2017 C7 Common Problems
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All known issues: 2017 C7
Known issues reported for the 2017 C7
Many C7 owners, especially with wide-body Z06 and Grand Sport cars, report cracked or bent factory cast wheels, often after potholes. Cracks are usually on the inside barrel, out of sight. Low-profile tires and big wheels leave little cushion.
Reported less often than on wide-body cars.
C5, C6 and C7 Corvettes use sealed hub bearing assemblies. They wear over time, especially with wide tires, track use or impacts. A failing hub causes a hum or growl that changes with speed and cornering.
Some C7 Z06 owners, especially with early cars on hot days, report the car reducing power or showing high temperature warnings after a few hard laps. The supercharged LT4 creates a lot of heat. GM made changes to later cars, and the aftermarket offers cooling upgrades.
Most reports involve early cars.
Many 2015–2019 C7 owners with the 8-speed 8L90 automatic report a shudder or vibration at light throttle, often felt like driving over rumble strips. GM issued service information related to the transmission fluid. Ask a dealer to check your VIN.
From the C4 onward, Corvettes have many electronic modules that draw small amounts of power with the car off. Add aging batteries, aftermarket accessories, or a module that doesn't go to sleep, and the battery can go flat in days or weeks. Storage without a maintainer is the most common cause.