Chevrolet Silverado 1500 2019–2021 — technical service bulletin
Bulletin 24-NA-175 · NHTSA communication 11008090 · issued Aug 30, 2024
Technical service bulletin
communication type
Engine
component
2019–2021
model years
6
vehicle entries
Official summary
This bulletin advises the tech to validate the vibration and to perform an Engine mount balance to verify if the mounts were binding and the cause of the customer concern.
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.