2020 - 2021 Corvette: Service Update: N202315730 Wheel Casting with Exposed Porosity

Service Update:  N202315730 Wheel Casting with Exposed Porosity

Attention: This  service  update  includes vehicles  in  dealer  inventory  and  customer  vehicles  that  return  to  the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period.

Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system.  This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.

Condition: Certain 2020 and 2021 model year Chevrolet Corvette vehicles may have a condition where exposed porosity in wheel castings are larger than allowed and do not meet internal GM requirements.

Correction: Dealers are to inspect the wheels and replace if necessary.

A copy of this bulletin with all details is attached below.