Freightliner Cascadia 2020–2021 — technical service bulletin
Bulletin DASHLiftAxle · NHTSA communication 10174375 · issued Apr 27, 2020
Technical service bulletin
communication type
Power Train
component
2020–2021
model years
2
vehicle entries
Official summary
DASH announcement for Hendrickson Optimaax 6x2 Lift Axle. Freightliner recently announced the availability of the Hendrickson Optimaax 6x2 lift axle. Due to quality concerns discovered late with pre-series builds, Freightliner has implemented a block in SpecPro as of April 9, 2020, to prevent ordering or quoting of this component until further notice.
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.