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EquipmentPart report

2005 Chevrolet Trailblazer EXT 370 Equipment Problems

Complaints
4about this part
Share
2%of 237 total for the year
Median mileage
59,965miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the equipment of the 2005 Chevrolet Trailblazer EXT 370, 2% of the 237 complaints for this model year. Where a mileage was given, the median is 59,965 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I have had the following problems with my 2005 chevy trailblazer ext ls: 2008: fuel sensor failure, running board fell off 2009: head and tail lights going out frequently, windows would get stuck- could not go up or down- all dash lights flashing, car stalling out- needed circuit board replaced. Anti-theft non-functioning. …”

NHTSA complaint #10376545, filed 2011-01, 74,000 miles

“A/c was blowing hot air. Took car to mechanic to charge and replace freon and they found a large leak in the line under the gas tank. Called dealership for warranty and was told it did not cover corrosion and the part was on manufactured backorder for 3 weeks costing $1000. Local mechanic was able to weld a piece to fix leak.”

NHTSA complaint #10277246, filed 2009-07, 48,000 miles

Related service bulletins

Equipment: other model years

YearComplaintsShare of year
200542%

Other parts of the 2005 Chevrolet Trailblazer EXT 370

Electrical system
101 complaints
Fuel system
94 complaints
Exterior lighting
15 complaints
Visibility (wipers, defrost, mirrors)
12 complaints
Engine cooling
10 complaints
Vehicle speed control
8 complaints
Air bags
7 complaints
Body and structure
6 complaints
Tires
5 complaints
Transmission and drivetrain
5 complaints
Engine
4 complaints
Latches, locks and linkages
4 complaints

← All problems reported for the 2005 Chevrolet Trailblazer EXT 370

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology