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Service bulletins for the 2017 Western Star 4900

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.

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

By type

By component

Bulletins, newest first
1202-152018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1202-15 Symptom Diagnostics - ATD Checklist
1210-142018-03-13. Service bulletin. EQUIPMENT. 1210-14 Cylinder Head
1205-152018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 1205-15 Selective Catalyst Reduction (SCR) Inlet Temperature Sensor
sbw88132018-03-13. Service bulletin. STRUCTURE:BODY:HOOD. Reducing Excessive Hood Opening Effort, 4900 Models
16TL102018-03-13. Service bulletin. ENGINE. Engine Barring Tool W904589046300 Usage on GHG17 Heavy Duty Engines
16TS112018-03-13. Service bulletin. ENGINE AND ENGINE COOLING. GHG17 DD Platform Engines And Coolant Temperature Sensor Codes
0514-162018-03-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Cleaning of the Exhaust Gas Recirculation Venturi Pipe Delta P Sensor Ports
0507-162018-03-13. Service bulletin. ENGINE. FMI 5 Oil Pressure Sensor Stuck High
0502-162018-03-13. Service bulletin. ENGINE. FMI 3 Engine Oil Pressure Sensor Circuit Failed High
0521-162018-03-13. Service bulletin. EQUIPMENT:ELECTRICAL. FMI 3,4,5 Digital Output 1 13 Circuit
0526-162018-03-13. Service bulletin. EQUIPMENT:ELECTRICAL. FMI 3,4,5 Digital Output 3 12 Circuit
0513-162018-03-13. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. FMI 2, 3, 4 Remote Accelerator Pedal Supply Voltage
0510-16 SPN 26232018-03-13. Service bulletin. EQUIPMENT:ELECTRICAL. SPN 2623 (CPC)(GHG17), SPN 2623 (CPC)(GHG14), and SPN 2623 (CPC)(EPA07 EPA10 GHG14)
0532-162018-03-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SPN 524286 (TCM)
0512-162018-03-13. Service bulletin. FUEL SYSTEM, DIESEL. GHG17 Diesel Oxidation Catalyst Face Cleaning
0501-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 84 (MCM & CPC) (GHG17)
0508-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 108 (ACM) (GHG17)
0506-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 168 (ACM) (GHG17)
0517-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 168 (ACM) (GHG17)
0520-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 609 (CPC)(GHG17) and SPN 609 (CPC) (GHG14)
0522-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 709 (CPC)(GHG17)
0523-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 710 (CPC)(GHG17)
0529-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 711 (CPC)(GHG17)
0530-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 712 (CPC)(GHG17)
0531-162018-03-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SPN 714 (CPC)(GHG17)

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