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Service campaign SF721-Bulletin

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11023684
Published by NHTSA2025-10-03
Manufacturer's numberSF721-Bulletin
Manufacturer's date2025-09-24
Campaign id or software versionSF721
NHTSA componentSUSPENSION

NHTSA's summary

Field Service Campaign for SF721 18k Front Suspension Shock Absorbers

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension

Vehicles listed
FREIGHTLINER CASCADIA2021, 2022, 2023, 2024, 2025
WESTERN STAR 57X2024 to 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20V6600002020-10-27. SUSPENSION:REAR:AXLE:SPINDLE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
FleetCom 1_Hadley SV Susp2026-08-03. Other. Fleet Communications for Hadley Smart Valve - Raising Suspension
FleetCom 1_Hadley SV Susp2026-07-06. Other. Fleet Communications for Hadley Smart Valve - Raising Suspension
CAL FTL 54-0412026-07-06. Other. Customer Advisory Letter for XMC02T Service Record Update for Smart Valve Wake Behavior
FleetCom_Frnt Susp Bush2026-03-05. Other. Fleet Communications for composite front suspension bushing
FleetCom_Hadley SV Susp2026-03-04. Other. Fleet Communications for for Hadley Smart Valve Unintended Raised Rear Suspension
FleetCom_Hadley SV Susp2026-02-07. Other. Fleet Communications for Hadley Smart Valve Unintended Raised Rear Suspension
CXA_01_26_Hadley SV Susp2026-02-03. Other. CX Advocate for Hadley Smart Valve Unintended Raised Rear Suspension
FleetCom_Frnt Susp Spring2026-01-08. Other. Fleet Communications for Cascadia Front Suspension Spring Pin Bushings
CXA 10_25_Front Shock2025-11-06. Other. CX Advocate for 18k Front Suspension Shock Absorbers
CXA_10_25_TufTrac M122025-11-05. Other. CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)