Quick answer: The 2.4L Ecotec engine in the 2010–2013 Chevy Equinox and GMC Terrain is known for excessive oil consumption caused by piston ring problems. GM offered free piston replacement under a special coverage (now expired on most vehicles). Out of pocket, the fix typically costs $2,500–$5,000, and a used engine $3,000–$5,000 installed.
Affected models
| Model | Years | Engine |
|---|---|---|
| Chevrolet Equinox | 2010 – 2013 (most complaints 2010–2012) | 2.4L Ecotec (LAF) |
| GMC Terrain | 2010 – 2013 | 2.4L Ecotec (LAF) |
| Related GM models with the 2.4L | Around 2010 – 2013 | Some Chevy Malibu, Buick LaCrosse/Regal, Saturn Vue |
Later 2.4L engines received design changes, but some owners of 2014–2017 models also report oil use and timing chain problems.
Symptoms
- Needing to add a quart of oil every 1,000–2,000 miles or more often.
- Low oil warnings between changes.
- Timing chain rattle or codes such as P0008, P0016 or P0017, often a result of low oil.
- Misfires and fouled spark plugs.
- Engine failure in severe cases.
GM coverage and settlement
- GM issued service bulletins and a special coverage for piston and ring replacement on affected 2.4L engines, typically 7.5 years or 120,000 miles from the original sale date. That coverage has expired on most vehicles.
- GM also offered extended coverage for some related catalytic converter and oxygen sensor problems on certain 2012–2013 models.
- A class action settlement covered certain owners of 2010–2013 vehicles; claim deadlines apply.
Ask a GM dealer to check your VIN for any remaining coverage.
Repair costs
Typical independent shop prices, October 2026.
| Repair | Typical cost |
|---|---|
| Oil consumption test | $50 – $150 |
| Piston and ring replacement | $2,500 – $4,500 |
| Timing chain kit (from low-oil damage) | $1,000 – $2,000 |
| Used engine installed | $3,000 – $5,000 |
| Remanufactured engine installed | $4,500 – $6,500 |
Repair or sell?
Many 2010–2013 Equinoxes are now worth $3,000–$6,000. A $4,000 engine repair is often hard to justify; selling as-is or replacing the car may make more sense. Use the Repair or Replace Calculator and read How to Sell a Car With a Blown Engine.
If you own one
- Check the oil level every fill-up. Running low causes timing chain and engine damage.
- Keep a quart of the correct oil in the car.
- Fix misfires early to protect the catalytic converter; see Catalytic Converter Replacement Cost.