Freightliner Cascadia 2020–2022 — technical service bulletin
Bulletin CALFTL26-002 · NHTSA communication 10218999 · issued Aug 10, 2022
Technical service bulletin
communication type
Power Train
component
2020–2022
model years
3
vehicle entries
Official summary
Customer Advisory Letter for Eaton Endurant Transmissions Require Oil Coalescing Air Dryer Cartridges
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.