2005 Chevrolet Trailblazer Ext 370 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2005 Chevrolet Trailblazer Ext 370, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical10134.8%
- Fuel system9432.4%
- Engine144.8%
- Exterior lighting134.5%
- Visibility124.1%
- Interior & seats93.1%
- Driver assistance93.1%
- Airbags72.4%
- Body & structure62.1%
- Brakes51.7%
- Tires & wheels51.7%
- Other / unspecified41.4%
- Steering31.0%
- Transmission31.0%
- Suspension20.7%
- Powertrain (other)20.7%
- Seat belts10.3%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
THE WHOLE INSTRUMENT CLUSTER DOES NOT WORK ANYMORE, DOES NOT LET ME KNOW HOW FAST I'M GOING OR HOW MUCH FUEL I HAVE, OIL PRESSURE GAUGE DOESN'T WORK, TEMPERATURE GAUGE DOESN'T WORK... WHY HASN'T THIS BEEN RECALLED? THIS IS VERY DANGEROUS, CONSIDERING I HAVE 4 KIDS THAT ARE CONSTANTLY IN THE CAR WITH ME AND I HAVE NO IDEA WHAT IS GOING ON WITH MY VEHICLE?? AND IT ALSO TELLS ME THAT MY FUEL LEVEL IS LOW, EVEN AFTER I FILL MY TANK. THIS SEEMS LIKE A VERY COMMON PROBLEM IN THESE VEHICLES, WHY HAS IT NOT BEEN CONSIDERED A SAFETY ISSUE????
I HAVE 2005 CHEVROLET TRAILBLAZER 4WD EXT LS 4.2 LITER. I NOTICED OVER PAST 3 YEARS THAT I BE AT DRIVE THROUGH FOR BURGERS AND ETC. THE CAR WOULD CUT OFF. I DID NOT THINK MUCH OF IT AT THE TIME. IT HAS GOTTEN CRITICALLY WORSE. IT WOULD CUT OFF IN MIDDLE OF THE HIGHWAY, DRIVE THROUGHS AND ETC. DURING THE PAST TWO YEARS I HAVE RE THE LUSTER AND OVER HEAD DOME LIGHT FLICKER. HEAD LIGHTS VERY DIM ON DRIVING ALSO I HAVE REPLACED ON THIS VEHICLE THE FUEL THROTTLE AND SENSOR, A CRANK SENSOR A CAM SENSOR, A TEMP SENSOR 4 POWER STEERING PUMPS NEW THE POWER STEERING RACK AND ASSEMBLY WHEEL HUBS AND BEARINGS, ALL NEW COILS SPARK PLUGS, BELT IDLE PULLEY POWER STEERING PULLEY CHANGE OIL EVERY 3,000 MILES AIR FILTER CHANGE BATTERY, UPDATED SOFT WARE, FLUSH FUEL SYSTEM, SERVICE THE AIR CONDITION REPLACED REAR SHOCKS, GM RELACED PULLEY ON ENGINE 2010 REPLACED THE PVC HOSE FLUSH RADIATOR AND BRAKE SYSTEM, ROTATION AND ALIGNMENT DONE EVERY 5000 MILES, REPLACED HEADLIGHT LOW BEAM BULBS AND LEFT TAIL LIGHT ASSEMBLY AND LENS, I HAD IT TO CHEVROLET PRIVATE MECHANIC GARAGE AND NOTHING IS READING WRONG ALSO NOTICE THE ECM NOT STORING THE SERVICE ENGINE LIGHT STAY A MICROSECOND ON. THIS HIGHLY DANGEROUS CAN STAL OR QUIT AND BE RUN OVER ON HIGHWAY. I NOTICED ON THE WEB ON CARS COMPLAINT.COM AMANY PEOPLE HAVE CMPLAINTED THIS ISSUE.CHEVROLET HAD INVESTIGATED THS ISSUE AAAAAND NO RESOLVE. I FELT THE VEHIHICLE MAY HAVE A SHORT R A BAD ALTERNATOR OR STARTER. .VEHIVLE WAS SITTING AT INTERSECTION I NOTICED IT TRIES TO STALL ON DRIVING ALSO. ALL RECORDS ARE WITH CAR.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
STOP IT STARTS JERKING AND CHECK ENGINE LIGHT FLASHS HEAD WENT BAD AT 109 THOSAND MILES
THE WHOLE INSTRUMENT CLUSTER DOES NOT WORK ANYMORE, DOES NOT LET ME KNOW HOW FAST I'M GOING OR HOW MUCH FUEL I HAVE, OIL PRESSURE GAUGE DOESN'T WORK, TEMPERATURE GAUGE DOESN'T WORK... WHY HASN'T THIS BEEN RECALLED? THIS IS VERY DANGEROUS, CONSIDERING I HAVE 4 KIDS THAT ARE CONSTANTLY IN THE CAR WITH ME AND I HAVE NO IDEA WHAT IS GOING ON WITH MY VEHICLE?? AND IT ALSO TELLS ME THAT MY FUEL LEVEL IS LOW, EVEN AFTER I FILL MY TANK. THIS SEEMS LIKE A VERY COMMON PROBLEM IN THESE VEHICLES, WHY HAS IT NOT BEEN CONSIDERED A SAFETY ISSUE????
