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Service bulletins for the 2018 Western Star 4700

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.

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

By type

By component

Bulletins, newest first
sbw54642018-06-18. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY. sbw5464 Fuel Level Sending Unit Retrofit
sbw54392018-06-18. Service bulletin. ELECTRICAL SYSTEM. sbw5439 RX Module Fault Codes
sbw42062018-06-18. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, AIR:DRUM. sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout
fsbw490192018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. fsbw49019 Conduite sous pression de fluide pour échappement diesel (DEF) débranchée au niveau du raccordement du doseur
fsbw420102018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. fsbw42010 Inspection d'absence de fuites d'air par les transporteurs concessionnaires
fsbw420092018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. fsbw42009 Diagnostic de fuite d'air
FL7562018-06-18. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS. FL756 Brake Light Pressure Switches
sbw54552018-06-11. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
sbw20192018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. sbw2019 Kysor Fan Clutch Rocking Runout Inspection
sbw31092018-06-11. Service bulletin. EQUIPMENT. sbw3109 Huck-Spin 2 Changeover
98-12018-06-11. Service bulletin. STRUCTURE. 98-1 - Paint Finish Standards
20-222018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 20-22 - Premature Belt Wear on Cummins ISL
sbw54572018-06-11. Service bulletin. ELECTRICAL SYSTEM. sbw5457 Powernet Troubleshooting Guide: Batteries, Path, Alternator
sbw54012018-06-11. Service bulletin. ELECTRICAL SYSTEM. sbw5401 Turn Signal and Brake Override Circuit
sbw54632018-06-11. Service bulletin. EQUIPMENT. sbw5463 Nexiq USB-Link Upgrade and Diagnostic Connector
1102-172018-06-11. Service bulletin. ELECTRICAL SYSTEM. SPN 157 (MCM) (GHG17)
1101-172018-06-11. Service bulletin. EQUIPMENT. Symptom Diagnostics - Noisy One-Box Aftertreatment
1105-172018-06-11. Service bulletin. FUEL SYSTEM, DIESEL. EPA10, GHG14 and GHG17 Diesel Particulate Filters
1110-172018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Exhaust and Exhaust Gas Recirculation
49-0192018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Diesel Exhaust Fluid (DEF) Pressure Line Disconnected at the Doser Connection
sbw54012018-06-11. Service bulletin. EXTERIOR LIGHTING. sbw5401 Turn Signal and Brake Override Circuit
sbw98012018-06-11. Service bulletin. STRUCTURE. sbw9801 Paint Finish Standards
sbw83252018-06-11. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. sbw8325 Side Window Defroster and Cooling Improvement Retrofit
DOC-10333332018-06-11. Service bulletin. ELECTRICAL SYSTEM. SS 1033333 - WST ECC Replacement Jumper Harness Installation.
0312-182018-06-11. Service bulletin. POWER TRAIN. 0312-18 Installation Output Shaft Seal

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