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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
326-152018-03-05. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. 326-15 Main Shaft Speed Sensor
304-152018-03-05. Service bulletin. ENGINE. 304-15 Diagnostic Tests
303-152018-03-05. Service bulletin. FUEL SYSTEM, OTHER; ENGINE. 303-15 Contaminated Fluids
308-152018-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. 308-15 Symptom Diagnostics - Oil Present at the Turbocharger Compressor
323-152018-03-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. 323-15 Symptom Diagnostics ? Noise
302-152018-03-05. Service bulletin. ENGINE; EQUIPMENT. 302-15 Crankshaft Oil Seals
15CSA42018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15CSA4 Holiday Schedule for the Detroit Customer Support Center
15-0102018-03-05. Service bulletin. POWER TRAIN; FUEL SYSTEM, GASOLINE. 15-010-DLR Transmission Cooler Line Photos
15-0092018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. 15-009 New Detroit Standard Diagnostic Times
sbw54612018-03-05. Service bulletin. ELECTRICAL SYSTEM. sbw5461 Guidelines for Repairing or Replacing an Electrical Harness
sbw01162018-03-05. Service bulletin. POWER TRAIN. sbw0116 Pilot Bearing Spacer for Detroit Engines with Eaton transmissions
sbw54302018-03-05. Service bulletin. ELECTRICAL SYSTEM. sbw5430 Disconnecting or Connecting Daytime Running Lights
14TL52018-02-12. Service bulletin. EQUIPMENT. 14TL5 ABS Power Line Carrier Converter Available Through PDC
14TL22018-02-12. Service bulletin. ENGINE. 14TL2 DD Platform Engine Stand Adapter W060589023100
14TS192018-02-12. Service bulletin. FUEL SYSTEM, OTHER. 14TS19 DD Platform High Pressure Fuel Lines
14TS182018-02-12. Service bulletin. ENGINE. 14TS18 GHG14 DD Engine EGR System Fault Code
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
719-142018-02-12. Service bulletin. ELECTRICAL SYSTEM. 719-14 SPN 84 (CPC) (GHG14)
710-142018-02-12. Service bulletin. ELECTRICAL SYSTEM. 710-14 SPN 96 (CPC) (GHG14)
711-142018-02-12. Service bulletin. ELECTRICAL SYSTEM. 711-14 SPN 107 (CPC) (GHG14
701-142018-02-12. Service bulletin. ELECTRICAL SYSTEM. 701-14 SPN 168 FMI 0 and 1 (IPPC)(GHG14
706-142018-02-12. Service bulletin. ELECTRICAL SYSTEM. 706-14 SPN 171 FMI 3, 4 (CPC)(GHG14)

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