# Service bulletin WS\-49\-13

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: 10055515
- Published by NHTSA: 2014\-06\-05
- Manufacturer's number: WS\-49\-13
- Manufacturer's date: 2014\-02\-01
- NHTSA component: FUEL SYSTEM, DIESEL: PRE\-HEATER; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

## NHTSA's summary

WESTERN STAR: AT RETURN LINE FITTING, DURING COLD EXTREME TEMPERATURES, THE DIESEL EXHAUST FLUID \(DEF\) TANK WOULD FREEZE. \*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

## Vehicles listed

- 2014 WESTERN STAR 4700
- 2014 WESTERN STAR 4900
- 2014 WESTERN STAR 6900
- 2012 WESTERN STAR CONSTELLATION

## Other bulletins for the same vehicles and component

- [0607\-17](/bulletins/10158039.md), 2019-04-08, Service bulletin: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. SPN 96 \(MCM\) \(GHG17\)
- [707\-13](/bulletins/10142015.md), 2018-06-18, Service bulletin: FUEL SYSTEM, DIESEL; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE. 707\-13 Description and Operation of the HC Doser Fuel Supply Pressure Control Valve \- Two Filter System
- [611\-13](/bulletins/10141884.md), 2018-06-18, Service bulletin: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, DIESEL. 611\-13 Removal and Installation of the GHG14 Six\-Gallon Diesel Exhaust Fluid Tank Header
- [0127\-17](/bulletins/10133579.md), 2018-04-16, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, OTHER. 0127\-17 SPN 1077 FMI 14 \(GHG14\) \(GHG17\) \(MCM\)
- [1110\-14](/bulletins/10120482.md), 2017-10-21, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. 1110\-14 EPA10 DOC Inlet Pressure Sensor
- [SB\-49\-11](/bulletins/10055494.md), 2014-06-04, Service bulletin: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. 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
- [WSB\-49\-11](/bulletins/10054667.md), 2014-02-13, Service bulletin: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. 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

JSON: [/v1/bulletins/10055515](/v1/bulletins/10055515)

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