Freightliner Cascadia 2019–2021 — technical service bulletin
Bulletin Techtalk7977 · NHTSA communication 10184920 · issued Dec 17, 2020
Technical service bulletin
communication type
Visibility
component
2019–2021
model years
3
vehicle entries
Official summary
Tech Talk discussion on rookie mirror falling out.
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.