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Service bulletin WSTCAE161-2017

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 id10193566
Published by NHTSA2021-05-18
Manufacturer's numberWSTCAE161-2017
Manufacturer's date2017-12-20
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; EQUIPMENT; FUEL SYSTEM, GASOLINE

NHTSA's summary

Volume-Based Rectangular Fuel Tank Change

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

Equipment and accessories, Fuel system, Fuel tank

Vehicles listed
WESTERN STAR 47002018

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
0607-172019-04-08. Service bulletin. SPN 96 (MCM) (GHG17)
0312-172018-06-18. Service bulletin. (MCM) GHG17
0320-172018-06-18. 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
0127-172018-04-16. Service bulletin. 0127-17 SPN 1077 FMI 14 (GHG14) (GHG17) (MCM)