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
STOP IT STARTS JERKING AND CHECK ENGINE LIGHT FLASHS HEAD WENT BAD AT 109 THOSAND MILES
MY 05 TRAILBLAZER KEEPS SHUTTING OFF WHILE DRIVING DOWN A CITY STREET. IN A 2-MILE STRETCH IT SHUT OFF 5 TIMES WITH COMPLETE LOSS OF STEERING CONTROL ALMOST CAUSING A SERIOUS ACCIDENT. THE VEHICLE TREMBLED AND THEN TURNED OFF. IT HAS SHUT OFF ON ME WHILE DRIVING ON THREE OTHER OCCASIONS ON PREVIOUS YEARS BUT IT ONLY OCCURRED ONCE AND THEN STOPPED ON THOSE OCCASIONS.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
I HAVE 2005 CHEVROLET TRAILBLAZER 4WD EXT LS 4.2 LITER. I NOTICED OVER PAST 3 YEARS THAT I BE AT DRIVE THROUGH FOR BURGERS AND ETC. THE CAR WOULD CUT OFF. I DID NOT THINK MUCH OF IT AT THE TIME. IT HAS GOTTEN CRITICALLY WORSE. IT WOULD CUT OFF IN MIDDLE OF THE HIGHWAY, DRIVE THROUGHS AND ETC. DURING THE PAST TWO YEARS I HAVE RE THE LUSTER AND OVER HEAD DOME LIGHT FLICKER. HEAD LIGHTS VERY DIM ON DRIVING ALSO I HAVE REPLACED ON THIS VEHICLE THE FUEL THROTTLE AND SENSOR, A CRANK SENSOR A CAM SENSOR, A TEMP SENSOR 4 POWER STEERING PUMPS NEW THE POWER STEERING RACK AND ASSEMBLY WHEEL HUBS AND BEARINGS, ALL NEW COILS SPARK PLUGS, BELT IDLE PULLEY POWER STEERING PULLEY CHANGE OIL EVERY 3,000 MILES AIR FILTER CHANGE BATTERY, UPDATED SOFT WARE, FLUSH FUEL SYSTEM, SERVICE THE AIR CONDITION REPLACED REAR SHOCKS, GM RELACED PULLEY ON ENGINE 2010 REPLACED THE PVC HOSE FLUSH RADIATOR AND BRAKE SYSTEM, ROTATION AND ALIGNMENT DONE EVERY 5000 MILES, REPLACED HEADLIGHT LOW BEAM BULBS AND LEFT TAIL LIGHT ASSEMBLY AND LENS, I HAD IT TO CHEVROLET PRIVATE MECHANIC GARAGE AND NOTHING IS READING WRONG ALSO NOTICE THE ECM NOT STORING THE SERVICE ENGINE LIGHT STAY A MICROSECOND ON. THIS HIGHLY DANGEROUS CAN STAL OR QUIT AND BE RUN OVER ON HIGHWAY. I NOTICED ON THE WEB ON CARS COMPLAINT.COM AMANY PEOPLE HAVE CMPLAINTED THIS ISSUE.CHEVROLET HAD INVESTIGATED THS ISSUE AAAAAND NO RESOLVE. I FELT THE VEHIHICLE MAY HAVE A SHORT R A BAD ALTERNATOR OR STARTER. .VEHIVLE WAS SITTING AT INTERSECTION I NOTICED IT TRIES TO STALL ON DRIVING ALSO. ALL RECORDS ARE WITH CAR.
DRIVING 6 PEOPLE TO PITTSBURGH INTERNATIONAL AIRPORT AT 3 AM 8/5/17 ON THE PARKWAY TO CATCH A FLIGHT FOR A VACATION WHEN NOTICED LOW BEAM HEADLIGHTS WERE NOT WORKING. DO NOT KNOW HOW LONG I WAS DRIVING BEFORE THIS WAS NOTICED. LOW BEAMS WORKED THE EVENING OF 8/12/17 @ 10 PM AFTER RETURNING TO PITTSBURGH AIRPORT AND DRIVING HOME. LOW BEAMS DID NOT WORK AGAIN ON THE EVENING OF 8/24/17 WHEN DRIVING HOME FROM A BASEBALL GAME. REPAIRS WERE COMPLETED 9/1/17 BY NICK CHEVROLET IN TARENTUM, PA. I HAD ASKED BEFORE AND AFTER THE REPAIRS WHETHER THIS WOULD BE COVERED UNDER RECALL BUT WAS TOLD NO BECAUSE MY VIN NUMBER WAS NOT A PART OF THE RECALL FOR THIS ISSUE. THEY MADE IT SEEM LIKE THIS WAS A SEPARATE ISSUE FROM THE KNOWN LOW BEAM ISSUE RECALL OF OTHER CHEVY MODELS. I ALSO CALLED THE GM CUSTOMER SERVICE LINE TO SEE IF I COULD GET REIMBURSED FOR THIS ISSUE BUT WAS TOLD THE SAME THING; THAT MY VIN NUMBER WAS NOT A PART OF THE RECALL AND IT IS BASED ON WHAT FACTORY THE CAR WAS MADE AT? THE PART NUMBER USED WAS 15016745 WHICH UPON LOOKING ON THE INTERNET IS A REPLACEMENT PART FOR THE OTHER VEHICLES COVERED UNDER THE RECALL. I DO NOT UNDERSTAND HOW THE SAME ISSUE CAN BE PART OF A RECALL FOR SOME YEARS AND MODELS AND NOT OTHERS IF THE PROBLEM AND PART ARE THE SAME??
