The 2.4L Ecotec (LAF/LEA) engine used in GM’s compact SUVs is widely known for excessive oil consumption, timing chain stretch, and piston ring design flaws. Many engines ultimately require full replacement due to low oil levels causing internal damage.
| Ref ID | Year(s) | Make | Model | Should Purchase? | Reason | Notes |
|---|---|---|---|---|---|---|
| 2010 2011 2012 2013 2014 2015 2016 2017 | Chevrolet | Equinox | Not Suggested | Severe oil consumption and timing chain stretch |
Engine: 2.4L Ecotec I4 RPO: LAF (2010–2012), LEA (2013–2017) Known piston ring defect; many engines replaced under warranty |
|
| 2010 2011 2012 2013 2014 2015 2016 2017 | GMC | Terrain | Not Suggested | Oil consumption leads to low oil → engine damage |
Engine: 2.4L Ecotec I4 RPO: LAF (2010–2012), LEA (2013–2017) Timing chain stretch common due to low oil levels |
The 2.4L Ecotec engine used in the Chevy Equinox and GMC Terrain from 2010–2017 suffers from excessive oil consumption, timing chain stretch, and piston ring design flaws. These issues frequently lead to engine replacement. GM issued service bulletins and extended warranties, but long-term reliability remains poor.