Chevrolet Cobalt engine and engine cooling problems by year
143 NHTSA owner complaints name the engine and engine cooling across 6 Cobalt model years. The most reported year is 2005 with 51 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2010 Cobalt | 4 | 1% | — | |
| 2009 Cobalt | 12 | 2% | 45,890 mi | |
| 2008 Cobalt | 9 | 1% | — | |
| 2007 Cobalt | 24 | 2% | 50,000 mi | |
| 2006 Cobalt | 43 | 2% | 42,199 mi | |
| 2005 Cobalt | 51 | 3% | 45,000 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.