# Service bulletin sbw4910

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: 10141872
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: sbw4910
- Manufacturer's date: 2013\-06\-01
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT

## NHTSA's summary

sbw4910 Gentech DEF Coolant\-Flow Solenoid, Testing and Replacement

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10141872-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10141872-0001.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2018 WESTERN STAR 4700
- 2018 WESTERN STAR 4800
- 2018 WESTERN STAR 4900
- 2018 WESTERN STAR 5900
- 2018 WESTERN STAR 6900
- 2016 WESTERN STAR CONSTELLATION

## Recalls for the same vehicles and component

- [18V581000](/recalls/nhtsa/18V581000.md), 2018-08-30: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [17V452000](/recalls/nhtsa/17V452000.md), 2017-07-17: EQUIPMENT

## Other bulletins for the same vehicles and component

- [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.
- [CXA 11\_21\_CARB Truck Chec](/bulletins/11011082.md), 2024-12-04, Other: ENGINE. CX Advocate for CARB tightening the Readiness Criteria applied to On\-Board Diagnostic \(OBD\) test submissions for the Clean Truck Check.
- [WI24\-019](/bulletins/11011076.md), 2024-12-04, Warranty extension: ENGINE. Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates

JSON: [/v1/bulletins/10141872](/v1/bulletins/10141872)

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