Chevrolet Z71 power train problems by year
5 NHTSA owner complaints name the power train across 2 Z71 model years. The most reported year is 2002 with 3 reports.
| Year | Power Train reports | Share | Median mileage | |
|---|---|---|---|---|
| 2002 Z71 | 3 | 13% | — | |
| 1998 Z71 | 2 | 4% | — |
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.