Freightliner Cascadia 2009–2014 — technical service bulletin
Bulletin sb4269 · NHTSA communication 10141875 · issued Jun 1, 2013
Technical service bulletin
communication type
Parking Brake
component
2009–2014
model years
6
vehicle entries
Official summary
sb4269 Excessive Moisture in the Air System
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.