Freightliner Cascadia 2017–2021 — technical service bulletin
Bulletin SB60-164 · NHTSA communication 10174398 · issued Apr 29, 2020
Technical service bulletin
communication type
Exterior Lighting
component
2017–2021
model years
5
vehicle entries
Official summary
Service Bulletin for Marker Light Gasket Leaks, New Cascadia. This bulletin replaces the version dated June 17,2019. A procedure has been added for inspection, repair, and replacement of damaged or spun rivet nuts.
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.