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE WHEN THERE WAS MOISTURE IN THE AIR, THE DRIVER SIDE MASTER SWITCH FAILED TO OPERATE WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND STATED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13V248000 (ELECTRICAL SYSTEM, VISIBILITY). THE FAILURE MILEAGE WAS 139,000.
PASSENGER AIR BAG LIGHT NOT WORKING AND COMING ON WHEN NO PASSAGE. CHECK ENGINE LIGHT HAS BEEN ON SINCE 2006. SEAT BELTS IN 2ND ROW SEATING DON'T LOCK. RADIO BROKE 2006 REPLACED AFTER FIXED CD PLAYER WILL NOT PLAY OR EJECT. AIR CONDITIONER ONLY BLOWS OUT HOT AIR AFTER HUNDREDS DOLLARS TO FIX IT. BOTH HEAD LIGHTS BLOW OUT AT LEAST EVERY 2 MONTHS THEY NEED REPLACED. DRIVERS SIDE BREAK LIGHT N TAIL LIGHT KEEP BLOWING WENT TO AUTO STORE GET MORE BULBS AND THE TAIL LIGHT CAUGHT ON FIRE EMPLOYEES HELPED ME AND SAID THEY SEEN THE TRAILBLAZERS DO IT BEFORE DUE TO WATER BUILDING UP IN IT AND THAT THAT'S THE REASON THE BULBS BLOW. PAID OUT 300$ IN TICKETS CUZ OF THEM BLOWING N NOT KNOWING. THE HOT AND COLD AIR IN SECOND ROW DON'T BLOW OUT AT ALL. A BIKE PARKED BY ME AND MY BACK WINDOW EXPLODED. WINDSHIELD VISION IS CLOUDY. GAS GAUGE, SPEED AD TEMP GAUGE STOPPED WORKING HAD REPLACED NOW BATTERY GAUGE BROKE. ONLY 1, AND 2 WORKED ON HEAT CONTROL AND 2 VENTS WORKED. BOTTOM OF BOTH SIDES OF CAR RUSTED 2 YEARS AGO. I HAD IT PAID OF IN 3 YEARS AND WISH THESE PROBLEMS WERE MADE AVAILABLE BEFORE I DID. I'VE ALREADY PUT THOUSANDS OF DOLLARS IN IT AND THE SAME THING BREAKS AGAIN AND WINDOWS IN FRONT BROKE TOO.MY BLAZER HAS BEE IN THE GARAGE SINCE JANUARY CUZ AS SOON AS MY HUSBANDS GETS IT OUT THE SHOP IT NEEDS TO GO RIGHT BACK AND WE CANT AFFORD TO FIX IT NOMORE I LOVE MY BLAZER AND DON'T WANT HIM SELLING IT OR TRADING IT IN S IF YOU HAVE ANY ADVICE THAT WOULD HELP PLEASE TELL ME. I'VE BEEN KEEPING IT HOPING TO GET IT FIXED AGAIN BUT I ALSO HAVE A DISABLED GRANDSON AND CUSTODY OF A 2 YEAR OLD THAT HAVE APTS N THERAPY 4 TIMES A WEEK AND NEED A CAR BUT I LOVE IT AND CANT PART WITH IT. PLEASE LET ME KNOW IF THERE A CERTAIN WAY TO FIX THESE PROBLEMS I CAN DO MYSELF SO I CAN KEEP IT..THANKS *TR
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
I OWN A 2005 TRAILBLAZER, THE FIRST PROBLEM HAD TO DO WITH THE GAS NOT PUMPING. IT WOULD CAUSE THE PUMP TO CUT OFF. THE PASSENGER SEAT'S PLASTIC SIDE BROKE OFF AND NOW THE DRIVER'S SEAT IS BROKE. THE DRIVER'S LUMBAR SELECTOR QUIT WORKING.THE SPEEDOMETER HAS STOPPED WORKING. I USE MY GPS.THEN THE FUEL GAUGE QUIT WORKING, THE "DUMMY LIGHT" STAYS ON ALL THE TIME. CD IS HUNG UP IN THE RADIO. THE FRONT FAN FOR AC/HEATING QUIT WORKING.THE OTHER FANS WORK AND THE AC COOLS.EVIDENTLY THERE ARE ALOT OF COMPLAINS WITH THIS CERTAIN MAKE/MODEL GM SHOULD FIX THE PROBLEMS. IF THEY DON'T FIX MY PROBLEMS MY NEST CAR WILL CERTAINLY NOT BE AN AMERICAN MADE ONE BECAUSE I HAVEN'T SEEN ALOT OF PRIDE WHEN WE HAVE TO BEG TO GET OUR CARS FIXED WHEN SHODDY PARTS ARE USED ON OUR CARS. *TR
2005 TRAILBLAZER FUEL SENSOR UNIT FAULTY. FUEL GAUGE DOES NOT CORRECTLY SHOW THE CORRECT AMOUNT OF FUEL. IT SHOWS EMPTY ALTHOUGH THE FUEL HAS BEEN FILLED. ON AT LEAST ONE OCCASION MY SPOUSE WAS LEFT STRANDED DUE TO THIS FAILURE. *TR
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE VEHICLE FAILED TO ACCELERATE WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. THE FAILURE OCCURRED ONCE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY HAD FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 190,000.
