Oldsmobile Alero engine and engine cooling problems by year
256 NHTSA owner complaints name the engine and engine cooling across 6 Alero model years. The most reported year is 1999 with 85 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2004 Alero | 4 | 4% | — | |
| 2003 Alero | 12 | 7% | 66,500 mi | |
| 2002 Alero | 28 | 10% | 62,600 mi | |
| 2001 Alero | 46 | 13% | 64,613 mi | |
| 2000 Alero | 81 | 15% | 55,000 mi | |
| 1999 Alero | 85 | 18% | 63,000 mi |
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.