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Service bulletins for the 2003 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.

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

By type

By component

Bulletins, newest first
15-0152018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15-015 Warranty Exclusions Reminder
15-009 - Detroit2018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15-009_Detroit_New_SDTs
15TL52018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15TL5 DAVCO Shop Pro® FXP 95
15TL42018-03-05. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. 15TL4 W470589050900 ? 3/8? Drive GEN2 Two-Stage Valve Socket
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
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)
709-142018-02-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 709-14 SPN 3216 (MCM) (GHG14)
703-142018-02-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 703-14 SPN 3556 (ACM) (EPA10)
716-142018-02-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 716-14 SPN 4077 (MCM)(EPA07 EPA10;GHG14
704-142018-02-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 704-14 SPN 520200 FMI 6 (IPPC)(GHG14)
705-142018-02-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 705-14 SPN 520203 FMI 6 (IPPC)(GHG14)

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