ELECTRICAL ISSUES:VEHICLE DASHBOARD LIGHTS WILL SHOW DOOR GATE OPEN, DOOM LIGHTS WIL BE ON, RINGING BELL WHEN THE DOOR WOULD BE OPEN AND YET ITS ACTUALLY CLOSED, AS ALL CONTINUES TO GO AT ANY GIVEN TIME WHEN THE VEHICLE IS IN MOVEMENT. SPEED ODOMETER GAGE DOESN'T READ WHEN VEHICLE IS IN MOVEMENT AND THE GAS GAGE DOESN'T READ THE CORRECT LEVEL OF SHOWING HOW MUCH GAS IS IN VEHICLE. THIS IS A BIG SAFETY ISSUES CAUSE IT HAS ME WORRIED OF NOT KNOWING HOW MUCH GAS I HAVE BEFORE IT RUNS OUT OF GAS RISKING MYSELF AND OTHERS BECAUSE VEHICLE ALL OF A SUDDENNESS LOSES SPEED AND SHUTS DOWN.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
ON, 6/17/12, MY DAUGHTER AND I WERE DRIVING EAST BOUND I-96 AND INVOLVED IN A NON-FATAL INJURY ACCIDENT BTWN BEECH DALY & INKSTER. THE ACCIDENT STARTED IN THE FAR RIGHT LANE AND ENDED WITH SUV FACING OPPOSITE DIRECTION OF TRAFFIC, LEFT LANE OF HWY. I HIT A POTHOLE, APPROXIMATE DIAMETER OF A YARD STICK, FILLED WITH WATER AND IT SEEMS LIKE I LOST CONTROL OF THE STEERING; ALMOST AS IF THE VEHICLE HAD INSTANTLY SHUT DOWN. THE VEHICLE EASILY COMPLETED AT LEAST A 360 SPIN OUT. WE WERE ABLE TO WALK AWAY WITH MINIMAL INJURIES DUE TO CLIPPING ANOTHER SUV TAIL END INSTANTLY BEFORE GOING STRAIGHT INTO THE CEMENT HIGHWAY DIVIDER! I DIDN'T REALIZE HOW MUCH MUSCLE STRENGTHENING WOULD BE INVOLVED IN MINE AND MY DAUGHTERS' HEALING PROCESS. I HAVE BEEN IN TO SEE AN INTERNIST, NEUROLOGICAL SURGEON, PHYSICAL THERAPIST, OCCUPATIONAL THERAPIST, MASSAGE THERAPIST, NOT TO MENTION ALL OF THE CAT SCANS, MRIS, ETC. PERFORMED AT MULTIPLE HOSPITAL LOCATIONS. MY VEHICLE INSURANCE CARRIER WAS NOTIFIED OF MY HEALTH INSURANCE RESTRICTIONS PRIOR TO SIGNING WITH THEM AND PRIOR TO THE MVI. THE REDFORD, MI POLICE REPORT INDICATES NO INJURIES BECAUSE NEITHER MYSELF NOR MY DAUGHTER WERE TAKEN AWAY BY AMBULANCE SINCE THE INJURIES WERE NOT LIFE THREATENING AND WE WERE BOTH IN FORMAL ATTIRE, BOTH BRIDAL PARTY MEMBERS. THE VEHICLE WAS TOWED AND TOTALED BY INSURANCE, LOAN PAID IN FULL; HOWEVER, APPARENTLY CONCERNS HAVE AROSE TO, PERHAPS, TO THE EXTENT OF OUR INJURIES SO NO MEDICAL PROCEDURES HAVE NOT BEEN PAID TO ANY OF THE SERVICE PROVIDERS, AS OF TODAY'S DATE (11/15/14). MY DAUGHTER AND I WERE PICKED UP BY ANOTHER GUEST ATTENDEE SO WE WEREN'T HOLDING UP PROGRESS, BEING IN THE WEDDING PARTY AND CARRYING ALL DECOR FOR AFTERWARD FESTIVITIES. NONE OF THE VEHICLE AIR BAGS DEPLOYED AND WE WERE GOING 60-65MPH (FRONT, SIDE, REAR, NO WHERE)! THANK YOU, GM, MDOT AND CURRENT EMPLOYEES FOR STAYING TRUE TO USA & MI! *TR
