Problems · by component

2011 Chevrolet Equinox engine and engine cooling problems

34 owner complaints to NHTSA about the 2011 Chevrolet Equinox cite engine and engine cooling, 4% of all 783 complaints for this model year.

Complaints
34
4% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“The contact owns a 2011 Chevrolet Equinox. The contact stated that while the mother was driving, the vehicle suddenly stalled. The vehicle was towed to the residence and was later diagnosed by an independent mechanic, who discovered metal shavings in the engine oil pan and informed the contact that the engine had seized and needed to be replaced. The contact stated that prior to the engine failure, the vehicle experienced excessive oil consumption over a 14-month period. The local dealer was notified of the failure, but no assistance was provided. The manufacturer was not notified of the failure. The failure mileage was 117,000.”
Owner complaint to NHTSAFiled Aug 28, 2026Engine and engine coolingODI 11760362
“The contact owns a 2011 Chevrolet Equinox. The contact stated that the vehicle was consuming an excessive amount of engine oil. While driving at various speeds, there was a misfire coming from the engine while attempting to accelerate. The failure occurred while attempting to accelerate from a stop. There was no warning light illuminated. The vehicle was taken to a certified mechanic, who diagnosed that a shaft inside the engine had failed, and the engine needed to be replaced. The engine was replaced with a rebuilt engine; however, the failure reoccurred approximately 4 months after the engine was replaced. The vehicle was returned to the mechanic, who diagnosed and determined that the same failure had reoccurred. The engine valves and exhaust were cleaned; however, the failure persisted. The contact stated that smoke was entering the cabin of the vehicle and out of the exhaust pipe while the heater was activated. The vehicle was returned to the mechanic, who then diagnosed that the engine needed to be replaced another time. The vehicle was repaired again. The manufacturer was not informed of the failure. The failure mileage was approximately 165,000.”
Owner complaint to NHTSAFiled Jan 20, 2026Engine and engine coolingODI 11712022
“The contact owns a 2011 Chevrolet Equinox. The contact stated that while coming to a complete stop, the vehicle lost motive power. Additionally, the check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed the vehicle with a catalytic converter failure. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 150,000.”
Owner complaint to NHTSAFiled May 1, 2023Engine and engine coolingODI 11519885
“The contact owns a 2011 Chevrolet Equinox. The contact stated that while the vehicle was parked outside of the dealership, the contact heard an abnormal ticking sound coming from under the front hood of the vehicle. The contact notified the dealer of the issue and was informed that the noise would go eventually cease after driving the vehicle for a while. The issue persisted and the vehicle was taken back to the dealer. The vehicle was inspected and the contact was informed that the timing chain and assembly needed to be replaced. The vehicle was repaired. The contact stated that a year later while driving at an undisclosed speed, the failure recurred and the vehicle shuddered and lost motive power. There was no warning light illuminated. The vehicle was first towed to the residence and then towed to the dealer to be diagnosed. The contact was informed that the failure was caused by excessive oil consumption related to the timing chain assembly repair. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 107,000.”
Owner complaint to NHTSAFiled Feb 9, 2022Engine and engine coolingODI 11451183
“The contact owns a 2011 Chevrolet Equinox. The contact stated that the vehicle had been diagnosed with excessive oil consumption by an independent mechanic. The contact stated that while driving at various speeds, the vehicle stalled without warning while depressing the accelerator pedal. The manufacturer was notified of the failure and informed him that the failure was a known issue however, the warranty on the vehicle had expired. The contact was then transferred to the NHTSA by the manufacturer. The vehicle was not repaired. The failure mileage was approximately 110,000”
Owner complaint to NHTSAFiled Jun 3, 2021Engine and engine coolingODI 11419542
“TL* THE CONTACT OWNS A 2011 CHEVROLET EQUINOX. WHILE DRIVING 40 MPH, THE PCV FAILED AND CAUSED THE REAR SEAL TO BLOW OUT. THE VEHICLE HAD TO BE TOWED. THE DEALER (PADDOCK CHEVROLET, 3232 DELAWARE AVE, KENMORE, NY 14217) STATED THAT THE REAR SEAL NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPLACED. THE MANUFACTURER WAS ALSO CONTACTED AND WAS UNABLE TO ASSIST. THE FAILURE MILEAGE WAS 58,000. *TT *TR”
Owner complaint to NHTSAFiled Jan 11, 2018Engine and engine coolingODI 11062195

Showing 6 of 34 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 8, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.