2007 Chevrolet TRAILBLAZER problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
732 owner complaints analyzed
5 distinct recall campaigns
71,200 mi median reported failure mileage
Scope: 2007 model year. Data snapshot: . 629 complaints include usable failure mileage.
Most common problems
Fuel System, Gasoline is the most frequently named component, appearing in 213 of 732 complaints (29.1%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 70 | 9.6% |
| Fuel system concerns | 59 | 8.1% |
| Engine operation | 36 | 4.9% |
| Braking behavior | 34 | 4.6% |
| Steering behavior | 29 | 4.0% |
| Transmission and shifting | 13 | 1.8% |
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 |
|---|---|
| Fuel System, Gasoline | 213 |
| Electrical System | 193 |
| Exterior Lighting | 141 |
| Fuel/Propulsion System | 58 |
| Visibility:Power Window Devices And Controls | 52 |
| Fuel System, Other | 30 |
| Air Bags | 25 |
| Steering | 23 |
Fuel System, Gasoline: 213; Electrical System: 193; Exterior Lighting: 141; Fuel/Propulsion System: 58; Visibility:Power Window Devices And Controls: 52; Fuel System, Other: 30; Air Bags: 25; Steering: 23
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 20 |
| 25,000 to 49,999 | 123 |
| 50,000 to 74,999 | 190 |
| 75,000 to 99,999 | 105 |
| 100,000 to 149,999 | 141 |
| 150,000 and above | 50 |
Under 25,000: 20; 25,000 to 49,999: 123; 50,000 to 74,999: 190; 75,000 to 99,999: 105; 100,000 to 149,999: 141; 150,000 and above: 50
50,000 to 74,999 miles has the most reports with usable mileage (190). 103 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 |
|---|---|
| 2008 | 3 |
| 2009 | 27 |
| 2010 | 53 |
| 2011 | 173 |
| 2012 | 127 |
| 2013 | 57 |
| 2014 | 54 |
| 2015 | 66 |
| 2016 | 63 |
| 2017 | 43 |
| 2018 | 25 |
| 2019 | 17 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
2008: 3; 2009: 27; 2010: 53; 2011: 173; 2012: 127; 2013: 57; 2014: 54; 2015: 66; 2016: 63; 2017: 43; 2018: 25; 2019: 17; 2020: 8; 2021: 6; 2022: 4; 2023: 4; 2024: 1; 2025: 1
Pattern summary
Fuel System, Gasoline leads the component reports. Electrical and battery issues appears in 70 complaint narratives. Fuel system concerns appears in 59 complaint narratives. Engine operation appears in 36 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.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10260600 · 2009-03-03 (March 3, 2009)
MY 2007 NEW TRAILBLAZER STARTED ON FIRE WHILE IT WAS OFF AND PARKED FOR OVER 12 HOURS IN MAY OF 2008. AFTER 2 AND 1/2 MONTHS OF NOT HAVING MY TRUCK IT WAS DETERMINED TO BE AN ELECTRICAL SHORT. GM ADMITTED IT WAS A FAULT OF THEIRS SEEING AS MY TRUCK WAS NOT EVEN A YEAR OLD AND PURCHASED NEW. EVER SINCE THE CAR WAS RETURNED BACK TO ME THE INDICATOR LIGHTS GO ON AND OFF AND TODAY I WAS DRIVING AND THE CHECK ENGINE CAME ON. I IMMEDIATELY TOOK IT IN TO HAVE IT LOOKED AT AND WAS TOLD THAT THERE IS AN ELECTRICAL SHORT AND A FIRE COULD HAVE STARTED …
