NHTSA ID Number: 10141827
Manufacturer Communication Number: ssbw49019
TSB/Document Date: 2018-06-18
Summary
ssbw49019 Manguera de presi+?n del l+?quido de escape di+?sel (DEF) desconectada en la conexi+?n del dosificador
Manguera de presión del líquido de escape diésel (DEF)
desconectada en la conexión del dosificador
Constellation
Heritage
> Modelos 4700
Modelos 4800
> Modelos
> Modelos
Modelos
Modelos
4900
5700
5900
6900
49-019
Boletín de servicio
Western Star![]()
Información general
En algunos vehículos GHG14 y GHG17 equipados con un sistema de tratamiento posterior (ATS) de una caja
Detroit, el DEF congelado en climas extremadamente fríos puede empujar la manguera de presión de DEF y
desconectarla de la conexión del dosificador. Vea la Figura 1. En adelante, se instalará en los vehículos
equipados con un ATS de una caja Detroit Diesel una correa de cremallera de plástico a través del soporte de
montaje del dosificador y alrededor de la manguera de presión de DEF.
La instalación de la correa de cremallera de plástico (número de pieza 23-09796-509) evita la desconexión de
la manguera de presión de DEF. La correa de cremallera de plástico puede instalarse como medida preventiva
o después de haberse desconectado la manguera de DEF sin reemplazar dicha manguera.
Procedimiento
1. Estacione el vehículo en una superficie a nivel, pare el motor y ponga los frenos de estacionamiento.
Bloquee los neumáticos.
2. Localice la manguera de presión de DEF en el ATS.
3. Instale una correa de cremallera de plástico a través del soporte de montaje del dosificador y alrededor de
la manguera de presión de DEF como se muestra en la Figura 2.
Garantía
Este procedimiento es cubierto por la garantía sólo si existe la condición descrita, y si la reparación se lleva a
cabo durante el período base o extendido de garantía. Si no se encuentra ninguna falla, este procedimiento se
considera preventivo, y la garantía no lo cubre.
Se aplica la garantía normal. Vea en la Tabla 1 la información sobre los códigos OWL VMRS y la
compensación del trabajo. Ponga el número de este boletín de servicio en la casilla Service Bulletin #.
Boletín de servicio Western Star
, 11/28/2017
Página 1
Manguera de presión del líquido de escape diésel (DEF)
desconectada en la conexión del dosificador
49-019
Boletín de servicio
Western Star![]()
Constellation
Heritage
> Modelos 4700
Modelos 4800
Figura 1, Manguera de DEF rota
> Modelos
> Modelos
Modelos
Modelos
4900
5700
5900
6900
A. Asegúrese de encaminar la correa de cremallera
de plástico a través del soporte de montaje del
dosificador.
B. La correa de cremallera de plástico debe quedar
retorcida como se muestra para sujetarla en su
posición en el acoplamiento de la manguera de
presión.
C. Coloque el bloque de traba de la correa de
cremallera de plástico sobre el acoplamiento de
presión.
Figura 2, Instalación de una correa de cremallera de
plástico en la manguera de presión de DEF y el
dosificador
Pieza primaria que
falló
04-31885-220
Códigos OWL VMRS y compensación del trabajo
Código del
Código de
Código
Descripción
componente
la causa
SRT
043-007-087
24
23WLine, DEF, Doser Connection, Repair,
5010A
SB49-040
Tiempo:
Horas
0.3
Tabla 1, Códigos OWL VMRS y compensación del trabajo
Página 2
Boletín de servicio Western Star
, 11/28/2017
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TSB/Document ID: ssbw49019
Replacement Service Bulletin Number:
MFR Communication Date: 2018-02-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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