Freightliner Cascadia 2015–2025 — technical service bulletin
Bulletin SS3163-FTL · NHTSA communication 11013216 · issued Jan 14, 2025
Technical service bulletin
communication type
Steering
component
2015–2025
model years
11
vehicle entries
Official summary
Service Solution for Power Steering Reservoir Fill Cap Venting
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.