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Service bulletins for the 2018 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.

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

By type

By component

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
0412-172018-06-11. Service bulletin. EQUIPMENT. SPN 3556 FMI 0, 1, 18 - Regeneration Temperature Update Procedures
0409-172018-06-11. Service bulletin. EQUIPMENT. SPN 1663 (CPC) (EPA07 10 GHG14 GHG17)
42-0102018-06-11. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; PARKING BRAKE:CONVENTIONAL:AIR; SERVICE BRAKES, AIR. Transport Dealer Air Leak Inspection
0527-172018-03-13. Service bulletin. EQUIPMENT:ELECTRICAL. FMI 3,4,5 Digital Output 1 13 Circuit
15CSA102018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15CSA10 The Detroit CSC announcing a new feature ? Ability to attach files to an existing CSC
15CSA92018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15CSA9 Release of DiagnosticLink® 8.02
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
15CSA42018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 15CSA4 Holiday Schedule for the Detroit Customer Support Center
15-0092018-03-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. 15-009 New Detroit Standard Diagnostic Times
14TL52018-02-12. Service bulletin. EQUIPMENT. 14TL5 ABS Power Line Carrier Converter Available Through PDC
702-142018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 702-14 SPN 520230FMI 5 (IPPC)(GHG14)
14-0282018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-028 Remy Extended Coverage Direct File
14-0272018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-027 Detroit's New Consolidated Labor Operations (CLOs
14-0262018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-026-DLR SelecTruck Warranty Enhancements
14-0242018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-024-DLR DTNA & JAD Highlights - Q1 & Q2
14-0232018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-023 Detroit Axles Pre-Approval Changes
14-0222018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14-022 Pre-Approval Threshold Increase From $2,500 to $5,000 USD
16-0112018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 16-011 New Detroit Camshaft Housing Seal Standard Repair Time
16-0102018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Recognition Program Suspension
16-009R2018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 16-009R_OWL Enhancements
16-0082018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. New Detroit Bearing Failure Analysis Standard Diagnostic Time
16-0072018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Canadian Warranty Parts Return Address Change
ICI17-0422018-02-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FL745 - Revised Bulletin

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