO MAKING MY APPOINTMENT FOR REPAIR THAT THIS IS A PROBLEM WITH MANY OF THE POWER FOLDING MIRRORS ON H2 HUMMERS. NOTHING HAS BEEN DONE TO CORRECT THIS FAILURE OF SAFETY EQUIPMENT (REAR VIEW MIRRORS). LEFT REAR DOOR FAILS TO LATCH DUE TO BINDING MECHANISM. THIS WAS ALSO REPORTED AND NOT REPAIRED DUE TO SAME CIRCUMSTANCES.*AK
WHILE DRIVING 10 MPH VEHICLE STALLED WITHOUT WARNING. DRIVER TRIED TO RESTART THE VEHICLE AND WAS ABLE TO DO SO. VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE IGNITION SWITCH NEEDED TO BE REPLACED, AND REPLACED IT. *AK
WHILE DRIVING 35 MPH THE STEERING KNUCKLE FRACTURED WITHOUT WARNING. AS A RESULT THE FRONT DRIVER SIDE WHEEL SEPARATED FROM THE VEHICLE. THE VEHICLE HAD TO BE TOWED TO THE NEAREST DEALER. PLEASE PROVIDE ADDITIONAL INFORMATION. *JB
FRONT WHEEL LINKAGE FAILURE, WHEEL FELL OFF. MY BROTHER AND I NEARLY DIED TODAY FROM AN ACCIDENT IN MY MOTHERS H2. WE HAD JUST LEFT A FRIENDS HOUSE AND WERE TRAVELING AT ABOUT 35 MPH WHEN ALL OF A SUDDEN IT SEEMED THAT THE FRONT DRIVER SIDE WHEEL BROKE FREE. THE H2 VIOLENTLY SWERVED TO THE LEFT AND EVEN THOUGH I AM A BIG GUY IT WAS ALMOST IMPOSSIBLE TO KEEP THAT 6000 LBS BEAST FROM SWERVING. I HIT THE BRAKES BUT THOSE DIDN'T SEEM TO HELP SINCE THE BRAKES WERE STILL ATTACHED TO THE WHEEL WHICH I COULD SEE WAS BEHIND US FROM THE SIDE VIEW MIRROR. THE H2 TORE THROUGH THE OPPOSITE LANE AND SLAMMED US INTO A DITCH CAUSING EXTENSIVE DAMAGE TO THE DRIVERS SIDE. I CAN ONLY THANK GOD THAT WE WERE FINE AND THAT THERE WAS NO ONCOMING TRAFFIC AT THAT TIME. THE BRAKING OFF OF THE WHEEL CAUSED MAJOR WHEEL WELL AND FENDER DAMAGE. THE FORCE OF THE WHEEL SLAMMING INTO THE WELL SHATTERED THE WINDSHIELD AND BROKE THE SIDE STEP. I HAD DIFFICULTY OPENING THE DOOR TO GET OUT BECAUSE OF THE DAMAGE. WHEN I GOT OUT I SAW THAT THE WHEEL WAS ABOUT 10 FEET BEHIND US. THERE WERE SEVERAL SUSPENSION PIECES STILL CONNECTED TO IT. THE POLICE OFFICER HAD A HARD TIME BELIEVING MY STORY, BUT THAT IS EXPECTED FROM THEM, THE REAL PAINFUL THING IS THAT MY MOTHER WONT BELIEVE ME EITHER. I HAVE READ OF SEVERAL CASES LIKE THIS. THIS WAS A VERY SCARY ACCIDENT, NOTHING IS WORSE THAN LOOSING ALL CONTROL OF A VEHICLE WITH A LOVED ONE INSIDE, KNOWING THAT YOU ARE RESPONSIBLE FOR THAT PERSON. *AK
Reading these
NHTSA publishes every complaint as the owner wrote it and investigates only a fraction. Spelling, capitalisation and judgement are the filer’s own. What carries weight is repetition: the same component failing the same way across many filings, and whether the manufacturer eventually opened a recall for it.
Full record for the 2004 Hummer H2 → · Every H2 year → · How the figures are calculated →