Chevrolet Silverado 2017–2018 — technical service bulletin
Bulletin 18NA135 · NHTSA communication 10137596 · issued Apr 26, 2018
Technical service bulletin
communication type
Structure
component
2017–2018
model years
2
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of water leaking into bed area on trucks equipped with High Desert package.
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.