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Service bulletins for the 2016 Western Star 6900

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.

434 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
0356-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). (MCM) (GHG17)
0322-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. (MCM) (GHG17)
0309-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE. (MCM) (GHG17)
0324-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. (MCM) (GHG17)
0310-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. (MCM) (GHG17)
0325-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. (MCM) (GHG17)
0306-172018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. (ACM) (GHG17)
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
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)

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