We reported about the C7 Chevrolet Corvette Z06's overheating problems way back in 2021. Chevy said hello were built with a solution for owners with a new hood design that featured larger vents along with a new supercharger cover. Even so, Tadge Juechter said there was a relatively small couple of owners who have been complaining about high temperatures.
Turns out, this book is still open at Chevy. Just recently, GM Authority reported that GM is issuing extended warranty coverage on 2021-2021 Z06s because of the overheating issue. The documents say that the Z06 \”may have a condition in which the vehicle may overheat and enter a lower power mode when driven on the track at sustained high speeds in high ambient temperatures.\” We've contacted Chevy to confirm and check out additional information, and can update whenever we hear back.
The warranty is meant to cover these overheating conditions and it is good for seven years or 72,000 miles from the time the vehicle was originally put in service, no matter ownership. If owners can provide proof their vehicle is impacted by way of a diagnostic code, photos or video, Chevrolet includes a few gifts available. Dealers can install an updated radiator package (all Z06s) and an updated shift point calibration (automatic vehicles only) under warranty. Both those things should keep the Z06 from overheating, but won't be provided unless your car is affected, according to the report.
If you like to make use of all 650 horsepower and 650 pound-feet of torque in the 6.2-liter supercharged V8 around the racetrack, we'd recommend taking Chevy on their offer of enhanced cooling abilities.
