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Chevrolet Releases Service Updates Regarding 2020 - 2021 Corvette Wheel Porosity

Bradan Donaldson

Staff member
Oct 27, 2020
Ventura County, California
2004 Z06

Earlier this morning, Chevrolet released two service updates related to exposed porosity in wheels on some 2020 to 2021 Corvettes

GM has issued Service Updates N202315730 and N202315731 regarding wheel castings with exposed porosity affecting some 2020 - 2021 Corvettes. The amount of exposed porosity on the wheels is larger than that which is allowed by GM requirements.

Certain 2020 [and 2021] model year Chevrolet Corvette vehicles may have a condition where exposed porosity in wheels castings are larger than allowed and do not meet internal GM requirements. Vehicles in this field action are to have two sets of wheels inspected. The wheels on the vehicle are inspected under N202315730 and the extra wheels are inspected under this field action.
Correction: Dealers are to inspect the wheels and replace if necessary.

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