2004 Chevrolet Trailblazer EXT

Above average

Owners filed 261 complaints about this vehicle with federal regulators, most often about the electrical system. It has been recalled 1 time.

When it fails
020k40k60k90k120k200k
64,000 milesMedian miles at failure

213 complaints record an odometer reading. Failures cluster around 60,00075,000 miles.

What fails
ComponentReportsCrashesFiresInjuries
Electrical System86
010
Electrical System › Instrument Cluster/Panel46
000
Fuel System, Gasoline19
000
Power Train › Automatic Transmission10
000
Fuel/Propulsion System9
000
Vehicle Speed Control7
000
Exterior Lighting7
000
Engine and Engine Cooling › Exhaust System6
000
Steering5
000
Engine5
010

1 safety recall

Part 573 reports
Exterior Lighting › Brake Lights04V527000
Filed Nov 1, 2004871,473 vehiclesGeneral Motors Corp.

Defect. ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.

Risk. AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING VEHICLES, AND AN INOPERATIVE REAR TURN SIGNAL LAMP WILL NOT CONVEY THE DRIVER'S INTENTION TO TURN TO DRIVERS IN FOLLOWING VEHICLES. BOTH OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.

Remedy. DEALERS WILL INSPECT THE TAIL LAMP/STOP LAMP ASSEMBLIES, AND IF NECESSARY, REPLACE THEM. THE RECALL BEGAN ON NOVEMBER 22, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, BUICK AT 1-866-608-8080, OR GMC AT 1-866-996-9463.

What owners reported

Newest filings
Air BagsCrash3 injured
Filed Apr 17, 2019197,000 milesMI

"TAKATA RECALL" I WAS RECENTLY IN A CAR ACCIDENT THAT WAS LISTED IN THE POLICE REPORT AS A HEAD ON COLLISION AND NOT ONE AIRBAG DEPLOYED. THE IMPACT AS I WAS TOLD WAS HARD ENOUGH THAT THE AIRBAGS SHOULD HAVE DEPLOYED.

Fuel/Propulsion System
Filed Feb 11, 2019171,000 milesOH

RUSTED FUEL LINES- GARAGE CHECKED STRONG FUEL SMELL AND DISCOVERED RUSTED FUEL FILLER AND LINES

Structure › Body
Filed Jan 6, 2019TX

PART # 19120564 RUBS ON TAILGATE WHEN OPENING . DOES SECURE PROPERLY. EVENTUALLY, FLEW OFF WHILE DRIVING.

Exterior Lighting
Filed Feb 22, 201840,000 milesSC

WHEN DRIVING THE HEADLIGHTS ALL OF A SUDDEN JUST SHUT OFF. IT IS EXTREMELY SCARY AT NIGHT. I FOUND THAT I CAN HOWEVER USE THE BRIGHTS. THEY EVENTUALLY COME BACK ON. THIS HAS BEEN HAPPENING FOR YEARS. I KEPT HOPING FOR A RECALL AND JUST FOUND THIS SITE TO REPORT IT. THIS HAS HAPPEN ON CITY STREETS AND HIGHWAYS. IT HAS HAPPENED WHEN THERE ARE STREET LIGHTS AND VEHICLE LIGHTS AND WHEN IT IS PITCH BLACK. THE 1ST TIME IT HAPPENED, I WAS DRIVING WITH MY CHILD IN THE VEHICLE ON THE FREEWAY.

Structure › Body
Filed Jan 18, 2018105,000 milesWI

MY FAMILY WAS DRIVING HOME ON THE FREEWAY WHEN THE COMPLETE THIRD TAILLIGHT COVER BLEW OFF. IT APPEARS THAT THE ADHESIVE THAT ATTACHES THE REAR SPOILER TO THE GLASS OF LIFT GATE HAS LOOSENED DUE TO A MANUFACTURER DEFECT.

