NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
50 reports58,289 miles · Jan 8, 2009
Electrical System
2004 TRAILBLAZER LS FAULTY SPEEDOMETER. THE SPEEDOMETER STARTED ACTION G UP ONE DAY WHEN I WAS GOING 50MPH, THE SPEEDOMETER WENT UP TO 100MPH BY ITSELF. EVER SINCE THEN IS HAS BEEN READING WHATEVER IT WANTS. I HAVE ALSO HEARD A STRANGE NOISE FROM MY OTHER GAUGES ON MY PANEL. I TOOK IT INTO A DEALERSHIP AND HAD A DIAGNOSTICS…
Read full complaint
2004 TRAILBLAZER LS FAULTY SPEEDOMETER. THE SPEEDOMETER STARTED ACTION G UP ONE DAY WHEN I WAS GOING 50MPH, THE SPEEDOMETER WENT UP TO 100MPH BY ITSELF. EVER SINCE THEN IS HAS BEEN READING WHATEVER IT WANTS. I HAVE ALSO HEARD A STRANGE NOISE FROM MY OTHER GAUGES ON MY PANEL. I TOOK IT INTO A DEALERSHIP AND HAD A DIAGNOSTICS RUN ON THE SUV. THEY STATED I HAD A FAULTY SPEEDOMETER AND IT WOULD RUN ABOUT $600.00 TO FIX. THEY STATED GM HAD A RECALL NOTICE OUT ON A NUMBER OF VEHICLES WITH THE SAME PROBLEM, BUT THE 2004 BLAZER DIDN'T FALL UNDER THIS NOTICE. AT THIS TIME I DON"T HAVE A TRUE SPEED READING AND MY TACHOMETER HAS STARTED STICKING. THIS PROBLEM OCCURS EVERYDAY. AT THIS TIME I HAVE NOT HAD IT REPAIRED. *TR
NHTSA ODI #10254201
24,000 miles · Apr 23, 2008
Electrical System
TL*THE CONTACT OWNS A 2004 CHEVROLET BLAZER. WHILE DRIVING 55 MPH, THE SPEEDOMETER DIAL INDICATED THAT THE CONTACT WAS DRIVING 110 MPH. WHEN SHE STOPPED AT A RED LIGHT, THE SPEEDOMETER DIAL SUDDENLY DROPPED BELOW ZERO AND IS CURRENTLY HANGING STRAIGHT DOWN. THE DEALER HAS NOT BEEN NOTIFIED. THE FAILURE AND CURRENT MILEAGES W…
Read full complaint
TL*THE CONTACT OWNS A 2004 CHEVROLET BLAZER. WHILE DRIVING 55 MPH, THE SPEEDOMETER DIAL INDICATED THAT THE CONTACT WAS DRIVING 110 MPH. WHEN SHE STOPPED AT A RED LIGHT, THE SPEEDOMETER DIAL SUDDENLY DROPPED BELOW ZERO AND IS CURRENTLY HANGING STRAIGHT DOWN. THE DEALER HAS NOT BEEN NOTIFIED. THE FAILURE AND CURRENT MILEAGES WERE 24,000.
NHTSA ODI #10225445
Mileage unknown · Apr 6, 2008
Tires
TIRES ARE DRY ROTTED AND LOOK VERY DANGEROUS TO DRIVE ON. THEY WERE INSTALLED AS ORIGINAL EQUIPMENT ON MY 2004 S10 BLAZER AND HAVE ONLY 37,000 MILES ON THEM WITH ALOT OF TREAD LEFT. THE SIDEWALLS AND BETWEEN THE TREAD ARE CRACKING. *TR
NHTSA ODI #10223506
112,000 miles · Feb 7, 2008
Power Train
TL*THE CONTACT OWNS A 2004 CHEVROLET BLAZER. WHEN THE GEAR WAS SHIFTED INTO REVERSE, THE VEHICLE WOULD NOT MOVE. THE DEALER STATED THAT THE FAILURE WAS CAUSED BY A FAULTY SUN GEAR. THE TRANSMISSION NEEDED TO BE REPLACED IN ORDER TO REPAIR THE FAILURE. NO REPAIRS WERE MADE. THE CURRENT AND FAILURE MILEAGES WERE 112,000.
