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Service bulletin 0320-17

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10142107
Published by NHTSA2018-06-18
Manufacturer's number0320-17
Manufacturer's date2017-03-20
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

NHTSA's summary

(MCM)(GHG17)

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Fuel tank

Vehicles listed
FREIGHTLINER 114SD2016, 2017, 2018
FREIGHTLINER 122SD2016 to 2018
FREIGHTLINER BUSINESS CLASS M22016 to 2018
FREIGHTLINER CASCADIA2016, 2017, 2018
WESTERN STAR 47002016, 2017, 2018
WESTERN STAR 49002016, 2017, 2018
WESTERN STAR 57002016, 2017, 2018
WESTERN STAR 69002016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
WSTCAE161-20172021-05-18. Service bulletin. Volume-Based Rectangular Fuel Tank Change
FL721A-E2019-04-08. Service bulletin. FL721 CNG Fuel Tank and CPDM Mounting Location
ICI17-0182019-04-08. Service bulletin. FL721 Fifth Revised Bulletin
0607-172019-04-08. Service bulletin. SPN 96 (MCM) (GHG17)
0312-172018-06-18. Service bulletin. (MCM) GHG17
707-132018-06-18. Service bulletin. 707-13 Description and Operation of the HC Doser Fuel Supply Pressure Control Valve - Two Filter System
sb490382018-06-18. Service bulletin. sb49038 Magnetized Fill Neck for Six-Gallon DEF TanksB
sb49372018-06-18. Service bulletin. sb4937 2013 OBD GHG14, 6-Gallon DEF Header Suction Line Connection Broken by Ice PressureB
0127-172018-04-16. Service bulletin. 0127-17 SPN 1077 FMI 14 (GHG14) (GHG17) (MCM)
1110-142017-10-21. Service bulletin. 1110-14 EPA10 DOC Inlet Pressure Sensor