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The problem: Affected vehicles may exhibit excessive engine oil consumption (less than 2,000 miles per quart). This may be due to excessive piston ring wear.
Vehicles affected by this service bulletin:
- 2011 Chevrolet Equinox
- 2011 GMC Terrain
Equipped with the 2.4-liter gas engine
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Corrective action: Dealers will diagnose the condition, and if confirmed, replace the pistons.
Warranty info: This service bulletin is being performed free of charge under a special coverage adjustment of seven years and six months, or 120,000 miles, whichever comes first, from the date of sale.
What owners should do: Call your local dealer with your vehicle's identification number to determine if your vehicle is involved in this service bulletin. You can call Chevrolet at 800-222-1020, GMC at 800-462-8782 or the National Highway Traffic Safety Administration hotline at 888-327-4236. Reference TSB No. 15285C.
Need to find a dealer for service? Go to Cars.com Service & Repair to find a local dealer.
Editor's note: This is only one of dozens of service bulletins issued each month by automakers. Please check your automaker's website to see if your vehicle has any service bulletins pending.
Check for recalls here on Cars.com.
