Complaints
306
Crashes
10
Fires
6
Injuries
25
Fatalities
—
Recalls
0
Worst 2004 Chevrolet Trailblazer Ext Problems
Top 3 most-reported issues with average mileage at failure.
#197 complaints
Electrical Faults
Avg mileage:74,525 mi
Crash-related:1
Fires:2
#250 complaints
Instrument Cluster
Avg mileage:64,319 mi
#324 complaints
Gasoline Fuel System
Avg mileage:86,019 mi
Considering a 2004 Chevrolet Trailblazer Ext?
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 $8.99 (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 | — | — | — |
Electrical Faults
97
complaints
Crashes
1
Fires
2
Avg Miles
74,525
Instrument Cluster
50
complaints
Crashes
—
Fires
—
Avg Miles
64,319
Gasoline Fuel System
24
complaints
Crashes
—
Fires
—
Avg Miles
86,019
Automatic Transmission
11
complaints
Crashes
—
Fires
1
Avg Miles
66,377
Headlight/Taillight Failures
10
complaints
Crashes
—
Fires
—
Avg Miles
76,303
Fuel System
9
complaints
Crashes
—
Fires
—
Avg Miles
122,307
Unintended Acceleration
9
complaints
Crashes
—
Fires
—
Avg Miles
53,232
Engine And Engine Cooling:Exhaust System
6
complaints
Crashes
—
Fires
—
Avg Miles
86,928
Airbags
5
complaints
Crashes
3
Fires
—
Avg Miles
152,131
Engine Problems
5
complaints
Crashes
—
Fires
1
Avg Miles
133,946
Engine & Cooling
5
complaints
Crashes
—
Fires
1
Avg Miles
77,092
Other Equipment
5
complaints
Crashes
1
Fires
—
Avg Miles
51,266
Fuel System, Other
5
complaints
Crashes
—
Fires
—
Avg Miles
55,627
Steering Defects
5
complaints
Crashes
—
Fires
—
Avg Miles
219,857
Transmission / Drivetrain
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine
3
complaints
Crashes
—
Fires
1
Avg Miles
—
Equipment:Electrical:Radio/Tape Deck/Cd Etc.
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System, Other:Storage:Fuel Gauge System
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Structural Problems
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Visibility
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Air Bags:Frontal
2
complaints
Crashes
2
Fires
—
Avg Miles
—
Fuel Pump
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Latches / Locks
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Body Structure
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Structure:Body:Tailgate
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Side/Rear Glass
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Visibility:Windshield Wiper/Washer
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe
1
complaints
Crashes
—
Fires
—
Avg Miles
—
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?
Verdict: Typical for Model. The 2004 Chevrolet Trailblazer Ext has 306 NHTSA complaints, 10 crash-related, and 0 recall campaigns. The most common issue is Electrical Faults with 97 complaints. Source: NHTSA via VinItel.
What are common problems with the 2004 Chevrolet Trailblazer Ext?
Top reported problems: Electrical Faults (97 complaints, avg 74,525 mi); Instrument Cluster (50 complaints, avg 64,319 mi); Gasoline Fuel System (24 complaints, avg 86,019 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2004 Chevrolet Trailblazer Ext?
The weighted average mileage at time of complaint is about 79,486 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2004 Chevrolet Trailblazer Ext?
NHTSA complaints for the 2004 Chevrolet Trailblazer Ext include 10 crash-related reports, 6 fire reports, 25 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2004 Chevrolet Trailblazer Ext have any recalls?
No NHTSA recall campaigns have been issued for the 2004 Chevrolet Trailblazer Ext as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2004 Chevrolet Trailblazer Ext?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.
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 — $8.99