Owner-reported narrative. 48 miles reported. Look up ODI 10260600 at NHTSA ↗
Owner report 10288951 · 2009-10-19 (October 19, 2009)
CHECK ENGINE LIGHTSTARTED COMING ON, THEN THE STABIL-TRAX AND THE ENGINE DECELERATION LIGHT STARTED COMING ON. WHEN THIS STARTED, THE ENGINE WOULD SHUT DOWN EVERY TIME THE LIGHTS CAME ON.AT FIRST IT WAS AT INTERVALS OF 40 TO 140 MILES. WHENEVER THE ENGINE FIRST STARTED THIS, YOU COULD SHUT THE IGNITION OFF FOR 1-2 MIN. , THEN THE VEHICLE COULD BE STARTED AND DRIVEN UNTIL THE LIGHTS CAME ON. DOTSON CHEVROLET, IN BIG SONNE GAP, VA. ( WHERE WE BOUGHT VEHICLE), HAS HAD THE VEHICLE OFF AND ON FOR 6 WEEKS. THEY HAVE CHANGED THE SENDING UNIT IN TH…
Owner-reported narrative. 98,000 miles reported. Look up ODI 10288951 at NHTSA ↗
Owner report 10272664 · 2009-06-02 (June 2, 2009)
TL*THE CONTACT OWNS A 2007 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL GAUGE INDICATOR REMAINS ILLUMINATED NO MATTER HOW MUCH FUEL IS IN THE VEHICLE. THE GAUGE STATED THAT THERE WAS A "LOW GASOLINE LEVEL". AS A RESULT, THE CONTACT IS NEVER FULLY AWARE OF THE AMOUNT OF GASOLINE IN HER FUEL TANK. SHE CALLED THE DEALER, BUT THEY REFUSED RESPONSIBILITY FOR ANY REPAIRS. THE VEHICLE IS STILL EXPERIENCING THE FAILURE AND THE CONTACT BELIEVES THAT IT WAS CAUSED BY A MANUFACTURER DEFECT. THE FAILURE MILEAGE WAS 49,000 AND CURRENT MILEA…
Owner-reported narrative. 49,000 miles reported. Look up ODI 10272664 at NHTSA ↗
Owner report 10376820 · 2011-01-15 (January 15, 2011)
THE FUEL LEVEL SENSOR INSTALLED IN MODEL YEAR 2007 CHEVROLET TRAILBLAZER VEHICLES. THE FUEL TANK LEVEL SENSOR IS DEFECTIVE AND COULD RESULT IN A SUBJECT VEHICLE RUNNING OUT OF FUEL, STALL, AND BEING REAR ENDED BY ANOTHER VEHICLE. *TR
Owner-reported narrative. 52,500 miles reported. Look up ODI 10376820 at NHTSA ↗
Owner report 10379306 · 2011-01-27 (January 27, 2011)
I PURCHASED A BRAND NEW CHEVROLET TRAILBLAZER AT THE END OF 2007. SINCE THEN, I HAVE HAD MULTIPLE SERVICE ISSUES WITH THE CAR, MOST NOTABLY A FAULTY FRONT AXLE THAT HAD TO BE REPLACED. IN JANUARY 2009, MY SERVICE 4WD LIGHT CAME ON AND I COULD NOT PUT MY CAR INTO 4WD. I IMMEDIATELY TOOK MY CAR TO THE DEALERSHIP, WHO COULD NOT FIND A PROBLEM AND RETURNED MY CAR TO ME. A WEEK LATER, I WAS DRIVING MY CAR IN THE SNOW IN 4WD, GETTING READY TO ENTER THE HIGHWAY, WHEN THE CAR STALLED AND THE SERVICE 4WD LIGHT CAME ON AGAIN. I RETURNED TO THE DEALER…
Owner-reported narrative. 11,000 miles reported. Look up ODI 10379306 at NHTSA ↗
Owner report 10257573 · 2009-02-05 (February 5, 2009)
I LEASED A 2007 CHEVY TRAILBLAZER ON MAY 31ST 2007 AT WALLY EDGAR DEALERSHIP. WHEN THE WEATHER STARTED TURNING BELOW 50DEGREES THE BRAKES STARTED TO FAIL. WE TOOK IT INTO WALLY EDGAR DEALERSHIP IN JANUARY 2008. ALL THEY DID WAS BLEED THE BRAKES. WITHIN 2 MONTHS THE BRAKES WERE BACK TO FAILING. I TOOK IT IN TO LUNGHUMER DEALERSHIP IN APRIL 2008, THIS TIME THEY REPLACED THE MASTER CYLINDER. THAT WORKED FOR AWHILE.. WELL WITHIN A MONTH I WAS BACK AT WALLY EDGAR DROPPING IT OFF BECAUSE THE BRAKE PEDAL HAD EXCEEDED THE LAST TWO TIMES IT WAS W…
