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Service bulletins for the 2016 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.

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

By type

By component

Bulletins, newest first
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
sbw8329 HVAC Fre2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. Service Bulletin: HVAC Fresh Air Intake Water Leak
ICI18-022 FL7732018-12-10. Service bulletin. EQUIPMENT. FL773 ? Interim Recall Notice
sbw00142018-12-10. Service bulletin. EQUIPMENT. Operating Hours for the Customer Assistance Center
DOC-10334622018-12-10. Service bulletin. VISIBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling
DOC-10334462018-12-10. Service bulletin. POWER TRAIN. Vehicles with Meritor drivelines bene from a softer durometer center bearing support. Vehicle will continue to have a 1st order driveline vibration after the driveline assembly was rebalanced.
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
0505-182018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. 0505-18 SPN 3563 HDEP Inlet manifold pressure Too Low
0503-182018-12-10. Service bulletin. EQUIPMENT; ENGINE. 0503-18 Relative Cylinder Compression Test
0502-182018-12-10. Service bulletin. ENGINE AND ENGINE COOLING. 0502-18 Symptom Diagnostics - Low Engine Coolant Temperature
18SP7342018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. 18SP734 18SP734?GHG14 DD15AT Turbocharger
sbw83292018-12-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. sbw8329 HVAC Fresh Air Intake Water Leak, 4700, 4900, and 5700
ICI18-016 FL7562018-12-10. Service bulletin. EQUIPMENT. ICI18-016 FL756 ? Automotive Connector Terminal Removal Tool
FL7562018-12-10. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. FL756 Brake Light Pressure Switches
D17M1 GHG17 DD152018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. Field Service Campaign: GHG17 DD15 Model Year 2016 Diesel Particulate Filter (DPF)
D18M4 Remanufact2018-12-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Field Service Campaign: Remanufactured Detroit? DT12? Transmission
DOC-10334622018-10-29. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling
DOC-10334462018-10-29. Service bulletin. POWER TRAIN. SS1033446 Driveline Support Bearing - Meritor Driveline
DOC-10334172018-10-29. Service bulletin. SERVICE BRAKES, HYDRAULIC. SS 1033417: WST 4900 Low Max w/Disc Brakes Front Brake Hose rubbing Hood fender
DOC-10334032018-10-29. Service bulletin. VISIBILITY. SS 1033403 - WST Wiper Motor not Parking Issues
DOC-10331942018-10-29. 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
0505-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0505-18 SPN 3563 HDEP Inlet manifold pressure Too Low

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