Chevrolet Corvette 2014–2019 — technical service bulletin
Bulletin 20NA041 · NHTSA communication 10178967 · issued Jul 17, 2020
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2014–2019
model years
6
vehicle entries
Official summary
This technical bulletin provides a procedure to replace the left side differential carrier cover and seal to correct a condition of Warble Noise from the Rear of the Vehicle.
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.