Chevrolet Silverado 1500 2022–2025 — technical service bulletin
Bulletin 25-NA-090 · NHTSA communication 11019463 · issued Apr 17, 2025
Technical service bulletin
communication type
Engine
component
2022–2025
model years
6
vehicle entries
Official summary
This bulletin provides a procedure to install an exhaust donut if found the cause of the back pressure after the heavy acceleration.
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.