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Service bulletins for the 2016 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.

721 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
702-132018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. 702-13 Test E Two-Filter Fuel System
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
sbw54552018-06-18. Service bulletin. EQUIPMENT. sbw5455 Virtual Technician Retrofit
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)
0204-17 SPN 52102018-06-18. Service bulletin. ELECTRICAL SYSTEM. 0204-17 SPN 521050 (MCM) (GHG17)
0205-17 SPN 52102018-06-18. Service bulletin. ELECTRICAL SYSTEM. 0205-17 SPN 521052 (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
FL7212018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE. FL721 CNG Fuel Tank and CPDM Mounting Location
ICI17-0022018-06-18. Service bulletin. FUEL SYSTEM, DIESEL. FL721 Interim Recall Ending ? Final Recall to Begin
15TS92018-06-18. Service bulletin. FUEL SYSTEM, DIESEL. 15TS9 Hydrocarbon Doser Block Fuel Compensation Pressure Sensor
324-152018-06-18. Service bulletin. EQUIPMENT. 324-15 External Component Repair
326-152018-06-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; EQUIPMENT:ELECTRICAL. 326-15 Main Shaft Speed Sensor
304-152018-06-18. Service bulletin. EQUIPMENT; ENGINE. 304-15 Diagnostic Tests
303-152018-06-18. Service bulletin. ENGINE. 303-15 Contaminated Fluids
325-152018-06-18. Service bulletin. EQUIPMENT. 325-15 Symptom Diagnosis - ATD Checklist
308-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE. 308-15 Symptom Diagnostics - Oil Present at the Turbocharger Compressor
323-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; EQUIPMENT. 323-15 Symptom Diagnostics ? Noise
306-152018-06-18. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 306-15 SPN 3246 (ACM)(EPA10;GHG14)
307-152018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. 307-15 SPN 3480 (MCM) (EPA07;EPA10;GHG14)
321-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 321-15 SPN 4364 (ACM) (GHG14)
320-152018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 320-15 SPN 4374 (ACM) (GHG14)

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