Freightliner Cascadia 2009–2013 — technical service bulletin
Bulletin sb2077 · NHTSA communication 10141714 · issued Feb 26, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2013
model years
5
vehicle entries
Official summary
sb2077 Tuned Mass Absorber Installation, Cascadia with 1625 sq in Radiator
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.