Air Bags
Filed Dec 23, 2017157,000 milesWA

INSTRUMENTAL PANEL/ GAGE CLUSTER. ALL GAGES CONTINUE TO FAIL SPIKING ALL OVER THE PLACE PRIOR TO FAILING. AIR BAG LIGHT CONTINUES TO BLINK ON THEN OFF RANDOMLY

Engine
Filed Nov 3, 2017143,000 milesCA

CRACKED EXHAUST MANIFOLD

Unknown or Other
Filed Nov 3, 201712,000 milesCA

STALLS - I HAVE TAKEN THIS TRAILBLAZER INTO THE DEALER FOR THIS STALLING PROBLEM AND I AM TOLD NO PROBLEM FOUND. VEHICLE STALLS AFTER COMING TO A STOP OR WHEN MOVING SLOWLY. THIS IS AN INTERMITTENT.

Electrical System
Filed Jul 30, 2017AL

FUEL GAUGE NOT WORKING ALONE WITH ALL THE OTHER GAUGES AND TURNING SIGNAL NOT WORKING

Engine
Filed Jun 24, 2017162,525 milesGA

VEHICLE'S REDUCED ENGINE POWER LIGHT COMES ON, AND VEHICLE LOSES POWER IN DANGEROUS PLACES. LOST OF PROBLEMS CONSIST OF SEVERAL PARTS HAVING TO DO WITH ACCELERATION. THIS PROBLEM HAPPENED SUDDENLY, ANDNIS A DANGER TO HIMAN SAFETY BECAUSE OF IT HAPPENING SEVERAL TIMES INCLUDING O N THE HIGHWAY.

Power Train
Filed Feb 17, 2017136,000 milesNY

AUTOMATIC TRANSMISSION SLIPS WHEN IT TRIES TO SHIFT INTO 3RD OR 4TH GEAR, I READ THAT THERE WAS A REPORT ON THIS HAPPENING BUT THERE WAS NOT A RECALL AS FAR AS I KNOW, I RECENTLY PURCHASED THIS VEHICLE FROM THE ORIGINAL OWNER WHO SAYS THEY NEVER RECEIVED ANY PAPER WORK FROM GM ABOUT DOING REPAIRS. MY QUESTION IS WILL GM REPAIR THIS CONDITION AT NO COST TO ME?

Visibility/Wiper
Filed Aug 29, 2016AR

TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER EXT. WHILE DRIVING IN THE RAIN, THE MOISTURE SENSITIVE WIPER SYSTEM DID NOT DETECT MOISTURE. AS A RESULT, THE WIPERS STARTED TO MALFUNCTION AND OPERATED UNCONTROLLABLY. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V046000 (VISIBILITY/WPIER). THE FAILURE MILEAGE WAS 65,000.

Electrical System
Filed Jan 12, 201698,000 milesMA

TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER EXT. THE CONTACT STATED THAT THE ENTIRE INSTRUMENT PANEL FAILED TO OPERATE. IN ADDITION, THE SPEEDOMETER, TACHOMETER, AND FUEL GAUGE FAILED TO FUNCTION PROPERLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE INSTRUMENT PANEL CLUSTER WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 98,000. THE VIN WAS UNAVAILABLE.

Vehicle Speed Control
Filed Dec 1, 201532 milesOH

SPEEDODOMETER AND RPM CLUSTERS MALFUNCTIONS,WHY

Fuel/Propulsion System
Filed Nov 23, 2015190,000 milesOH

THE INLET CHECK VALVE IS FRACTURED AND CHEVY WILL NOT DO ANY REPAIRS DUE TO THE MILEAGE BEING OVER 150000

Fuel/Propulsion System
Filed Jul 28, 2015PA

MY FUEL TANK HAS A HOLE IN IT. I HAVE FILED A PREVIOUS COMPLAINT WITH NHTSA AND ALSO WITH GM. AN NHTSA WORKER HELPED ME A LOT AND WHEN I CALLED GM AND CHEVY BACK I WAS TOLD SEVERAL TIMES SOMEONE WOULD GET BACK IN TOUCH WITH ME. I HAVE TRIED TO GET IT FIXED BUT NO ONE IS ABLE TO HELP. I HAVE TRIED MANY PLACES FOR USED FUEL TANKS BUT EVERYONE SAYS THAT THE ENVOYS AND TRAILBLAZERS THAT THEY HAVE ALL HAVE THE SAME EXACT ISSUE. I CANNOT GET ANY HELP FROM GM OR CHEVY.

