# Service bulletin fsbw49019

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: 10141657
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: fsbw49019
- Manufacturer's date: 2018\-02\-01
- NHTSA component: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

fsbw49019 Conduite sous pression de fluide pour échappement diesel \(DEF\) débranchée au niveau du raccordement du doseur

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141657-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141657-0001.pdf)

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

## Components

Engine, Exhaust and emissions, Fuel system

## Vehicles listed

- 2012 to 2018 WESTERN STAR 4700
- 2012 to 2018 WESTERN STAR 4900
- 2012 to 2018 WESTERN STAR 5700

## Recalls for the same vehicles and component

- [2021271](/recalls/tc/2021271.md), 2021-05-07: Fuel System
- [21V326000](/recalls/nhtsa/21V326000.md), 2021-05-07: FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
- [2018469](/recalls/tc/2018469.md), 2018-08-31: Fuel System
- [18V581000](/recalls/nhtsa/18V581000.md), 2018-08-30: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [17V450000](/recalls/nhtsa/17V450000.md), 2017-07-19: FUEL SYSTEM, DIESEL
- [2017358](/recalls/tc/2017358.md), 2017-07-18: Fuel System
- [16V416000](/recalls/nhtsa/16V416000.md), 2016-06-09: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2016285](/recalls/tc/2016285.md), 2016-06-06: Engine
- [2015484](/recalls/tc/2015484.md), 2015-10-16: Engine
- [2015483](/recalls/tc/2015483.md), 2015-10-16: Fuel System

## Other bulletins for the same vehicles and component

- [PB\-47\-900\-WST](/bulletins/11034507.md), 2026-07-06, Service bulletin: FUEL/PROPULSION SYSTEM. Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- [CXA 3\_25\_NOx](/bulletins/11016309.md), 2025-04-02, Other: ENGINE. CX Advocate for NOx conversion low faults
- [CXA 2\_25\_Turbo Oil Drain](/bulletins/11014819.md), 2025-03-04, Other: ENGINE. CX Advocate for turbo oil drain cracking
- [CXA 2\_25\_NOx](/bulletins/11014818.md), 2025-03-04, Other: ENGINE. CX Advocate for NOx conversion low faults
- [CXA 1\_16\_Turbo Oil Drain](/bulletins/11013206.md), 2025-01-29, Other: ENGINE. CX Advocate for turbo oil drain cracking
- [CXA 1\_16\_NOx](/bulletins/11013204.md), 2025-01-29, Other: ENGINE. CX Advocate for NOx conversion low faults
- [CXA 1\_16\_GATS2.4](/bulletins/11013201.md), 2025-01-29, Other: ENGINE. CX Advocate for GATS2.4 being expanding to DD15
- [CXA 1\_16\_DD13 Altitude](/bulletins/11013199.md), 2025-01-29, Other: ENGINE. CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
- [CXA 1\_16\_CARB Truck Chec](/bulletins/11013196.md), 2025-01-29, Other: ENGINE. CX Advocate for CARB tightening the Readiness Criteria applied to On\-Board Diagnostic \(OBD\) test submissions for the Clean Truck Check.
- [D24R2\-OWN LTR](/bulletins/11012368.md), 2025-01-06, Emissions: ENGINE. Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming

JSON: [/v1/bulletins/10141657](/v1/bulletins/10141657)

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