PASSENGER AIR BAG LIGHT NOT WORKING AND COMING ON WHEN NO PASSAGE. CHECK ENGINE LIGHT HAS BEEN ON SINCE 2006. SEAT BELTS IN 2ND ROW SEATING DON'T LOCK. RADIO BROKE 2006 REPLACED AFTER FIXED CD PLAYER WILL NOT PLAY OR EJECT. AIR CONDITIONER ONLY BLOWS OUT HOT AIR AFTER HUNDREDS DOLLARS TO FIX IT. BOTH HEAD LIGHTS BLOW OUT AT LEAST EVERY 2 MONTHS THEY NEED REPLACED. DRIVERS SIDE BREAK LIGHT N TAIL LIGHT KEEP BLOWING WENT TO AUTO STORE GET MORE BULBS AND THE TAIL LIGHT CAUGHT ON FIRE EMPLOYEES HELPED ME AND SAID THEY SEEN THE TRAILBLAZERS DO IT BEFORE DUE TO WATER BUILDING UP IN IT AND THAT THAT'S THE REASON THE BULBS BLOW. PAID OUT 300$ IN TICKETS CUZ OF THEM BLOWING N NOT KNOWING. THE HOT AND COLD AIR IN SECOND ROW DON'T BLOW OUT AT ALL. A BIKE PARKED BY ME AND MY BACK WINDOW EXPLODED. WINDSHIELD VISION IS CLOUDY. GAS GAUGE, SPEED AD TEMP GAUGE STOPPED WORKING HAD REPLACED NOW BATTERY GAUGE BROKE. ONLY 1, AND 2 WORKED ON HEAT CONTROL AND 2 VENTS WORKED. BOTTOM OF BOTH SIDES OF CAR RUSTED 2 YEARS AGO. I HAD IT PAID OF IN 3 YEARS AND WISH THESE PROBLEMS WERE MADE AVAILABLE BEFORE I DID. I'VE ALREADY PUT THOUSANDS OF DOLLARS IN IT AND THE SAME THING BREAKS AGAIN AND WINDOWS IN FRONT BROKE TOO.MY BLAZER HAS BEE IN THE GARAGE SINCE JANUARY CUZ AS SOON AS MY HUSBANDS GETS IT OUT THE SHOP IT NEEDS TO GO RIGHT BACK AND WE CANT AFFORD TO FIX IT NOMORE I LOVE MY BLAZER AND DON'T WANT HIM SELLING IT OR TRADING IT IN S IF YOU HAVE ANY ADVICE THAT WOULD HELP PLEASE TELL ME. I'VE BEEN KEEPING IT HOPING TO GET IT FIXED AGAIN BUT I ALSO HAVE A DISABLED GRANDSON AND CUSTODY OF A 2 YEAR OLD THAT HAVE APTS N THERAPY 4 TIMES A WEEK AND NEED A CAR BUT I LOVE IT AND CANT PART WITH IT. PLEASE LET ME KNOW IF THERE A CERTAIN WAY TO FIX THESE PROBLEMS I CAN DO MYSELF SO I CAN KEEP IT..THANKS *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
WHILE DRIVING ON HIGHWAY ON WAY TO WORK, THE THIRD BRAKE LIGHT ASSEMBLY ABOVE THE REAR HATCH FLEW OFF INTO THE HIGHWAY. I STOPPED AND PICKED THE PART UP AND HAVE IT HOWEVER I'M LEFT WITH A BROKEN TRUCK. THE BRACKETS ON THE TRUCK THAT THE ASSEMBLY PLACE SNAPS INTO IS BROKEN AND WHEN THE ASSEMBLY PIECE FLEW OFF THE TRUCK THE THIRD BRAKE LIGHT WIRE WAS SNAPPED INTO BY THE FORCE OF THE WIND. *TR
MY 2005 CHEVROLET TRAILBLAZER EXT LTS TAILGATE GLASS DOOR HINGE CAP POPPED OFF AND HAD TO BE REPAIRED/REPLACED (HINGES, FIBERGLASS CAP, GLASS, ETC). I WAS INFORMED BY MR. KENNETH LAMOTT OF THE 1ST AVENUE BODY SHOP, INC. IN GREAT FALLS MT THAT THIS IS A KNOWN ISSUE AND APPARENT DESIGN DEFECT THAT CHEVROLET KNOWS ABOUT. HOWEVER THEY WILL NOT RECOGNIZE IT AS A RECALL ITEM. IT IS MY UNDERSTANDING FROM MR. LAMOTT WAS TO NOT DRIVE THE VEHICLE ON HIGHWAYS SHOULD IT COME LOOSE AGAIN AS IT WILL DISLODGE AND PRESENT ONCOMING TRAFFIC WITH A HAZARD THAT COULD CAUSE DAMAGES, INJURY AND POSSIBLY DEATH IF IT IMPACTED AND PASSED THRU A WINDSHIELD HITTING THE DRIVER OR PASSENGER. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
I WAS APPROACHING A TRAFFIC SIGNAL. I HIT MY BRAKES WHEN REALIZING THE LIGHT WAS RED. THE ANTI-LOCK BRAKES LOCKED UP AND I SLID THROUGH THE LIGHT HITTING A TURNING CAR. THIS RESULTED IN A FRONTAL IMPACT, BUT THE AIRBAGS DID NOT DEPLOY. THE VEHICLE IS TOTALED. *JS
