Service bulletins for the 2021 Freightliner Cascadia
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
509 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with type: Service campaign are shown. Show all
| SF706-OWN LTR | 2026-03-04. Service campaign. POWER TRAIN. Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem (AT) 6x4 to New Final Drive (NFD) |
|---|---|
| SF706-DLR LTR | 2026-03-04. Service campaign. POWER TRAIN. Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem (AT) 6x4 to New Final Drive (NFD) |
| SF706-Bulletin | 2026-03-04. Service campaign. POWER TRAIN. Field Service campaign for Cascadia Axle Conversion: Adaptive Tandem (AT) 6x4 to New Final Drive (NFD) |
| SF721-OWN LTR | 2025-10-03. Service campaign. SUSPENSION. Field Service Campaign for SF721 18k Front Suspension Shock Absorbers |
| SF721-DLR LTR | 2025-10-03. Service campaign. SUSPENSION. Field Service Campaign for SF721 18k Front Suspension Shock Absorbers |
| SF721-Bulletin | 2025-10-03. Service campaign. SUSPENSION. Field Service Campaign for SF721 18k Front Suspension Shock Absorbers |
| SF673 POSTCARD LARGE | 2024-06-07. Service campaign. ELECTRICAL SYSTEM. Field Service Campaign Owner Reminder Postcard large population |
| SF673 POSTCARD SMALL | 2024-06-07. Service campaign. ELECTRICAL SYSTEM. Field Service Campaign Owner Reminder Postcard small population |
| SF672 POSTCARD LARGE | 2024-06-07. Service campaign. ELECTRICAL SYSTEM. Field Service Campaign Owner Reminder Postcard large population |
| SF672 POSTCARD SMALL | 2024-06-07. Service campaign. ELECTRICAL SYSTEM. Field Service Campaign Owner Reminder Postcard small population |
| D24M3-OWN LTR | 2024-06-05. Service campaign. ENGINE. Field Service Campaign for Drilled Exhaust Rocker Arm Installation |
| D24M3-DLR LTR | 2024-06-05. Service campaign. ENGINE. Field Service Campaign for Drilled Exhaust Rocker Arm Installation |
| D24M3-Bulletin | 2024-06-05. Service campaign. ENGINE. Field Service Campaign for Drilled Exhaust Rocker Arm Installation |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.