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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
714-142018-02-12. Service bulletin. ENGINE. 714-14 Symptom Diagnostics - Low Engine Compression
712-142018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. 712-14 Engine Coolant Temperature
16TS82018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. 16TS8 DD13 Cylinder Head and Cylinder Head Gasket Change
0304-16 SPN 27912018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. 0304-16 SPN 2791 (MCM) ( GHG14) and SPN 2791 (MCM) ( GHG17)
0303-162018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. Hydrocarbon Doser Coolant Lines
sbw49102018-01-16. Service bulletin. ENGINE. sbw4910 Gentech DEF Coolant-Flow Solenoid, Testing and Replacement
15-028A2018-01-05. Service bulletin. ENGINE AND ENGINE COOLING. 15-028 New Detroit Coolant Line SRTs
15TS172018-01-05. Service bulletin. ENGINE. GHG14 DD Platform Engines With Code SPN: 3216 FMI: 18, SCR Inlet NOx Sensor Drift Low
0228-142018-01-05. Service bulletin. ENGINE. 0228-14 Engine Oil Leaks - Oil Dye Method
0229-142018-01-05. Service bulletin. ENGINE. 0229-14 Symptom Based Diagnostics - Oil Separator
49-142018-01-05. Service bulletin. ENGINE AND ENGINE COOLING. 49-14 - DEF Tank Coolant Valve O-Ring Kit
14-040A2017-11-17. Service bulletin. ENGINE. 14-040_Additional_CLOs Additional Detroit CLOs for the Heavy Duty Engine Platform
1005-142017-11-17. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. 1005-14 Oil Coolant Module
14-0402017-11-17. Service bulletin. ENGINE. 14-040 Additional Detroit CLOs for the Heavy Duty Engine Platform
sb20802017-11-17. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sb2080 Australian CST M1400 Isolated Radiator Retrofit
aeo16M32017-10-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. aeo16M3 Field Service Campaign
16M32017-10-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 16M3_bulletin Motor Control Module (MCM)

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