NHTSA ODI #10217382
48,000 miles · Jan 5, 2008
Tires
TRAVELING ON HIGHWAY, THE RIGHT REAR TIRE HAD A BLOWOUT. THE ENTIRE SIDEWALL OF TIRE WAS SEPERATED FROM TREAD. UNIROYAL LAREDO, 102S , P235/70R15, M+S. VEHICLE HAS 48000 MILES ,VG TREAD ON TIRES. *CN
NHTSA ODI #10213794
25 miles · Nov 15, 2007
Air BagsCrashInjury
AIR BAGS DIDN'T DEPLOY. *TR
NHTSA ODI #10209080
31,662 miles · Aug 1, 2007
Electrical SystemExterior LightingLatches/locks/linkages
TL*THE CONTACT OWNS A 2004 CHEVROLET BLAZER. WHEN THE CONTACTS WIFE WENT TO START THE VEHICLE, IT FAILED TO START. SHE LOOKED UNDER THE HOOD AND TAPPED THE BATTERY CABLES WITH A HAMMER. THE VEHICLE RESTARTED AND SHE SHUT THE HOOD. WHILE DRIVING 60 MPH, THE HOOD POPPED OPEN AND SMASHED INTO HER WINDSHIELD, CAUSING THE GLASS T…
Read full complaint
TL*THE CONTACT OWNS A 2004 CHEVROLET BLAZER. WHEN THE CONTACTS WIFE WENT TO START THE VEHICLE, IT FAILED TO START. SHE LOOKED UNDER THE HOOD AND TAPPED THE BATTERY CABLES WITH A HAMMER. THE VEHICLE RESTARTED AND SHE SHUT THE HOOD. WHILE DRIVING 60 MPH, THE HOOD POPPED OPEN AND SMASHED INTO HER WINDSHIELD, CAUSING THE GLASS TO SHATTER. SHE PULLED OVER AND ATTEMPTED TO CLOSE THE HOOD, BUT IT WOULD NOT BUDGE. SHE MANAGED TO DRIVE THE VEHICLE BACK TO HER RESIDENCE. THE CONTACT WAS ABLE TO SHUT THE HOOD AND TIE IT SECURELY WITH A ROPE. HE DROVE THE VEHICLE TO THE DEALER. THE CONTACT BELIEVES THAT THIS IS A MANUFACTURER DEFECT. THE CURRENT AND FAILURE MILEAGES WERE 31,662. THE CONSUMER PROVIDED THE REGISTRATION, BILL OF SALE, SERVICE INVOICES, VEHICLE INSPECTION AND GM VEHICLE SUMMARY. THE DEALER STATED INTERMITTENT INCORRECT TURN SIGNAL OPERATION. UPDATED 08/23/07 *TR UPDATED 11/17/08 *BF UPDATED 11/18/08. *JB
NHTSA ODI #10198189
Mileage unknown · May 5, 2007
Seat Belts
GRAND DAUGHTER TRIED TO BUCKLE HER SEAT BELT AND THE BUCKLE CAME OFF IN HER HAND. LOOKS LIKE THE SEAT BELT CAME APART. 2005 VEHICLE TAHOE. HAD WE HIT SOMETHING OR BEEN HIT SEAT BELT WOULD NOT HAVE STOPPED HER FROM BEING THROWN OUT OF HER SEAT. SHOULD BE REPLACED FOR FREE BEINGS EVERYONE IS DOING WHAT THEY CAN TO STAY SAFE AND TH…
Read full complaint
GRAND DAUGHTER TRIED TO BUCKLE HER SEAT BELT AND THE BUCKLE CAME OFF IN HER HAND. LOOKS LIKE THE SEAT BELT CAME APART. 2005 VEHICLE TAHOE. HAD WE HIT SOMETHING OR BEEN HIT SEAT BELT WOULD NOT HAVE STOPPED HER FROM BEING THROWN OUT OF HER SEAT. SHOULD BE REPLACED FOR FREE BEINGS EVERYONE IS DOING WHAT THEY CAN TO STAY SAFE AND THAT IS A STATE MANDATED SAFETY FEATURE THAT SHOULD BE IN EXCELLENT WORKING ORDER WHEN BUYING A VEHICLE. *TR
NHTSA ODI #10189863
6,000 miles · May 3, 2007
Electrical SystemCrashInjury
TL*THE CONTACT OWNS A 2004 CHEVROLET BLAZER. WHILE DRIVING 60 MPH THE VEHICLE AUTOMATICALLY BRAKES ABRUPTLY. THIS FAILURE OCCURRED SEVEN TIMES. THE MECHANIC STATED THAT THE FUEL COULD BE THE CAUSE OF THE FAILURE. ANOTHER FAILURE WAS WHAT THE MECHANICS CALLED SURGING. SHE STATED THAT THE VEHICLE AUTOMATICALLY SURGED WITH S…
Read full complaint
