2020 Corvette: Service Update: N202315731 Wheel Casting with Exposed Porosity on Extra Set of Wheels

Service Update:  N202315731 Wheel Casting with Exposed Porosity on Extra Set of Wheels

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 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. 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.

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

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