# Service campaign SF721\-DLR LTR

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.

- Type: Service campaign
- NHTSA id: 11023685
- Published by NHTSA: 2025\-10\-03
- Manufacturer's number: SF721\-DLR LTR
- Manufacturer's date: 2025\-09\-24
- Campaign id or software version: SF721
- NHTSA component: SUSPENSION

## NHTSA's summary

Field Service Campaign for SF721 18k Front Suspension Shock Absorbers

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023685-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11023685-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Vehicles listed

- 2021 to 2025 FREIGHTLINER CASCADIA
- 2024 to 2025 WESTERN STAR 57X

## Recalls for the same vehicles and component

- [20V660000](/recalls/nhtsa/20V660000.md), 2020-10-27: SUSPENSION:REAR:AXLE:SPINDLE

## Other bulletins for the same vehicles and component

- [FleetCom 1\_Hadley SV Susp](/bulletins/11035540.md), 2026-08-03, Other: SUSPENSION. Fleet Communications for Hadley Smart Valve \- Raising Suspension
- [FleetCom 1\_Hadley SV Susp](/bulletins/11034527.md), 2026-07-06, Other: SUSPENSION. Fleet Communications for Hadley Smart Valve \- Raising Suspension
- [CAL FTL 54\-041](/bulletins/11034511.md), 2026-07-06, Other: SUSPENSION. Customer Advisory Letter for XMC02T Service Record Update for Smart Valve Wake Behavior
- [FleetCom\_Frnt Susp Bush](/bulletins/11029633.md), 2026-03-05, Other: SUSPENSION. Fleet Communications for composite front suspension bushing
- [FleetCom\_Hadley SV Susp](/bulletins/11029520.md), 2026-03-04, Other: SUSPENSION. Fleet Communications for for Hadley Smart Valve Unintended Raised Rear Suspension
- [FleetCom\_Hadley SV Susp](/bulletins/11028646.md), 2026-02-07, Other: SUSPENSION. Fleet Communications for Hadley Smart Valve Unintended Raised Rear Suspension
- [CXA\_01\_26\_Hadley SV Susp](/bulletins/11028068.md), 2026-02-03, Other: SUSPENSION. CX Advocate for Hadley Smart Valve Unintended Raised Rear Suspension
- [FleetCom\_Frnt Susp Spring](/bulletins/11027491.md), 2026-01-08, Other: SUSPENSION. Fleet Communications for Cascadia Front Suspension Spring Pin Bushings
- [CXA 10\_25\_Front Shock](/bulletins/11025096.md), 2025-11-06, Other: SUSPENSION. CX Advocate for 18k Front Suspension Shock Absorbers
- [CXA\_10\_25\_TufTrac M12](/bulletins/11024969.md), 2025-11-05, Other: SUSPENSION. CX Advocate for TufTrac M12 Bolts \(TSB\-32\-057\-FTL\)

JSON: [/v1/bulletins/11023685](/v1/bulletins/11023685)

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