# Service bulletin sbw8326

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: 10129654
- Published by NHTSA: 2018\-03\-05
- Manufacturer's number: sbw8326
- Manufacturer's date: 2015\-05\-01
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

sbw8326 HVAC Blower Motor Noise

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10129654-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10129654-0001.pdf)

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

## Components

Engine

## Vehicles listed

- 2010 to 2016 WESTERN STAR 4700
- 2010 to 2016 WESTERN STAR 4800
- 2010 to 2016 WESTERN STAR 4900
- 2010 to 2016 WESTERN STAR 6900

## Recalls for the same vehicles and component

- [2015484](/recalls/tc/2015484.md), 2015-10-16: Engine
- [15V620000](/recalls/nhtsa/15V620000.md), 2015-10-02: ELECTRICAL SYSTEM:IGNITION:MODULE; ENGINE AND ENGINE COOLING:ENGINE
- [12V074000](/recalls/nhtsa/12V074000.md), 2012-02-28: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [11V605000](/recalls/nhtsa/11V605000.md), 2011-12-27: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2011439](/recalls/tc/2011439.md), 2011-12-22: Engine
- [2011141](/recalls/tc/2011141.md), 2011-03-29: Engine
- [11V207000](/recalls/nhtsa/11V207000.md), 2011-03-29: ENGINE AND ENGINE COOLING
- [11V146000](/recalls/nhtsa/11V146000.md), 2011-03-03: ENGINE AND ENGINE COOLING
- [10V341000](/recalls/nhtsa/10V341000.md), 2010-07-27: ENGINE AND ENGINE COOLING
- [10V112000](/recalls/nhtsa/10V112000.md), 2010-03-23: ENGINE AND ENGINE COOLING

## 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.
- [ICI24\-051](/bulletins/11012298.md), 2025-01-03, Other: ENGINE. Important Campaign Information letter for DDC D24R4 \- Campaign Reactivated
- [ICI24\-050](/bulletins/11012297.md), 2025-01-03, Other: ENGINE. Important Campaign Information letter for DDC D24R4 \- Campaign Inactivated

JSON: [/v1/bulletins/10129654](/v1/bulletins/10129654)

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