Chevrolet Trailblazer EXT problems reported in Illinois

43 of the 1,070 complaints filed about the Chevrolet Trailblazer EXT came from Illinois, most often about the electrical system.

Bigger states file more complaints simply for having more drivers. What is worth reading here is the mix — a part that fails in heat, cold or road salt shows up in some states long before others.

Complaints from Illinois

Crashes

Fires

2003

Worst model year

What failed

Fuel & Propulsion 13 30.2%

Electrical System 13 30.2%

Lights 6 14.0%

Transmission & Drivetrain 4 9.3%

Body & Structure 3 7.0%

Doors, Latches & Locks 1 2.3%

Stability & Traction Control 1 2.3%

Windows, Mirrors & Wipers 1 2.3%

Engine & Cooling 1 2.3%

By model year

2002 Trailblazer EXT 3 7.0%

2003 Trailblazer EXT 15 34.9%

2004 Trailblazer EXT 14 32.6%

2006 Trailblazer EXT 11 25.6%

Cities reporting most

Chicago 5 20.8%

Poplar Grove 3 12.5%

Rockford 3 12.5%

Oreana 2 8.3%

Alsip 2 8.3%

Quincy 2 8.3%

Frankfort 2 8.3%

Sadorus 1 4.2%

NEW Windsor 1 4.2%

Mackinaw 1 4.2%

Durand 1 4.2%

Park Forest 1 4.2%

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