WenmarOpen by Wenmar Pro

Service bulletins for the 2008 Western Star 4700

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.

325 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
802-142017-11-17. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 802-14 FMI 3, 4: Diesel Exhaust Fluid Pressure Sensor Circuit Failed High and low
807-142017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. 807-14 FMI 8 SCR Inlet Temperature Signal Spike
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
14TS262017-10-15. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. 14TS26 Replacement of the High Pressure Fuel Pump Camshaft Oil Seal
912-142017-10-15. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. 912-14 Coolant in Oil
913-142017-10-15. Service bulletin. ENGINE. 913-14 Checking for Poor Engine Brake Performance
905-142017-10-15. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. 905-14 Coolant Level Circuit Failed
915-142017-10-15. Service bulletin. ENGINE. 915-14 Backwards Running Engine Detecte
917-142017-10-15. Service bulletin. ENGINE. 917-14 Installation and Removal of the Oil Filter Stand Pipe
18SP7062017-10-15. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 18SP706 Replacement of the High Pressure Fuel Pump Camshaft Oil Seal
18SP6872017-10-15. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). 18SP687 18SP687 DD15/16 EGR Actuator Replacement Service Kit

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