# Service bulletin SF670

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 bulletin
- NHTSA id: 10238259
- Published by NHTSA: 2023\-07\-05
- Manufacturer's number: SF670
- Manufacturer's date: 2023\-06\-19
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

Field Service Campaign for Heated Fuel Water Separator

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10238259-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10238259-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2022 to 2023 FREIGHTLINER 108SD
- 2022 to 2023 FREIGHTLINER 114SD
- 2022 to 2023 FREIGHTLINER BUSINESS CLASS M2

## Recalls for the same vehicles and component

- [26V660000](/recalls/nhtsa/26V660000.md), 2026-10-07: FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- [2021756](/recalls/tc/2021756.md), 2021-12-13: Fuel System
- [21V965000](/recalls/nhtsa/21V965000.md), 2021-12-13: FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL

## Other bulletins for the same vehicles and component

- [PB\-47\-903\-FTL](/bulletins/11029526.md), 2026-03-04, Other: FUEL/PROPULSION SYSTEM. Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- [FleetCom\_PB\-47\-903\-FTL](/bulletins/11029521.md), 2026-03-04, Other: FUEL/PROPULSION SYSTEM. Fleet Communications for parts bulletin on Fluorosilicone Fuel Tank Cap Seals
- [MYCOM\_09022025\-1](/bulletins/11023660.md), 2025-10-03, Other: FUEL/PROPULSION SYSTEM. My Communications for UFI 0\-Ring Announcement
- [ICI23\-028](/bulletins/10240129.md), 2023-08-05, Service bulletin: FUEL SYSTEM, GASOLINE. Important Campaign Information Letter for SF670 Campaign Reactivation
- [ICI23\-027](/bulletins/10238403.md), 2023-07-05, Service bulletin: FUEL SYSTEM, GASOLINE. Important Campaign Information Letter for SF670 Campaign Suspended

JSON: [/v1/bulletins/10238259](/v1/bulletins/10238259)

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