2004 Chevrolet TRAILBLAZER EXT 370: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
15 owner complaints analyzed
0 distinct recall campaigns
96,250 mi median reported failure mileage
Scope: 2004 model year. Data snapshot: . 12 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 5 of 15 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Fuel system concerns | 5 | 33.3% |
| Electrical and battery issues | 3 | 20.0% |
| Engine operation | 1 | 6.7% |
| Braking behavior | 1 | 6.7% |
| Steering behavior | 1 | 6.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 5 |
| Fuel System, Gasoline | 3 |
| Fuel/Propulsion System | 3 |
| Air Bags | 1 |
| Electrical System: Instrument Cluster/Panel | 1 |
| Engine And Engine Cooling:Engine | 1 |
| Exterior Lighting | 1 |
| Seats | 1 |
Electrical System: 5; Fuel System, Gasoline: 3; Fuel/Propulsion System: 3; Air Bags: 1; Electrical System: Instrument Cluster/Panel: 1; Engine And Engine Cooling:Engine: 1; Exterior Lighting: 1; Seats: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 2 |
| 100,000 to 149,999 | 5 |
| 150,000 and above | 1 |
Under 25,000: 1; 25,000 to 49,999: 1; 50,000 to 74,999: 2; 75,000 to 99,999: 2; 100,000 to 149,999: 5; 150,000 and above: 1
100,000 to 149,999 miles has the most reports with usable mileage (5). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2006 | 1 |
| 2007 | 1 |
| 2010 | 3 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 2 |
2006: 1; 2007: 1; 2010: 3; 2012: 2; 2013: 1; 2014: 3; 2015: 2; 2016: 2
Pattern summary
Electrical System leads the component reports. Fuel system concerns appears in 5 complaint narratives. Electrical and battery issues appears in 3 complaint narratives. Engine operation appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10172404 · 2006-11-01 (November 1, 2006)
WENCH HOLDING SPARE TIRE ON 2002 CHEVY TRAILBLAZER WAS STUCK AND WOULD NOT LOWER THE TIRE. HAVING A FLAT TIRE IS BAD ENOUGH BUT BEING TOLD THAT THEY WOULD HAVE TO CUT AND DESTROY THE WENCH MECHANISM IN ORDER GET THE SPARE TO PUT IT ON IN PLACE OF THE FLAT ONE WAS NOT GOOD NEWS. I TOLD AAA TO PROCEED AND CUT THE CABLE AND MECHANISM SO THEY COULD CHANGE MY FLAT TIRE. I FOUND THIS IS NOT UNDER WARRANTY AND IT COST $137.00 TO REPLACE THE WENCH. THIS HAPPENED IN AUGUST 2006/ IN OCTOBER, MY WIFE HAD A FLAT AND GUESS WHAT THE WENCH WOULD NOT LO…
Owner-reported narrative. Look up ODI 10172404 at NHTSA ↗
Owner report 10188324 · 2007-04-19 (April 19, 2007)
MY VEHICLE HAS NUMEROUS TIMES QUIT RUNNING (SINCE PURCHASE 2004) BY FIRST BEING UNSTABLE AND ROUGH ENGINE IDLE. IT'S MORE NOTICEABLE AFTER DRIVING FOR LONG PERIOD OF TIME ON HIGHWAY AND THEN COMING TO A FULL STOP AT AN EXIT; VEHICLE WILL SURGE AT LOW SPEED/SHUDDER AND WILL STOP RUNNING. THE ONLY WAY TO KEEP VEHICLE RUNNING IS BY PRESSING GAS AND BRAKE (NOT SAFE). TALKED TO DEALERSHIP AN THERE IS NO FIX. *TR
