Chevrolet Silverado EV 2022–2024 — technical service bulletin
Bulletin PIT6179 · NHTSA communication 11006327 · issued Aug 13, 2024
Technical service bulletin
communication type
Unknown OR Other
component
2022–2024
model years
4
vehicle entries
Official summary
This Preliminary information communicates to confirm proper orientation of check valves in the A/C system.
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.