Worst 2004 Chevrolet Trailblazer Ext Problems
Top 3 most-reported issues with average mileage at failure.
Electrical Faults
Instrument Cluster
Gasoline Fuel System
Check the actual VIN — every car is different.
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2004 Chevrolet Trailblazer Ext.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 97 | 1 | 2 | 74,525 mi | |
| Instrument Cluster | 50 | — | — | 64,319 mi | |
| Gasoline Fuel System | 24 | — | — | 86,019 mi | |
| Automatic Transmission | 11 | — | 1 | 66,377 mi | |
| Headlight/Taillight Failures | 10 | — | — | 76,303 mi | |
| Fuel System | 9 | — | — | 122,307 mi | |
| Unintended Acceleration | 9 | — | — | 53,232 mi | |
| Engine And Engine Cooling:Exhaust System | 6 | — | — | 86,928 mi | |
| Airbags | 5 | 3 | — | 152,131 mi | |
| Engine Problems | 5 | — | 1 | 133,946 mi | |
| Engine & Cooling | 5 | — | 1 | 77,092 mi | |
| Other Equipment | 5 | 1 | — | 51,266 mi | |
| Fuel System, Other | 5 | — | — | 55,627 mi | |
| Steering Defects | 5 | — | — | 219,857 mi | |
| Transmission / Drivetrain | 4 | — | — | — | |
| Engine And Engine Cooling:Engine | 3 | — | 1 | — | |
| Equipment:Electrical:Radio/Tape Deck/Cd Etc. | 3 | — | — | — | |
| Fuel System, Other:Storage:Fuel Gauge System | 3 | — | — | — | |
| Structural Problems | 3 | — | — | — | |
| Visibility | 3 | — | — | — | |
| Air Bags:Frontal | 2 | 2 | — | — | |
| Fuel Pump | 2 | — | — | — | |
| Latches / Locks | 2 | — | — | — | |
| Body Structure | 2 | — | — | — | |
| Structure:Body:Tailgate | 2 | — | — | — | |
| Side/Rear Glass | 2 | — | — | — | |
| Visibility:Windshield Wiper/Washer | 2 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2004 Chevrolet Trailblazer Ext. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Chevrolet Trailblazer Ext Years
2004 Chevrolet Trailblazer Ext — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2004 Chevrolet Trailblazer Ext reliable?
What are common problems with the 2004 Chevrolet Trailblazer Ext?
At what mileage do problems start on the 2004 Chevrolet Trailblazer Ext?
How safe is the 2004 Chevrolet Trailblazer Ext?
Does the 2004 Chevrolet Trailblazer Ext have any recalls?
Should I buy a 2004 Chevrolet Trailblazer Ext?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Chevrolet Trailblazer Ext reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2004 Chevrolet Trailblazer Ext
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
Check Any VIN — $4.99