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Fuel/propulsion System
07/15/2025
When C7 Stingray Corvette in the garage with the door closed, there is a strong smell of fuel coming from the vehicle, this problem started around July, 2025.... I have owed the vehicle for 3 years never a problem until now.
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Engine
07/22/2025
Driving down interstate at 74 MPH when engine acted like it wasn't accelerating and I was able to get off on an exit when car died had to have it towed to a chevrolet dealership. Engine wouldn't turn over at all. So Chevrolet did a visual inspection and said a valve spring on #8 cylinder had broke and they needed to tear into it further. So for another $1160.00 they would tear the engine down further to see what damage had been done. Chevrolet never notified me that they had a TSB on valve spring issue. Now my engine is no good. General Motors will give no assistance on repair. My engine shut down at 74 mph no longer running on an interstate.
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Power Train
04/02/2025
The contact owns a 2015 Chevrolet Corvette. The contact stated that the vehicle experienced severe shuddering and vibration while accelerating from a stationary position and while driving at slower speeds. The cause of the failure has not yet been determined. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The contact was provided with information of a TSB related to the failure. No further information was available. The failure mileage was 13,000.
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Power Train
04/30/2024
Torque converter shudder and noise (definitely and issue related transmission). Around 1,500 RPM the vehicle starts to experience the shudder, shaking, and noise. Additionally there is a feeling of a surge in power, like if the vehicle shifts to an upper gear un intentionally, the vehicle launches forward occasionally (lurching forward). There is absolutely no issue while the vehicle idles, not at low or high RPM. The issue only occurs while the vehicle is in motion and at around 1,500 RPM. Using a V4 to V8 delete (Range Technology RA003B AFM/DFM Disabler) helps the issue significantly but it's still an issue. If that disabler is removed the issue is extremely pronounced. I purchased this vehicle as a used vehicle. I wouldn't have purchased the vehicle if I had the slightest idea of such a major issue with the vehicle.
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Wheels
09/17/2024
The factory supplied OEM GM wheels on this vehicle are cracking in the rims. This is not due to striking any road hazards whatsoever, there is simply a manufacturing defect within the wheel itself. My vehicle is a 2015, but only has 23000 miles on it. My rear left tire developed an air leak which was the initial hint that something was wrong. The crack was confirmed as the cause by my auto shop. I had this repaired via a weld, but the future structural soundness of the wheel is suspect. The shop has repaired many Corvette wheels like mine and most have come back again for the same problem. I had the other wheels inspected and found out the left front wheel is cracked as well. I am replacing the wheels with mono block forged wheels from an aftermarket supplier at my own expense due to having no confidence in the GM wheels. A wheel coming apart at high speed is an obvious safety hazard to myself and others on the road. GM is shirking any responsibility for this manufacturing defect....