Owner-reported narrative. 15,000 miles reported. Look up ODI 10188324 at NHTSA ↗
Owner report 10302293 · 2010-01-26 (January 26, 2010)
MY 2004 CHEVY TRAILBLAZER OIL, GAS AND BATTERY GAUGES HAVE ALL STOPPED WORKING. WHEN I TURN ON MY HEATED SEATS THEY SMELL LIKE THEY'RE BURNING!! I HAVE READ 100'S OF COMPLAINTS OF SIMILAR STORIES WITH SAME PROBLEMS. WE NEED A RECALL, IT IS NOT SAFE!!!!! *TR
Owner-reported narrative. 116,000 miles reported. Look up ODI 10302293 at NHTSA ↗
Owner report 10359201 · 2010-10-05 (October 5, 2010)
2004 CHEVY TRAILBLAZER EXT NORTHFACE EDITION WITH THE V8 ENGINE IS LEAKING GAS DUE TO A CRACK IN THE GAS TANK AND THE REPAIR IS OVER 1000$, MY TRUCK ONLY HAS 7500 MILES ON IT AND EVERYTHING SEEMS TO BE MESSING UP. *TR
Owner-reported narrative. 74,000 miles reported. Look up ODI 10359201 at NHTSA ↗
Owner report 10368603 · 2010-12-01 (December 1, 2010)
I PURCHASED A 2004 CHEVY TRAILBLAZER IN SEPTEMBER 2003. WITHIN 6 MONTHS OF PURCHASE, THE CHECK ENGINE LIGHT CAME ON. DEALER SAID IT WAS A COMPUTER ERROR AND RESET THE COMPUTER. APPROXIMATELY EVERY 6 MONTHS THEREAFTER, CHECK ENGINE LIGHT CAME ON AND DEALER SAID EACH TIME IT WAS EVAPORATION CAUSED BY NOT TIGHTENING GAS CAP APPROPRIATELY. DEALERSHIP CHANGED OWNERS AND NEW DEALER RESET THE COMPUTER ONCE (SAYING GAS CAP NOT TIGHTENED APPROPRIATELY), THE SECOND TIME FOUND A HOLE IN HOSE THAT COMES OUT OF THE GAS TANK AND REPAIRED IT. UPON THE TH…
Owner-reported narrative. Look up ODI 10368603 at NHTSA ↗
Owner report 10447852 · 2012-02-13 (February 13, 2012)
SWITCHES FOR THE POWER WINDOW AND HEATED DRIVER'S SEAT ON DRIVER'S DOOR PANEL STOPPED WORKING. HEATER FOR DRIVER'S SEAT TURNS ON, ON ITS OWN AND CANNOT BE CONTROLLED WITH THE SWITCH. WHILE THE HEATER FOR DRIVER'S SEAT IS ON, THE INSTRUMENT PANEL FLICKERS. THE HEATER FOR DRIVER'S SEAT TURNS ON AND OFF, ON ITS OWN AND EACH TIME IT COMES ON, THE INSTRUMENT PANEL FLICKERS. *TR
Owner-reported narrative. 40,000 miles reported. Look up ODI 10447852 at NHTSA ↗
Owner report 10460797 · 2012-06-06 (June 6, 2012)
ON ABOUT 6 OCCASIONS OVER THE PAST COUPLE WEEKS MY SUNROOF HAS OPENED BY ITSELF. ON EACH OCCASION IT HAS HAPPENED AFTER BACKING UP AND THEN PUTTING IT IN DRIVE. WHEN IT HAPPENS I TRY TO STOP IT BY PRESSING THE CLOSE BUTTON BUT IT DOESN'T DO ANYTHING AND CONTINUES TO OPEN FULLY AND STOPS. AFTER ABOUT 20-30 SECONDS I CAN CLOSE IT. *TR
Owner-reported narrative. 111,000 miles reported. Look up ODI 10460797 at NHTSA ↗
Owner report 10547060 · 2013-10-07 (October 7, 2013)
SPEEDOMETER FAILS TO REGISTER CORRECT SPEED. INOPERABLE SPEEDOMETER STUCK AT ZERO WHEN MOVING OR SOMETIMES AT OTHER DISPLAYED SPEEDS WHILE STOPPED. *TR
Owner-reported narrative. 50,000 miles reported. Look up ODI 10547060 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.