Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9...
Freightliner technical service bulletin SS2083FTL2021 for 2017-2022 Freightliner Cascadia and 2021-2022 Western Star 49X.
- Bulletin number
- SS2083FTL2021
- Component
- Suspension
- Summary
- Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9 Active for vehicles equipped with Hadley Smart Valve. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
Owners of these vehicles have filed 5 complaints in the suspension category.
Vehicles covered
- Freightliner Cascadia 2017-2022 201720182019202020212022
- Western Star 49X 2021-2022 20212022
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