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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
0307-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. (ACM) (GHG17)
0307-17 SPN2018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. (ACM) (GHG17)
0316-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING. (MCM) (GHG17)
0318-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE AND ENGINE COOLING; ENGINE. (MCM) (GHG17)
0317-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. (MCM) (GHG17)
0319-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). (MCM) (GHG17)
0329-172018-06-18. Service bulletin. ENGINE. Symptom Diagnostics - Oil Leaks
0304-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. Contaminated Fluids Diagnostic Tests
0305-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). Diagnostic Tests
0327-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. (ACM) (GHG17)
0308-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. (ACM) (GHG17)
0315-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. GHG14 - Intake Manifold Pressure Too Low
0314-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. GHG14 Intake Manifold Pressure Too Low
0303-172018-06-18. Service bulletin. ENGINE. (CPC)(EPA10-GHG14) and SPN 98 (CPC)(GHG17)
0301-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0301-17 Contaminated Fluids
sbw540652018-06-18. Service bulletin. ENGINE; EQUIPMENT. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
711-132018-06-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 711-13 SPN 100-FMI 4 - ALL YEARS
717-132018-06-18. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT:MECHANICAL; EQUIPMENT ADAPTIVE/MOBILITY. 717-13 Oil Pan
0203-17 SPN 57412018-06-18. Service bulletin. ENGINE. 0203-17 SPN 5741 FMI 13 (GHG17) (MCM)
0208-17 SPN 4122018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 0208-17 SPN 412 (MCM) (GHG17)
0206-17 SPN 52102018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0206-17_ SPN 521049 (MCM) (GHG17)
0202-172018-06-18. Service bulletin. ENGINE. 0202-17 DD13, DD15, and DD16 Cylinder Head Assembly Removal and Installation
18SP7332018-06-18. Service bulletin. ENGINE. 18SP733 GHG17 Medium Duty DD8 Oil Filter Kit
304-152018-06-18. Service bulletin. EQUIPMENT; ENGINE. 304-15 Diagnostic Tests
303-152018-06-18. Service bulletin. ENGINE. 303-15 Contaminated Fluids

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