Service bulletin WSB-49-11
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 | 10054667 |
| Published by NHTSA | 2014-02-13 |
| Manufacturer's number | WSB-49-11 |
| Manufacturer's date | 2013-12-01 |
| NHTSA component | FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY |
NHTSA's summary
WESTERN STAR: WHEN TRUCK SITS, FOR ANY EXTENDED PERIOD, WITH A DIESEL EXHAUST FLUID (DEF) SYSTEM, IT WOULD CRYSTALLIZED, IN THE TANK, AROUND FLOAT, ON DEF LEVEL SENDING UNIT TUBE AND NEEDS TO BE CLEANED. *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
Fuel system, Fuel tank
| WESTERN STAR 4700 | 2009, 2010, 2011, 2012, 2013, 2014 |
|---|---|
| WESTERN STAR 4900 | 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
| WESTERN STAR 4900 SA | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it) |
| WESTERN STAR 4900EX | 2006, 2007 (the catalog's model; the bulletin names a series or trim of it) |
| WESTERN STAR 6900 | 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
| WESTERN STAR CONSTELLATION | 2009 to 2012 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 0607-17 | 2019-04-08. Service bulletin. SPN 96 (MCM) (GHG17) |
|---|---|
| 707-13 | 2018-06-18. Service bulletin. 707-13 Description and Operation of the HC Doser Fuel Supply Pressure Control Valve - Two Filter System |
| 706-13 | 2018-06-18. Service bulletin. 706-13 SPN 157-FMI 10, 15, 17, 18 - GHG14 |
| 611-13 | 2018-06-18. Service bulletin. 611-13 Removal and Installation of the GHG14 Six-Gallon Diesel Exhaust Fluid Tank Header |
| 0127-17 | 2018-04-16. Service bulletin. 0127-17 SPN 1077 FMI 14 (GHG14) (GHG17) (MCM) |
| 1110-14 | 2017-10-21. Service bulletin. 1110-14 EPA10 DOC Inlet Pressure Sensor |
| WS-49-13 | 2014-06-05. Service bulletin. WESTERN STAR: AT RETURN LINE FITTING, DURING COLD EXTREME TEMPERATURES, THE DIESEL EXHAUST FLUID (DEF) TANK WOULD FREEZE. *PE |
| SB-49-11 | 2014-06-04. Service bulletin. WESTERN STAR: IF DIESEL EXHAUST FLUID (DEF) SYSTEMS IS SITTING FOR EXTENDED TIME, IN TANK, WILL CRYSTALLIZE AROUND FLOAT OF LEVEL SENDING UNIT TUBE AND NEEDS CLEANING TO PREVENT A FALSE OR INCORRECT GAUGE READING. MODEL CONSTALLATION, 4700, 4800, 4900, 5900, 6900. NO YEARS LISTED. *PE |
| FSC-410A | 2009-11-09. Service bulletin. WESTERN STAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN VEHICLES MAY HAVE BEEN BUILT WITH 25 INCH DIAMETER FUEL TANK LEVEL SENDER ARMS AND FLOATS THAT MAY CONTACT THE TANK WALL AND GET STUCK, POSSIBLY RESULTING IN AN INACCURATE FUEL LEVEL GAUGE READING. *PE |