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 65 MPH, THE REAR SPOILER BRAKE LIGHT COVER DETACHED ONTO THE ROAD. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE REAR SPOILER BRAKE LIGHT COVER WAS REPLACED TWO TIMES. THE THIRD RECURRENCE, THE BRAKE LIGHT ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED FOR THE MOST RECENT FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE AND VIN WERE UNAVAILABLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
MICHELIN LATITUDE TOUR ALL SEASON TIRES HAD SIGNIFICANT CRACKING ALL THE WAY AROUND THE CIRCUMFERENCE OF THE TIRE ON THE SIDEWALL NEAR THE TREAD. TIRES WERE 2 YEARS OLD. SOME SUPERFICIAL CRACKS OTHERS WERE DEEP AND WIDE. 65,000 MILE WARRANTY, ONLY 25,000 MILES ON THE TIRES. SIZE P245/65R17 105T ORWL. ALL FOUR TIRES HAD SIGNIFICANT DAMAGE. *TR
ON SUNDAY, AUGUST 5TH MY 2005 CHEVROLET TRAILBLAZER EXPERIENCED A COMPLETE TIRE FAILURE. THIS WAS THE SECOND FAILURE ON A TIRE ON MY VEHICLE WITHIN A ONE WEEK PERIOD. THE FIRST FAILURE WAS MUCH LESS CATASTOPHIC THAN THE SECOND, HOWEVER, THE SYMPTOMS APPEAR TO BE RELATED. AS I CHANGED LANES ON A BUSY HIGHWAY I HEARD A THUMPING SOUND FOLLOWED BY RUBBER FLYING INTO THE AIR. THE VEHICLE TO MY RIGHT SLOWED TO ALLOW ME TO PROCEED TO THE SHOULDER AREA. THE VEHICLE HANDLED VERY WELL, BUT THE TIRE WAS COMPLETELY SEPARATED FROM THE SIDEWALLS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
SPEEDOMETER JUST WENT HAYWIRE. READINGS ALL OVER THE PLACE REGARDLESS OF ACTUAL SPEED. SAME AS MANY OTHERS HAVE REPORTED FOR THIS VEHICLE. *LN
I HAVE HAD THE FOLLOWING PROBLEMS WITH MY 2005 CHEVY TRAILBLAZER EXT LS: 2008: FUEL SENSOR FAILURE, RUNNING BOARD FELL OFF 2009: HEAD AND TAIL LIGHTS GOING OUT FREQUENTLY, WINDOWS WOULD GET STUCK- COULD NOT GO UP OR DOWN- ALL DASH LIGHTS FLASHING, CAR STALLING OUT- NEEDED CIRCUIT BOARD REPLACED. ANTI-THEFT NON-FUNCTIONING. 2010:WINDSHIELD WIPERS WILL NOT SHUT OFF(REPLACED DISPLAY BOARD), IDLE PULLEY NEEDS TO BE REPLACED , 4X4 RUNNING ROUGH AND MAKING A SOUND,SPEEDOMETER NON-FUNCTIONING, RADIO STOPPED WORKING,GLOVE BOX LOCK BROKE, HEAT/AC STOPPED WORKING FIRST ON BLOWERS 4& 5 THEN STOPPED COMPLETELY I HAVE NOT BEEN ABLE TO AFFORD TO FIX ALL THESE REPAIRS, AS IT EXCEEDS $2,000. CAR IS OVER WARRANTY AND WAS BROUGHT USED FROM A FORMER GM DEALER AT UNDER 50K. I CONTACTED GM IN NOVEMBER 2010 AND THEY STATED THAT THEY MY VEHICLE WAS OUT OF WARRANTY AND THEY COULD NOT ASSIST ME. GM INITIATED CONTACT IN DECEMBER OF 2010 AND TOLD ME TO GET A FULL DIAGNOSIS OF THE PROBLEMS AND STATED THAT IT WAS OK TO GO TO THE FORMER GM DEALER. I PAID OVER $100 FOR THIS DIAGNOSIS AND THEY STATED THAT MY VEHICLE WAS OUT OF WARRANTY AND THEY CANNOT PROVIDE ANY ASSISTANCE WHATSOEVER. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