TL*THE CONTACT OWNS A 2004 CHEVROLET BLAZER. WHILE DRIVING 60 MPH THE VEHICLE AUTOMATICALLY BRAKES ABRUPTLY. THIS FAILURE OCCURRED SEVEN TIMES. THE MECHANIC STATED THAT THE FUEL COULD BE THE CAUSE OF THE FAILURE. ANOTHER FAILURE WAS WHAT THE MECHANICS CALLED SURGING. SHE STATED THAT THE VEHICLE AUTOMATICALLY SURGED WITH SPEED WHEN ACCELERATING FROM A STOP. IN ADDITION, THE CONTACT EXPERIENCED AN ELECTRIC SHOCK FROM THE STEERING WHEEL THAT ALSO SHOCKED HER FEET. THE MECHANIC CONFIRMED THIS FAILURE. OTHER FAILURES INCLUDED REPLACING THE BATTERY WHEN THE VEHICLE WAS ONLY ONE YEAR OLD, CD PLAYER, DOOR LOCKS, CLOCK, AND INTERIOR LIGHTING MALFUNCTION, AND FAILURE ATTEMPTING TO REMOVE THE KEY FROM THE IGNITION. THE DRIVER'S SIDE DOOR ALMOST FELL OFF COMPLETELY AND HAD TO BE LIFTED APPROXIMATELY THREE INCHES IN ORDER FOR IT TO CLOSE. THE VEHICLE CONSTANTLY HAD FUEL FAILURES, COMPLETELY LOST POWER, AND WOULD NOT RELEASE THE KEY FROM THE IGNITION. THE CONTACT REPORTED A FRAME FAILURE THE FRAME FELT AS IF IT WAS SHIFTING WHILE THE VEHICLE WAS IN MOTION AND GEARING TO THE RIGHT. THE CAUSE WAS NOT DUE TO ALIGNMENT. THE BALL JOINT AND AXLES WERE REPLACED. THE FAILURE RECURRED FIVE MONTHS AFTER THE REPAIR. DURING THE FAILURE SHE ATTEMPTED TO DEPRESS THE BRAKE PEDAL AND IT BEGAN TO LOCK AND MAKE GRINDING NOISES. SHE RELEASED THE STEERING WHEEL AND REMOVED HER FOOT FROM THE BRAKE PEDAL. THE VEHICLE SPUN IN CIRCLES, AND THE FRONT END STRUCK THE SIDE WALLS OF THE HIGHWAY. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT HAS STATEMENTS FROM THE MECHANIC AND STATED THAT THE VEHICLE WAS A LEMON. THE CURRENT MILEAGE IS 20,000, AND FAILURE MILEAGE WAS 6,000. *AK
NHTSA ODI #10189668
27,323 miles · Aug 30, 2006
Power TrainSuspensionWheelsCrash
CAR STARTED MAKING A RATTLING NOISE WHEN I TURNED TO THE RIGHT SHORTLY AFTER HAVING A SPRING REPLACED IN DRIVERS SIDE FRONT TIRE. WITHIN A WEEK THE RATTLING PROGRESSED TO A GRINDING. DEALERSHIP REFUSED TO LOOK AT IT, KNOWING I WAS ABOUT TO GO ON A LONG TRIP. I LEFT FOR MY TRIP (9 HOUR DRIVE) AFTER ABOUT 5 HOURS, THIS GRINDING …
Read full complaint
CAR STARTED MAKING A RATTLING NOISE WHEN I TURNED TO THE RIGHT SHORTLY AFTER HAVING A SPRING REPLACED IN DRIVERS SIDE FRONT TIRE. WITHIN A WEEK THE RATTLING PROGRESSED TO A GRINDING. DEALERSHIP REFUSED TO LOOK AT IT, KNOWING I WAS ABOUT TO GO ON A LONG TRIP. I LEFT FOR MY TRIP (9 HOUR DRIVE) AFTER ABOUT 5 HOURS, THIS GRINDING NOISE WAS CONSTANT, THEN ABS LIGHT CAME ON, STARTED MESSING WITH MY STEERING, THEN, WHILE TRYING TO GET TO A DEALERSHIP IN THE CLOSEST CITY ( STILL AN HOUR AWAY FROM MY DESTINATION) TIRE BROKE OFF AT THE BEARINGS WHILE DRIVING DOWN A MAJOR 4 LANE HIGHWAY. THANK GOODNESS THE OTHER CARS WERE ABLE TO MISS ME, AVOIDING A MAJOR ACCIDENT. ALTHOUGH I WAS TOLD YOU DON'T HAVE A LAWSUIT UNLESS THERE'S AN INJURY, SO I DON'T KNOW IF IT WAS GOOD OR NOT!!!!! *NM THE TRANSMISSION WOULD SLIP WHEN SHIFTING FROM FIRST TO SECOND GEAR. UPDATED *JB
NHTSA ODI #10167095