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Engine & cooling

2013 Chevrolet Corvette Engine problems

Owners have filed 8 complaints about the 2013 Chevrolet Corvette's engine & cooling with NHTSA - 10% of all its complaints, most recently on December 9, 2024. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
8
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Engine complaints

Engine & coolingFuel system

My Corvette c6 model has had a longterm issue with the left fuel pump, which I was not made aware of by the local dealership servicing my vehicle or the manufacturer, General Motors. I recently discovered the fuel pump issue, which results in a significant fuel leak thru the bottom left side of the vehicle. GM and the dealership failed to notify me of this issue even though they issued a Special Bulletin that addresses the fuel pump issue and which advises dealerships to repair the vehicle at no cost to the owner -...

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me. I have complained to General Motors and I'm currently awaiting their response to my complaint and request for assistance with the repairs. As of 9:00 am Pacific Time, December 9, 2024, I've received no response from GM. My concern and reason for this report is GM's failure and the dealership's failure to notify me, and failure to issue a recall for this significant and dangerous problem with my vehicle.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11629653
Engine & cooling

.The internet (Youtube and Corvette Forum) is full of horror stories about the engine valves breaking and dropping into the engine causing a catastrophic engine failure without warning. I was paranoid about driving the car for fear of an engine failure and averting an accident. After reading a plethora of horror stories about numerous LS7, 427 engine failures I felt anxious about driving my car and wanted to fix my engine ASAP and not a moment to soon!!!! I took my car to a shop to determine the condition of the...

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valves and one intake had extensive play in the valve guide - .012" wobble from side to side vs a factory spec of .003". They didn't check the other head but assuming the worse. I just have my heads refurbed at with only 6k miles on my vehicle. This resulted in me spending $5,350 dollar to remedy the defect before the engine failed and potentially causing an accident. ........this problem seems to be a manufactory defect potentially common to all 427/LS7s built between 2006 and 2013!!!!!

Filed Incident EngineNHTSA 11447036
Engine & cooling

I experienced a total engine failure causing my nearly new vehicle to suddenly lose power and stop in the middle of a busy intersection nearly causing an accident. After having it towed back to the dealer I was told that there was some kind of failure dealing with the valves inside of the engine which caused metal fragments to be present in the oil, causing the engine to seize. I was shown a container which held some of the oil inside my engine and you could clearly see metal particles. They had to replace the entire engine.

Filed Incident EngineNHTSA 11319781
Engine & cooling

We purchased the car in july of 2018 from arizona specialty motors with approximately 14,500 miles. We used the car as a 3rd vehicle/recreational driver since purchase. On monday, 09/02/19 we were driving back from mt. Lemmon, az and the car quit running at approximately 18,500 miles halfway down the mountain on our return. Fortunately there was a pullout where we were able to bring the car to a stop although we had no power, otherwise we could have driven or pushed over the cliff. We had to have the car towed...

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back and took it to watson chevrolet in tucson, az. On wednesday, 09/04/19 we were informed that the valve dropped in cylinder #2 which resulted in catastrophic engine failure. The car is currently sitting at watson chevrolet with a completely failed motor and have been provided an estimated $20,000 in repairs. Gm posted a service bulletin in 2011 claiming this issue was fixed; however, there are numerous reports online that it is still occurring and now we are also a victim.

Filed Incident EngineNHTSA 11256541
Electrical systemEngine & coolingFuel system

Two months ago, the car would crank, but not start. After several tries, and waiting overnight to continue trying, I had the car taken to the dealer. Tow driver drops car off flatbed, service writer gets in to cycle through to get mileage, etc, and the car starts. No error codes. They keep it for a few days, but no further problem. Ten days ago, same problem. Tow driver tries to start the car to drive off flatbed, without success. Dealer observes the problem, but, again, car starts for the service writer, and no...

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codes. Leave it for several days, but no repeat of the prob. A few days ago, same problem, except now the car is 'on the verge' of starting, not just cranking, and I can smell fuel (this was not the case previously). The car was low on fuel when I left, and the low fuel warning had come on a few miles before I stopped. So, I get some gas in the car, eventually 1/2 a tank, and now the car is just cranking, not 'on the verge', and aaa is called to tow it. At this point, the attempts are taking their toll on the battery, but I continue trying, and, while the tow truck is en route, it starts just like always (push button, engine starts, no lag or hesitation). Dealer thinks it's fuel related, but doesn't know what the problem is, so has no idea what to do. Online forums suggest that it's an overheated fuel pump relay, or connectors thereto, resulting ultimately in a complete fuse box replacement.

Filed Incident Electrical system · Engine · Fuel / propulsion systemNHTSA 11113138
Engine & cooling

2013 Chevy corvette valve guide out of spec after 4000 miles.

Filed Incident EngineNHTSA 10992416
Engine & cooling

There have been several situations with the corvette ls7 engine that resulted in dropped valves and blown engines. My source is the corvette forum where several owners have had the problem. The faulty valve guides have been traced back to the engine head supplier . When the valve drops the engine stops and the car becomes a safety risk as there is no power breaks or steering and there is danger of a fire and or accident. General motors must be aware of this problem as they have replaced many engines. They should...

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issue a recall to check the valve guide clearance (wobble ) and replace the faulty heads. This would be cheaper that replacing blown engines and safer for the traveling public. *Tr

Filed Incident EngineNHTSA 10703199
Transmission & drivetrainBody, doors & structureEngine & cooling

Center console on 2013 corvette grand sport grand gets very hot when driving more than half hour. *Tr

Filed Incident Power train · Structure · EngineNHTSA 10620798

Chevrolet Corvette engine complaints by year

Corvette engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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