Chevrolet Silverado 2500 2019–2023 — technical service bulletin
Bulletin 24-NA-253 · NHTSA communication 11011834 · issued Nov 7, 2024
Technical service bulletin
communication type
Engine
component
2019–2023
model years
7
vehicle entries
Official summary
This informational bulletin advises the tech of possible bolts that may be incorrect or installed incorrectly and which bolts should be used for the exhaust repair.
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.