# Service bulletin SB\-49\-12

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: 10044353
- Published by NHTSA: 2012\-06\-14
- Manufacturer's number: SB\-49\-12
- Manufacturer's date: 2012\-05\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL

## NHTSA's summary

WESTERN STAR: AROUND THE DIESEL EXHAUST FLUID \(DEF\) AN EXCESSIVE AMOUNT OF CRYSTAL OR POWDER BUILT UP INDICATES A LEAK CAUSED BY EVAPORATION OF DEF EXPOSED TO AIR AND/OR DAMPNESS. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Fuel system

## Vehicles listed

- 2012 to 2013 WESTERN STAR 4700
- 1994 to 2002 WESTERN STAR 4800
- WESTERN STAR 48FX
- 1994 to 2013 WESTERN STAR 4900
- 2002 to 2011 WESTERN STAR 4900 SA
- 2003 to 2004 WESTERN STAR 4900EX
- 2006 to 2007 WESTERN STAR 4900EX
- 2000 WESTERN STAR 4900FA
- 2003 to 2004 WESTERN STAR 4900FA
- 2003 to 2004 WESTERN STAR 4900SA
- 1997 to 2001 WESTERN STAR 5800
- 2002 WESTERN STAR 5800
- WESTERN STAR 5900
- 1994 WESTERN STAR 5900
- 1996 to 2003 WESTERN STAR 5900
- WESTERN STAR 5900 HEAVY DUTY
- WESTERN STAR 5900SS
- WESTERN STAR 59SS
- 1994 to 2013 WESTERN STAR 6900
- WESTERN STAR CONSTELLATION
- 1995 to 1999 WESTERN STAR CONSTELLATION
- 2001 WESTERN STAR CONSTELLATION
- 2009 to 2012 WESTERN STAR CONSTELLATION

## Recalls for the same vehicles and component

- [12V074000](/recalls/nhtsa/12V074000.md), 2012-02-28: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2012080](/recalls/tc/2012080.md), 2012-02-27: Fuel System
- [11V605000](/recalls/nhtsa/11V605000.md), 2011-12-27: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [2011439](/recalls/tc/2011439.md), 2011-12-22: Engine
- [2011345](/recalls/tc/2011345.md), 2011-09-19: Fuel System
- [11V478000](/recalls/nhtsa/11V478000.md), 2011-09-16: FUEL SYSTEM, DIESEL
- [11V287000](/recalls/nhtsa/11V287000.md), 2011-05-18: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
- [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

## Other bulletins for the same vehicles and component

- [SS1033094](/bulletins/10195575.md), 2021-06-09, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE \(MAP\) SENSOR. Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
- [16TS\-08REV](/bulletins/10190555.md), 2021-04-24, Service bulletin: ENGINE AND ENGINE COOLING. Detroit Technical Service Letter for DD13 Cylinder Head and Cylinder Head Gasket Change.
- [WI21\-009](/bulletins/10190551.md), 2021-04-24, Service bulletin: ENGINE AND ENGINE COOLING. Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times \(SDTs\) shown. The updated after treatment system \(ATS\) diesel exhaust fluid \(DEF\) pump times will be applied to repair orders opened on or after April 12, 2021.
- [TechTalk8161](/bulletins/10188012.md), 2021-03-03, Service bulletin: FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Tech Talk discussion on DD15 HARD TO START UNLESS PLUGGED IN.
- [TechTalk7719](/bulletins/10187903.md), 2021-03-02, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. Tech Talk continuing discussion on 625 FMI 14.
- [D21M2](/bulletins/10187892.md), 2021-03-02, Service bulletin: ENGINE AND ENGINE COOLING. DDC Field Service Campaign for GHG14 DETROIT DD13 with One\-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in California will require reprogramming to a minimum of the MCM software version and fuel map version listed below: MCM Software Version 4.7.0.0 ZGS 005.
- [Techtalk7931](/bulletins/10184912.md), 2020-12-31, Service bulletin: ENGINE AND ENGINE COOLING. Tech Talk discussion on Injector \#2 response time long.
- [18SP745](/bulletins/10183955.md), 2020-12-08, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Special Publication Letter for EPA07 EPA10 Three\-Filter Fuel System DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit
- [18SP744](/bulletins/10183954.md), 2020-12-08, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. Special Publication letter for Two\-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit.
- [20TS\-09](/bulletins/10183733.md), 2020-12-07, Service bulletin: ENGINE AND ENGINE COOLING. Technical Service Letter for SPN 3711 FMI 31 on GHG17 DD15 Trucks.

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