Freightliner 108SD 2017–2025 — technical service bulletin

Bulletin TSB35-039-FTL · NHTSA communication 11012312 · issued Dec 7, 2024

Technical service bulletin

communication type

Power Train

component

2017–2025

model years

vehicle entries

Official summary

Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management

Vehicles covered

2017 Freightliner 108SD
2018 Freightliner 108SD
2019 Freightliner 108SD
2020 Freightliner 108SD
2021 Freightliner 108SD
2022 Freightliner 108SD
2023 Freightliner 108SD
2024 Freightliner 108SD
2025 Freightliner 108SD
2017 Freightliner 114SD
2018 Freightliner 114SD
2019 Freightliner 114SD
2020 Freightliner 114SD
2021 Freightliner 114SD
2022 Freightliner 114SD
2023 Freightliner 114SD
2024 Freightliner 114SD
2025 Freightliner 114SD
2017 Freightliner 122SD
2018 Freightliner 122SD
2019 Freightliner 122SD
2020 Freightliner 122SD
2021 Freightliner 122SD
2022 Freightliner 122SD
2023 Freightliner 122SD
2024 Freightliner 122SD
2025 Freightliner 122SD
2017 Freightliner Business Class M2
2018 Freightliner Business Class M2
2019 Freightliner Business Class M2
2020 Freightliner Business Class M2
2021 Freightliner Business Class M2
2022 Freightliner Business Class M2
2023 Freightliner Business Class M2
2024 Freightliner Business Class M2
2025 Freightliner Business Class M2
2017 Freightliner Cascadia
2018 Freightliner Cascadia
2019 Freightliner Cascadia
2020 Freightliner Cascadia
2021 Freightliner Cascadia
2022 Freightliner Cascadia
2024 Freightliner Cascadia
2025 Freightliner Cascadia

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.