Chevrolet Z71 engine and engine cooling problems by year
6 NHTSA owner complaints name the engine and engine cooling across 2 Z71 model years. The most reported year is 1998 with 4 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2002 Z71 | 2 | 8% | — | |
| 1998 Z71 | 4 | 9% | — |
Share is the fraction of that year’s complaints naming the engine and engine cooling. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.