# NHTSA recall 20V660000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 20V660000
- Manufacturer's number: FL\-866
- Manufacturer: Daimler Trucks North America LLC
- Reported: 2020\-10\-27
- Owners notified: 2020\-12\-18
- Component: SUSPENSION:REAR:AXLE:SPINDLE
- Units potentially affected: 1411

## What is wrong

Daimler Trucks North America LLC \(DTNA\) is recalling certain 2020\-2021 Freightliner Cascadia, 2021 Freightliner 108SD, 114SD and Business Class M2 and Western Star 4700, 4900 and 5700 vehicles.  The steer axle spindle nut snap\-ring locking feature may be incorrectly installed or missing from the left spindle nut at the spindle.


## What can happen

A missing or improperly installed locking snap ring can result in wheel\-end failure and potentially a wheel\-off/separation condition, increasing the risk of crash.


## The remedy

DTNA will notify owners, and dealers will inspect the hub cap plug, and reinstall or replace of the snap\-ring as needed, free of charge.  The recall began December 18, 2020.  Owners may contact DTNA customer service at 1\-800\-547\-0712.  DTNA's number for this recall is FL\-866.


## Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1\-888\-327\-4236 \(TTY 1\-800\-424\-9153\), or go to www.safercar.gov.


## Remedy progress the manufacturer reported

- Report: Annual report 3, for 2024 quarter 4 to 2025 quarter 3
- Filed with NHTSA: 2025\-10\-23
- Vehicles in the campaign: 1411
- Reported remedied: 1180 \(83%\)
- Reported unreachable: 0
- Reported removed: 0

These are the manufacturer's totals for the whole campaign at the end of 2025 quarter 3, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026\-10\-19.

## Vehicles this campaign lists

- [2021 FREIGHTLINER 108SD](/makes/freightliner/108sd/2021/recalls.md)
- [2021 FREIGHTLINER 114SD](/makes/freightliner/114sd/2021/recalls.md)
- 2021 FREIGHTLINER BUSINESS CLASS M2
- [2020 FREIGHTLINER CASCADIA](/makes/freightliner/cascadia/2020/recalls.md)
- [2021 FREIGHTLINER CASCADIA](/makes/freightliner/cascadia/2021/recalls.md)
- [2021 WESTERN STAR 4700](/makes/western-star/4700/2021/recalls.md)
- [2021 WESTERN STAR 4900](/makes/western-star/4900/2021/recalls.md)
- [2021 WESTERN STAR 5700](/makes/western-star/5700/2021/recalls.md)

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [TSB\-32\-020\-WST](/bulletins/11030281.md), 2026-03-27, Service bulletin
- [FleetCom\_Frnt Susp Bush](/bulletins/11029633.md), 2026-03-05, Other
- [FleetCom\_Frnt Susp Spring](/bulletins/11027491.md), 2026-01-08, Other
- [CXA 10\_25\_Front Shock](/bulletins/11025096.md), 2025-11-06, Other
- [CXA\_10\_25\_TufTrac M12](/bulletins/11024969.md), 2025-11-05, Other
- [SF721\-OWN LTR](/bulletins/11023686.md), 2025-10-03, Service campaign
- [SF721\-DLR LTR](/bulletins/11023685.md), 2025-10-03, Service campaign
- [SF721\-Bulletin](/bulletins/11023684.md), 2025-10-03, Service campaign
- [SS734\-WST](/bulletins/11000986.md), 2024-06-05, Other
- [SB32\-056](/bulletins/10208388.md), 2022-03-03, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/20V660000](/v1/recalls/nhtsa/20V660000)

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