Power Train
Filed Oct 25, 2014114,000 milesNY

THE TRANSMISSION COOLING LINES CORRODED AND CAUSED A TRANSMISSION FLUID LEAK. THE ENGINE RPMS INCREASED AND THE VEHICLE LOST POWER WHILE GOING DOWN INTERSTATE 86. WHEN THE FLUID LEAKED OUT OF THE TRANSMISSION COOLING LINES, IT SPRAYED ALL OVER THE EXHAUST PIPES, WHICH CAUSED A SEVERE FIRE HAZARD. DUE TO THE LOSS OF TRANSMISSION FLUID, IT CASED SIGNIFICANT DAMAGE TO THE TRANSMISSION INTERNALS. *TR

Engine
Filed Aug 26, 2014111,000 milesFL

STARTING ABOUT A FEW WEEKS AGO MY 2004 CHEVY TRAILBLAZER EXT HAS REEKED OF UNSPENT GASOLINE, AND THIS SMELL CONSUMES THE ENTIRE INTERIOR AND EXTERIOR OF THE VEHICLE. THE VEHICLE ALSO HAS SMALL LEAK BELOW RESERVOIR WHICH APPEARS TO BE LEAKING UNSPENT FUEL. CHEVY OFFERED A "SPECIAL COVERAGE" TO CORRECT THIS ISSUE (CORROSION ON TOP OF FUEL TANK RESERVOIR), HOWEVER IT ONLY COVERS VEHICLES UNDER 10 YEARS OF AGE AND UNDER 120K MILES. MY VEHICLE IS UNDER THAT MILEAGE, HOWEVER THIS REPAIR WILL NOT BE COVERED DUE TO AGE OF VEHICLE (MINE WAS ASSEMBLED IN MARCH). THIS ISSUE IS A MAJOR SAFETY CONCERN, AS ANY SMALL SPARK COULD CAUSE THIS VEHICLE TO IGNITE. I CANNOT CONTINUE TO DRIVE MY VEHICLE, AND FEEL THIS NEEDS TO BE RECTIFIED BEFORE IT CAUSES CATASTROPHIC LOSS (EITHER BUILDING OR PERSONAL). *TR

Air BagsCrash5 injured
Filed Aug 20, 201447,000 milesNY

WHEN HAD THE CRASH WHICH WAS VERY HARD LOUD AND SCARY THE AIR BAGS DIDN'T DEPLOY NOR DID THE AIR BAGS ON THE SIDE OF SEAT. THE CRASH WAS VERY SERIOUS AND THE ELECTRICAL SYSTEM AND POWERTRAIN TO WINDOWS. *TR

Electrical System
Filed Jul 2, 2014150,000 milesVA

SPEEDOMETER DROPPED TO ZERO. STOPPED VEHICLE AND RESTARTED. SPEEDOMETER STARTED BUT WOULDN'T GO ABOVE 35 MPH. I HAD A GPS SPEEDOMETER ON MY PHONE AND IT WAS REGISTERING 55-60 MPH AND THE VEHICLE SPEEDOMETER WOULD DISPLAY 25-30. AFTER A COOL NIGHT IT MIGHT WORK CORRECTLY FOR 4 OR 5 MILES THEN IT EITHER DROPS TO ZERO OR FALLS TO THE 10-25MPH RANGE. SOMETIMES RESTARTING THE VEHICLE WILL GET IT TO WORK AGAIN FOR A SHORT TIME. WHEN IT IS FAILING THE NEEDLE DROPS BELOW THE 0 MPH TOWARDS THE MILEAGE. WHEN IT SEEMS TO BE WORKING SOMEWHAT IT STOPS AT 0 MPH OR JUST ABOVE IT. THIS SHOULD REALLY BE A RECALL ! THANK YOU *TR

20 of 261 complaints, reproduced as filed.

Across model years

Worst on record: 2003
YearComplaintsRecallsFiresDeathsAssessment
2006189620Routine
2004 — this page261130Above average
2003313360Above average
2002100320Routine

Compare every Trailblazer EXT year →

Reading this record

Complaint volume is well above typical for a single model year.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Nov 1, 2004. Source: NHTSA Office of Defects Investigation.