Freightliner Cascadia 2017–2025 — technical service bulletin
Bulletin MYCOM_07192024-2 · NHTSA communication 11005472 · issued Jul 19, 2024
Technical service bulletin
communication type
Visibility/wiper
component
2017–2025
model years
14
vehicle entries
Official summary
My Communications for New Espar HS3 Heater and Extreme Insulation
Vehicles covered
- 2017 Freightliner Cascadia
- 2018 Freightliner Cascadia
- 2019 Freightliner Cascadia
- 2020 Freightliner Cascadia
- 2021 Freightliner Cascadia
- 2022 Freightliner Cascadia
- 2023 Freightliner Cascadia
- 2024 Freightliner Cascadia
- 2025 Freightliner Cascadia
- 2021 Western Star 57X
- 2022 Western Star 57X
- 2023 Western Star 57X
- 2024 Western Star 57X
- 2025 Western Star 57X
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.