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2004 Chevrolet Trailblazer Ext 370

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 12 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports0 fire reports1 injury reports

Unknown Or Other complaints

1 reports
Clear category filter
Mileage unknown · Nov 1, 2006
Unknown Or Other

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 MECHA…

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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 LOWER THE SPARE AND AGAIN THE MECHANISM HAD TO BE REPLACED. I PUT MY SPARE ON MY WIFE'S 2004 CHEVY TRAILBLAZER SO SHE COULD CONTINUE HER TRIP TO IOWA. HER WENCH WAS REPLACED AT A COST $143.00. OBVIOUSLY THIS IS A PROBLEM WITH CHEVY TRAILBLAZERS AS IT HAPPENED WITH MY 2002 AND MY WIFE'S 2004. THERE IS NEVER A MENTION IN THE OWNER'S MANUAL ABOUT ANY MAINTENANCE ON THE WENCH. TO FIND THE PROBLEM WHEN YOU HAVE A FLAT IS NOT THE RIGHT TIME TOM DISCOVER THE WENCH DOESN'T WORK. I FILED A COMPLAINT WITH GENERAL MOTORS ON MONDAY OF THIS WEEK AND WAS TOLD THAT ALL COMPLAINTS ARE REVIEWED BY SUPERVISORS. I SIMPLY REPLIED THAT IT WAS HIGHLY UNLIKELY THAT I WOULD EVER HEAR FROM ANYONE AT GM ABOUT THIS PROBLEM. *NM

NHTSA ODI #10172404

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

EA07009 · Fuel Pump Module Leaks Gasoline

Opened Jul 10, 2007 · Closed Aug 28, 2008

Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:fuel Pump

DURING THE COURSE OF THIS EA INVESTIGATION, ODI OBSERVED THAT THE MAJORITY OF THE COMPLAINTS (88%) AND WARRANTY CLAIMS (94%) WERE REPORTED FOR VEHICLES THAT ARE REGISTERED FOR USE IN THE SALT BELT REGION OF THE US.THIS AREA INCLUDES 20 STATES IN THE NORTHEAST, MID ATLANTIC AND THE MIDWEST REGIONS AND THE DISTRICT OF COLUMBIA.CONSUMERS IN THE SALT BELT REGION REPORTED TO ODI THAT THEY COULD SMELL FUEL VAPORS IN THEIR VEHICLES WHILE DRIVING.UPON FURTHER EXAMINATION OF THEIR VEHICLES, THEY DISCOVERED THAT FUEL VAPORS WERE COMING OUT OF THE TOP OF THE FUEL TANK. THIS CONDITION IS CAUSED BY CORROSION OF THE RETURN AND SENDER LINES OF THE FUEL PUMP MODULE.WATER AND ROAD SALT COLLECT ON TOP OF THE FUEL PUMP LEADING TO SMALL PINHOLES APPEARING ON THE FUEL LINES.FUEL MAY LEAK AND COLLECT ON TOP OF THE MODULE AND/OR SPILL ONTO THE GROUND.THE DATA EVALUATED UNDER THIS INVESTIGATION REFLECT A RELATIVELY LOW FREQUENCY OF OCCURRENCE THAT LARGELY ARISES IN SALT BELT STATES.GM HAS EXTENDED THE WARRANTY ON THE SUBJECT COMPONENT TO TEN YEARS OR 120,000 MILES.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED AT THIS TIME; ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.FOR ADDITIONAL INFORMATION SELECT DOCUMENT SEARCH.