Freightliner Cascadia 2019 — technical service bulletin
Bulletin TechTalk7693 · NHTSA communication 10180449 · issued Sep 17, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019
model years
1
vehicle entries
Official summary
Tech Talk discussion on squealing noise coming from engine.
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.