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Service bulletins for the 2019 Western Star 4900

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.

292 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
FL7942019-03-11. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER. Brake Caliper Mounting Bolts
ICI19-002 D18M7-2019-03-11. Service bulletin. STEERING. D18M7 ? Replaced by Recall D18R7 (FL802)
1001-18 Engine R2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING. Engine Replacement Procedures
18CSA18 Release2018-12-10. Service bulletin. EQUIPMENT. Release of DiagnosticLink® 8.08 Service Pack 3
sbw0015 Vibratio2018-12-10. Service bulletin. SUSPENSION. Vibration and Harsh ride Troubleshooting
18-032-NoDefectF2018-12-10. Service bulletin. ELECTRICAL SYSTEM. Warranty Bulletin for charge back exemtions
FL766 Western St2018-12-10. Service bulletin. ELECTRICAL SYSTEM. Recall Bulletin FL766- Western Star Power Cable Studs
ICI18-031 FL7662018-12-10. Service bulletin. EQUIPMENT. Important Campaign Information- FL766 Interim Recall Ending ? Final Recall to Begin
18-028 Transport2018-12-10. Service bulletin. EQUIPMENT. Important Warranty Information to Freightliner and Western Star dealers on Transporter Photo Requirement Changes
0805-18 SPN 52102018-12-10. Service bulletin. EQUIPMENT. Service Information Bulletin
DOC-10336992018-12-10. Service bulletin. POWER TRAIN. TS 1033699: DT12 Transmission Driver Interview: Shifting Complaint Questionnaire
DOC-10337682018-12-10. Service bulletin. SERVICE BRAKES. TS 1033768: Western Star Front Brake Squeal - Burnishing Procedure
FL772 Brake Cali2018-12-10. Service bulletin. WHEELS. FL772-Dealer bulletin for Brake Caliper Mounting Bolts recall
sbw00142018-12-10. Service bulletin. EQUIPMENT. Operating Hours for the Customer Assistance Center
sbw310142018-12-10. Service bulletin. SUSPENSION. Airliner Rear Suspension Crossmember Fastener Change
DOC-10334622018-12-10. Service bulletin. VISIBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling
DOC-10334172018-12-10. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS. SS 1033417: WST 4900 Low Max w/Disc Brakes Front Brake Hose rubbing Hood fender
DOC-10334032018-12-10. Service bulletin. VISIBILITY/WIPER; VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR. SS 1033403 - WST Wiper Motor not Parking Issues
DOC-10331942018-12-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. SS - 1033194 WST 4900FA Cab Mounting Crossmember Interfering with Battery Cables Heat Shield
MY18M42018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. MY18M4_Bulletin_02-MAY-2018 Field Service Campaign D18M4
aeo18M42018-12-10. Service bulletin. POWER TRAIN. aeo18M4 Field Service Campaign D18M4
0508-182018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0508-18 Aftertreatment
0504-182018-12-10. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE. 0504-18 Fuel System - Fuel Injectors
0501-182018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0501-18 Aftertreatment Control Module (ACM)
sbw310142018-12-10. Service bulletin. SUSPENSION. sbw31014 Airliner Rear Suspension Crossmember Fastener Change

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.