Owner-reported narrative. 24,591 miles reported. Look up ODI 10257573 at NHTSA ↗
Owner report 10269455 · 2009-05-19 (May 19, 2009)
I HAVE A PROBLEM WHERE THE THROTTLE HANGS UP AROUND 2000 RPM IN ALL GEARS AFTER BEING ON THE THROTTLE AND THEN IMMEDIATELY NEEDING TO SLOW DOWN FOR ANY REASON. THIS IS A TRAILBLAZER SUPER SPORT EQUIPPED WITH THE 395 HP 400 FT LB ENGINE. I HAVE BEEN TO THE DEALER. I HAVE SUED GM FOR THIS BEING A LEMON AND WAS PAID OFF. YET NO FIX. I HAVE VIDEO OF THIS HAPPENING. OTHER OWNERS HAVE THE SAME PROBLEM AND GM SAYS BECAUSE OTHERS DO IT THE VEHICLE IS ACTING AS DESIGNED. PER GEORGE VALEZ GM LEGAL OFFICE . GM SERVICE REQUEST # 71-661522934 "HIGH I…
Owner-reported narrative. 3,580 miles reported. Look up ODI 10269455 at NHTSA ↗
Owner report 10267289 · 2009-04-29 (April 29, 2009)
I HAVE BEEN HAVING A RECURRING ISSUE WITH THE STEERING ON MY 2007 CHEVY TRAILBLAZER. I HAVE HAD 3 DIFFERENT OCCASIONS WHEN THE VEHICLE WILL ONLY MAKE LEFT TURNS. TODAY SPECIFICALLY THE VEHICLE WAS AT AN INTERSECTION AND I WAS ATTEMPTING TO MAKE A RIGHT TURN WHEN THE VEHICLE RESPONDED BY ONLY WANTING TO TURN TO THE LEFT WHICH WAS A SET-UP FOR A HEAD ON COLLISION. THE VEHICLE WOULD TURN TO THE LEFT BUT WOULD NOT GO PAST THE CENTERED POSITION. IN ORDER FOR THE STEERING TO CORRECT ITSELF, THE VEHICLE WOULD HAVE TO BE TURNED OFF AND CONSIDERABLE …
Owner-reported narrative. 38,200 miles reported. Look up ODI 10267289 at NHTSA ↗
Owner report 10315777 · 2010-03-02 (March 2, 2010)
TL*THE CONTACT OWNS A 2007 CHEVROLET TRAILBLAZER. HE NOTICED THAT THE POWER STEERING FLUID WAS LEAKING, IT CAUSED THE STEERING WHEEL TO MAKE A LOUD NOISE AND LOCK. WHILE DRIVING 20 MPH, THE STEERING WHEEL LOCKED AS HE WAS MAKING A TURN. HE TOOK THE VEHICLE TO THE DEALER AND THE DIAGNOSIS LOCATED THE FAILURE TO BE THE RACK AND PINION AND NEEDED TO BE REPLACED. THE ESTIMATED COST FOR REPAIR WAS $800.00. HE IS NOT SURE IF THE VEHICLE WILL BE REPAIRED. THE FAILURE MILEAGE WAS 59,000 AND THE CURRENT MILEAGE WAS 61000.
Owner-reported narrative. 59,000 miles reported. Look up ODI 10315777 at NHTSA ↗
Owner report 10353867 · 2010-09-04 (September 4, 2010)
2WD 2007 TRAILBLAZER SUPER SPORT GOES WIDE OPEN THROTTLE AFTER START UP AND SELECTING REVERSE. THIS IS WITH FOOT ON BRAKE TO SHIFT AND NO THROTTLE APPLIED OR TOUCHED SINCE START UP. VEHICLE WAS IN A PARKING LOT. ENGINE WENT FULL THROTTLE AND SMOKED REAR WHEELS JUST AFTER SELECTING REVERSE. THIS DRAGGED THE FRONT WHEELS BACKWARDS A SHORT DISTANCE WITH THE FRONT BRAKES LOCKED UP. SHIFTING TO NEUTRAL HAD THE ENGINE GO OVER THE 6500 RPM REDLINE IGNORING ALL PCM PROGRAMMED REV LIMITERS. (REV LIMITERS: 4000 RPM IN NEUTRAL AND 6500 RPM IN GEAR.) DE…
Owner-reported narrative. 35,000 miles reported. Look up ODI 10353867 at NHTSA ↗