Chevrolet Trailblazer Ext power train problems by year
92 NHTSA owner complaints name the power train across 4 Trailblazer Ext model years. The most reported year is 2003 with 49 reports.
| Year | Power Train reports | Share | Median mileage | |
|---|---|---|---|---|
| 2006 Trailblazer Ext | 6 | 3% | — | |
| 2004 Trailblazer Ext | 17 | 7% | 65,465 mi | |
| 2003 Trailblazer Ext | 49 | 16% | 61,000 mi | |
| 2002 Trailblazer Ext | 20 | 20% | 71,500 mi |
Share is the fraction of that year’s complaints naming the power train. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.