2004 Chevrolet Trailblazer EXT
Not enough comparison years on file yet for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2002 | 100 |
| 2003 | 313 |
| 2004 | 261 |
| 2006 | 189 |
KNOWN PROBLEM AREAS
Percentages can add to more than 100% -- a complaint can name more than one system.
56% of complaints: electrical system — 147 distinct reports on file, most commonly citing instrument cluster/panel.
CRASH FIRE INJURY11% of complaints: fuel system, gasoline — 29 distinct reports on file, most commonly citing fuel pump and tank assembly.
7% of complaints: power train — 18 distinct reports on file, most commonly citing automatic transmission and transfer case (4-wheel drive).
FIRE6% of complaints: engine and engine cooling — 16 distinct reports on file, most commonly citing exhaust system and engine.
FIRE5% of complaints: exterior lighting — 13 distinct reports on file, most commonly citing flasher unit and turn signal.
SAFETY TIMELINE
BRAKE LAMP FAILURE
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.
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 1-8
Campaign 04V527000 — check if this car was fixed
FUEL PUMP MODULE LEAKS GASOLINE
Loss of Headlights
BUY-SMART CHECKLIST
2004 Chevrolet Trailblazer EXT — pre-purchase inspection
- Test/inspect for electrical system issues (147 reports on file for this year).
- Test/inspect for fuel system, gasoline issues (29 reports on file for this year).
- Test/inspect for power train issues (18 reports on file for this year).
- Verify recall 04V527000 (exterior lighting) has been completed.
FAQ
Is the 2004 Chevrolet Trailblazer EXT reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2004 Chevrolet Trailblazer EXT?
The most-reported component is electrical system, accounting for 56% of complaints on file.
How many recalls does the 2004 Chevrolet Trailblazer EXT have?
1 recall on file for this model year.
Data updated 2026-09-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.