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#BS-2002-CHETRA-7406

2002 Chevrolet Trailblazer Ext

Based on reports from 120 owners and 3 recalls for this exact model.

Complaints

120

Crashes

Fires

Recalls

TSBs

🟢

Preliminary Verdict

Proceed with Caution

Based on 120 complaints, 3 crashes, 4 fires, and 3 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Power Train:automatic TransmissionHIGH

18 owners reported power train:automatic transmission issues — failures commonly reported around 64K miles.

!Inspect the ElectricalMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 30–60K miles (34 reports) • Median: 64K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Power Train:automatic Transmission (18 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Power Train:automatic Transmission18 (15%)

Electrical12 (10%)

Fuel System9 (8%)

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap8 (7%)

Engine And Engine Cooling:cooling System:fan6 (5%)

Exterior Lighting:brake Lights5 (4%)

Fuel System, Gasoline:storage:tank Assembly5 (4%)

Latches/locks/linkages:doors:latch4 (3%)

2002 Chevrolet Trailblazer Ext: Known Issues & Problem Areas

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 15% of all reports filed for the 2002 Chevrolet Trailblazer Ext, with 18 owners filing complaints with NHTSA. The median mileage at time of complaint is 64,000 miles, suggesting issues tend to surface around the 64K-mile mark.

Electrical Issues

Electrical complaints account for 10% of all reports filed for the 2002 Chevrolet Trailblazer Ext, with 12 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Fuel System Issues

Fuel System complaints account for 8% of all reports filed for the 2002 Chevrolet Trailblazer Ext, with 9 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap Issues

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap complaints account for 7% of all reports filed for the 2002 Chevrolet Trailblazer Ext, with 8 owners filing complaints with NHTSA. Owners should pay attention to fuel system, gasoline:storage:tank assembly:filler pipe and cap-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

Complaints filed with NHTSA by year for the 2002 Chevrolet Trailblazer Ext. Recent trend: stable.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (3 recalls)

04V046000Jul 2004

VISIBILITY:WINDSHIELD WIPER/WASHER

CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER WITHIN THE WIPER MODULES CAN EITHER CAUSE A SHORT CIRCUIT OR CAN LEAD TO THE CORROSION OF COMPONENTS WITHIN THE MODULE.

04V527000Nov 2004

EXTERIOR LIGHTING:BRAKE LIGHTS

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.

05V494000Feb 2006

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

CERTAIN SPORT UTILITY VEHICLES HAVE A REAR SIDE CLOSURE LATCH THAT MAY NOT LATCH OR UNLATCH DUE TO CORROSION CAUSED BY ROAD SPLASH, SUCH AS WATER AND ROAD SALT. THESE VEHICLES WERE ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Chevrolet Trailblazer Ext is the 2006 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 120 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 3 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Chevrolet Trailblazer Ext Model Years

2009 2008 2007 2006 2004 2003 2002

View all Chevrolet Trailblazer Ext years →

2002 Chevrolet Trailblazer Ext: Frequently Asked Questions

What is the most common problem with the 2002 Chevrolet Trailblazer Ext?

The most commonly reported issue with the 2002 Chevrolet Trailblazer Ext is related to the power train:automatic transmission, with 18 complaints filed with NHTSA.

Is the 2002 Chevrolet Trailblazer Ext reliable?

The 2002 Chevrolet Trailblazer Ext has 120 complaints, 3 crash reports, and 4 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.

How much does it cost to fix 2002 Chevrolet Trailblazer Ext problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2002 Chevrolet Trailblazer Ext have any recalls?

Yes, the 2002 Chevrolet Trailblazer Ext has 3 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Chevrolet Trailblazer Ext problems start?

Based on 97 complaints with mileage data, the median mileage at time of complaint is 64,000 miles. The highest concentration of reported issues occurs in the 30–60K mile range. The full report breaks down exactly which components fail at each mileage bracket.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.