WenmarOpen by Wenmar Pro

Service bulletins for the 2016 Western Star 5900

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.

146 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
SPN 3563 / FMI 22019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. HDEP GHG17 engines are not equipped with turbo wastegates. Steps in this troubleshooting involving wastegates were removed.
19TS-62019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean the DOC inlet face and reduce downtime due to DOC face plugging.
sbw540652019-04-01. Service bulletin. ENGINE. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
sbw540652019-04-01. Service bulletin. ENGINE. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
sbw540652018-06-18. Service bulletin. ENGINE; EQUIPMENT. GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Gauge
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
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
15-0092018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. 15-009 New Detroit Standard Diagnostic Times
14TL22018-02-12. Service bulletin. ENGINE. 14TL2 DD Platform Engine Stand Adapter W060589023100
713-142018-02-12. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 713-14 Symptom Diagnostics - Combustion Gas in Coolant
715-142018-02-12. Service bulletin. ENGINE AND ENGINE COOLING. 715-14 Symptom Diagnostics - Coolant Los
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
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
901-152018-01-05. Service bulletin. ENGINE. 901-15 Oil Breather Vent
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

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