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Service bulletin WSTCAE165-2018

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 id10193753
Published by NHTSA2021-05-18
Manufacturer's numberWSTCAE165-2018
Manufacturer's date2018-05-04
NHTSA componentSERVICE BRAKES, AIR:SPIDER; SERVICE BRAKES, HYDRAULIC

NHTSA's summary

Certain Stamped Spider Drum Brakes Replaced by Cast Spider Drum Brakes on Steer Axles

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

Brakes

Vehicles listed
WESTERN STAR 47002018
WESTERN STAR 48002018

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

Recalls for the same vehicles and component
20192372019-05-17. Brakes
20185502018-10-09. Brakes
18V7030002018-10-05. SERVICE BRAKES, AIR:DISC:CALIPER
20182852018-05-30. Brakes
18V3530002018-05-29. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
20175832017-11-28. Brakes
20175802017-11-28. Brakes

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TechTalk5666472021-06-02. Service bulletin. Tech Talk Discussion 121-8861-005 3 Compartment air tank with one way internal check valve
sbw540652021-03-15. Service bulletin. sbw54065 GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Guage
TS10337682020-07-31. Service bulletin. Training Solution for Western Star Front Brake Squeal - Burnishing Procedure. The brake burnishing procedure can be used to help reduce brake related noise or imbalance concerns which may occur in the field.
FL7942019-03-18. Service bulletin. FL794 Brake Caliper Mounting Bolts Dealer Bulletin
FL7942019-03-11. Service bulletin. Brake Caliper Mounting Bolts
ICI19-003 FL7942019-03-11. Service bulletin. FL794 - Revised Bulletin Brake Caliper Mounting Bolts
FL794 REV2019-03-11. Service bulletin. FL794 Recall Campaign- Brake Caliper Mounting Bolts
DOC-10337682018-12-10. Service bulletin. TS 1033768: Western Star Front Brake Squeal - Burnishing Procedure
FL7562018-10-29. Service bulletin. Brake Light Pressure switch may not activate the brake lights with a light application of the brake pedal.
ssbw420102018-06-18. Service bulletin. ssbw42010 Inspección de fugas de aire del transportista concesionario