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Service bulletins for the 2003 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.

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

By type

By component

Bulletins, newest first
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
ICI12-0242018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI12-024-DLR SF453 - Termination Date Extended
sbw31092018-06-11. Service bulletin. EQUIPMENT. sbw3109 Huck-Spin 2 Changeover
sbw54632018-06-11. Service bulletin. EQUIPMENT. sbw5463 Nexiq USB-Link Upgrade and Diagnostic Connector
sbw49112018-06-11. Service bulletin. ELECTRICAL SYSTEM. sbw4911 DEF Gauge Reading Incorrectly
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
sbw490172018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. Magnetized Fill Neck for Six-Gallon DEF Tanks
0514-162018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Cleaning of the Exhaust Gas Recirculation Venturi Pipe Delta P Sensor Ports
0504-162018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Inspection of the DD13 Turbocharger
18SP726rev2018-03-13. Service bulletin. FUEL SYSTEM, GASOLINE. 18SP726 ? EPA10 GHG14 Two-Filter Fuel System KM59 GEN1 DD13 High Pressure Fuel Fee
sbw32152018-03-13. Service bulletin. STRUCTURE. Some vehicles may have been incorrectly shimmed at the factory, and may lean slightly to the right or left. While this does not affect the operation of the vehicle, it may be visually unpleasing to many customers.
sbw42062018-03-05. Service bulletin. SERVICE BRAKES. sbw4206 Brake Shimmy - Meritor SteeLite X30 Brake Drum With Excessive Runout
12-0222018-03-05. Service bulletin. UNKNOWN OR OTHER. 12-022-DLR Daimler Trucks Remarketing Corporation (DTR) Now Requires Pre-approval for Repairs $1,200 (USD) and Greater
14TL-72018-03-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 14TL-7Rev DD Platform Flywheel Housing Runout Tool W470589032100
15TL62018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. 15TL6 W470589129100 ? HDEP HP Fuel Rail Test Caps
15TS32018-03-05. Service bulletin. ENGINE AND ENGINE COOLING. 15TS3 Detroit? Coolant Change From Nitrite Organic Acid Technology
15TS102018-03-05. Service bulletin. ENGINE AND ENGINE COOLING. 15TS10Rev DD Engine Platform Coolant Filter
15CSA102018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15CSA10 The Detroit CSC announcing a new feature ? Ability to attach files to an existing CSC
15CSA92018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15CSA9 Release of DiagnosticLink® 8.02
sbw20232018-03-05. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sbw2023 Modine Copper/Brass Bolted Downflow Radiator Rebuilding
15-0172018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE. 15-017 Detroit: Updated Fuel Injector SDTs
15-0162018-03-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 15-016-DLR New Essential Tool For CPWA, CPPRA, Ltd CPPRA, & DSDWC Parties: Cadex CA-12 Battery Tester

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