I HAVE 2005 CHEVROLET TRAILBLAZER 4WD EXT LS 4.2 LITER. I NOTICED OVER PAST 3 YEARS THAT I BE AT DRIVE THROUGH FOR BURGERS AND ETC. THE CAR WOULD CUT OFF. I DID NOT THINK MUCH OF IT AT THE TIME. IT HAS GOTTEN CRITICALLY WORSE. IT WOULD CUT OFF IN MIDDLE OF THE HIGHWAY, DRIVE THROUGHS AND ETC. DURING THE PAST TWO YEARS I HAVE RE THE LUSTER AND OVER HEAD DOME LIGHT FLICKER. HEAD LIGHTS VERY DIM ON DRIVING ALSO I HAVE REPLACED ON THIS VEHICLE THE FUEL THROTTLE AND SENSOR, A CRANK SENSOR A CAM SENSOR, A TEMP SENSOR 4 POWER STEERING PUMPS NEW THE POWER STEERING RACK AND ASSEMBLY WHEEL HUBS AND BEARINGS, ALL NEW COILS SPARK PLUGS, BELT IDLE PULLEY POWER STEERING PULLEY CHANGE OIL EVERY 3,000 MILES AIR FILTER CHANGE BATTERY, UPDATED SOFT WARE, FLUSH FUEL SYSTEM, SERVICE THE AIR CONDITION REPLACED REAR SHOCKS, GM RELACED PULLEY ON ENGINE 2010 REPLACED THE PVC HOSE FLUSH RADIATOR AND BRAKE SYSTEM, ROTATION AND ALIGNMENT DONE EVERY 5000 MILES, REPLACED HEADLIGHT LOW BEAM BULBS AND LEFT TAIL LIGHT ASSEMBLY AND LENS, I HAD IT TO CHEVROLET PRIVATE MECHANIC GARAGE AND NOTHING IS READING WRONG ALSO NOTICE THE ECM NOT STORING THE SERVICE ENGINE LIGHT STAY A MICROSECOND ON. THIS HIGHLY DANGEROUS CAN STAL OR QUIT AND BE RUN OVER ON HIGHWAY. I NOTICED ON THE WEB ON CARS COMPLAINT.COM AMANY PEOPLE HAVE CMPLAINTED THIS ISSUE.CHEVROLET HAD INVESTIGATED THS ISSUE AAAAAND NO RESOLVE. I FELT THE VEHIHICLE MAY HAVE A SHORT R A BAD ALTERNATOR OR STARTER. .VEHIVLE WAS SITTING AT INTERSECTION I NOTICED IT TRIES TO STALL ON DRIVING ALSO. ALL RECORDS ARE WITH CAR.
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE DRIVER WAS TRAVELING APPROXIMATELY 65 MPH, THE POWER STEERING FAILED WITHOUT WARNING. THE VEHICLE WAS SHAKING VIOLENTLY MAKING IT EXTREMELY DIFFICULT FOR THE CONTACT TO CONTROL THE STEERING WHEEL. THE CONTACT STATED THAT THE DRIVER LOST CONTROL OF THE VEHICLE WHILE IT WAS SWAYING BACK AND FORTH, THE STEERING WHEEL LOCKED. THE VEHICLE CRASHED INTO A MEDIAN AND THE VEHICLE ROLLED OVER MORE THAN TWICE. THE DRIVER SUSTAINED MAJOR INJURIES IN WHICH THE INDEX FINGER ON THE LEFT HAND HAD TO BE SURGICALLY ADJUSTED AND ALSO THE THUMB WAS LACERATED DUE TO THE IMPACT OF THE CRASH. THE CONTACT WAS RECEIVING FURTHER MEDICAL ATTENTION DUE TO THE SEVERITY OF THE CRASH. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS NOT AVAILABLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
TRANSMISSION LINE LEAK. PASSENGER SIDE FENDER WELL. CORROSION ON 1 LINE. *TR
BRAND NEW 2005 CHEVROLET TRAILBLAZER TRANSMISSION WONT DOWNSHIFT BACK INTO LOW GEAR UPON COMING TO A STOP. DEALER SAID THEY FIXED THE PROBLEM THE FIRST TIME IT HAPPENED (AT 600 MILES) BY REPLACING A SENSOR. IT HAS JUST NOW STARTED HAPPENING AGAIN (AT 2,100 MILES). *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
I TOOK A LEFT TURN WITH MY 2005 CHEVY TRAILBLAZER EXT. AND FISHTAILED ON SOME ICE AND MY SIDE AIRBAGS DEPLOYED. I HAVE READ SEVERAL OTHER COMPLAINTS ABOUT THIS ON THE INTERNET AND GM HAS TOLD THOSE PEOPLE THAT THE BLACK BOX SAID THAT THE AIRBAG SYSTEM ANTICIPATED A ROLLOVER AND THEY HAVE NOT PAID TO HAVE THE DAMAGE FIXED. I HAVE TOLD GM THIS HAS HAPPENED AND AM WAITING TO HEAR BACK FROM THEM BUT AM EXPECTING THE SAME VERDICT THAT EVERYONE ELSE HAS RECEIVED. I DON'T SEE HOW FISHTAILING ON WET PAVEMENT, ICE, OR IN SOME INSTANCES OR AROUND SOMETHING CAN CAUSE AIRBAGS TO DEPLOY. I HAVE AIRBAGS THAT NEED TO BE REPLACED, THE INTERIOR ROOF NEEDS TO BE REPLACED, AND THE SEAT BELTS ARE ALL LOCKED UP AND CAN'T BE USED. *TR
