Chevrolet Corvette 2023 — technical service bulletin
Bulletin 23-NA-020 · NHTSA communication 11014073 · issued Jan 30, 2025
Technical service bulletin
communication type
Engine
component
2023
model years
1
vehicle entries
Official summary
This service bulletin provides a procedure to re-seal the front engine cover if found the cause of the customer concern of an engine oil leak.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.