Freightliner Cascadia 2017–2020 — technical service bulletin
Bulletin SB20-088 · NHTSA communication 10166963 · issued Nov 1, 2019
Technical service bulletin
communication type
Structure
component
2017–2020
model years
4
vehicle entries
Official summary
Service Bulletin describes performing an inspection of the cooling baffle to determine the wear condition of the baffle and to ensure the hood is still sealed for maximum cooling.
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.