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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
308-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE. 308-15 Symptom Diagnostics - Oil Present at the Turbocharger Compressor
323-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; EQUIPMENT. 323-15 Symptom Diagnostics ? Noise
306-152018-06-18. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 306-15 SPN 3246 (ACM)(EPA10;GHG14)
321-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 321-15 SPN 4364 (ACM) (GHG14)
320-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 320-15 SPN 4374 (ACM) (GHG14)
301-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 301-15 SPN 3251 (ACM) (EPA10) and (ACM) (GHG14), 3936 (ACM)
302-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE. 302-15 Crankshaft Oil Seals
0404-182018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0404-18 GHG17 DD8 - Aftertreatment Systems - Diesel Particulate Filter End Cap
0402-182018-06-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM. 0402-18 SPN 625 (CPC) (GHG14)
ssbw490192018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. ssbw49019 Manguera de presión del líquido de escape diésel (DEF) desconectada en la conexión del dosificador
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
sbw20192018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. sbw2019 Kysor Fan Clutch Rocking Runout Inspection
15TS62018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 15TS6 Replacement of the High Pressure Fuel Pump Camshaft Oil Seal
0202-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 0202-15 EPA10 and GHG14 Diesel Oxidation Catalyst Face Cleaning
0203-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 0203-15 Oil Filter Stand Pipe
15TS14 GHG142018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 15TS14 GHG14 DD Engine Cylinder Liner Seal Replacement
708-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 708-15 High Pressure Fuel Pump Camshaft Oil Seal - Two-Filter System
711-152018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. 711-15 High Pressure Fuel Pump Camshaft Oil Seal - Three-Filter System
702-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 702-15 DD15 and DD16 Delphi © Exhaust Gas Recirculation Valve Actuator
805-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 805-15 FMI 0: Selective Catalyst Reduction Outlet Temperature High
803-152018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. 803-15 Removal of the Camshaft Housing
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

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