Chevrolet Silverado 2017–2018 — technical service bulletin
Bulletin PIP5489B · NHTSA communication 10129887 · issued Feb 13, 2018
Technical service bulletin
communication type
Structure
component
2017–2018
model years
4
vehicle entries
Official summary
This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.
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.