TWO TIRES FAILED WITHIN A WEEK WITH SIMILAR CIRCUMSTANCES. THE FIRST TIRE FAILURE WAS LESS DRAMATIC THAN THE SECOND DUE TO THE FACT THAT IT OCCURRED AT NIGHT WHEN TEMPERATURES WERE COOLER AND VEHICLE STOPS WERE MORE FREQUENT. THE SECOND FAILURE WAS CATASTROPHIC. THE SIDEWALLS COMPLETELY SEPARATED FROM THE TREAD ON A VERY BUSY HIGHWAY. AFTER THE FIRST TIRE FAILURE I HAD THE TIRES ALIGNED, BALANCED AND PRESSURE CHECKED BY A GM TECHNICIAN. THE SERVICE MANAGER AT THE GM DEALER CLEARLY TOLD ME THAT THE TWO REMAINING TIRES WERE IN GOOD SHAPE AND HAD SEVERAL THOUSAND MILES ON THEM BEFORE I HAD TO WORRY ABOUT CHANGING THEM. FOUR DAYS LATER THE TIRE FAILED COMPLETELY. AFTER THE INCIDENT I CALLED BACK TO THE GM DEALER TO VERIFY THEIR PROCESS FOR TIRE ALIGNMENT. THEY INFORMED ME THAT THE TIRES WERE INDEED VERIFIED TO BE AT 35PSI, THE FACTORY RECOMMENDED LEVEL. I RETAINED THE FAILED TIRE FOR FUTURE USE. THE TIRES WERE CONTINENTAL CONTI-TRAC P245/65/R17 WITH A DOT NUMBER OF HW8T BL5 0305. A SIMILAR REPORT HAS BEEN FILED WITH THE NHTSA. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
ON JULY 29, 2015 I EXITED THE FREEWAY, AND SUDDENLY MY 2005 CHEVY TRAILBLAZER EXT 4.2L BEGAN TO STALL AND WOULD NOT PROCEED UPON ACCELERATION. AFTER CALLING THE GM CORPORATE OFFICE, I ASKED IF THERE WAS A POSSIBLE WARRANTY ON THE VEHICLES TRANSMISSION, THEY STATED "NO"... HOWEVER, THE REPRESENTATIVE DID TELL ME THAT MY USED 2005 TRAILBLAZER EXT DID HAVE THE TRANSMISSION REPLACED IN 2007. THIS IS 2 YEARS AFTER THE VEHICLE HIT THE ROAD SPANKING BRAND NEW. THERE HAS TO BE A PROBLEM WITH THE CHEVY TRAILBLAZERS TRANSMISSION. I ENDED UP SPENDING A TOTAL OF $1,600.00 FOR A REBUILT TRANSMISSION. I AM NOW LOOKING TO POSSIBLY TRADE MY TRAILBLAZER IN SOON. LOOKING AT THE COMPLAINTS HERE IN THIS FORUM REGARDING THE FAILURE OF THE CHEVY TRAILBLAZER TRANSMISSION IS RIDICULOUS. GM REFUSES TO OWN UP TO THEIR MISTAKE. IT WOULD BE NICE TO SEE NHTSA GET STRICT WITH AUTOMOTIVE MANUFACTURERS. WHAT WILL IT TAKE BEFORE SOMEONE LISTENS TO THE CONSUMER, A DEATH? THAT COULD HAVE EASILY BEEN MY FATE; LUCKILY, IT HAPPENED WHEN EXITING THE FREEWAY.
STEERING WHEEL MALFUNCTIONS, CAR TURNS OFF WHEN WHEEL IS EXTENDED TOO FAR TO THE LEFT. SEATBELTS FOR LAST ROW OF SEATS DON'T LOCK, RADIO IS STUCK, BUTTONS DON'T CONTROL RADIO PROPERLY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
STEERING WHEEL MALFUNCTIONS, CAR TURNS OFF WHEN WHEEL IS EXTENDED TOO FAR TO THE LEFT. SEATBELTS FOR LAST ROW OF SEATS DON'T LOCK, RADIO IS STUCK, BUTTONS DON'T CONTROL RADIO PROPERLY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .